CN118304022A - Orthodontic-implant combined vertical inclined tooth grinding device and manufacturing method thereof - Google Patents

Abstract

The invention provides an orthodontic-planting combined vertical inclined molar device and a manufacturing method thereof, relating to the technical field of orthodontic treatment, wherein the device comprises: a first molar orthodontic-implant complex disposed at the first molar position and a molar belt ring-slot tube integrated structure disposed on the second molar; the first molar orthodontic-implant composite comprises an implant temporary crown, a first orthodontic slot tube, a set screw, an implant abutment and an implant, wherein a first groove is formed in the top of the temporary crown, a second groove is formed in the bottom of the temporary crown, the set screw stretches into the first groove, the top of the implant abutment stretches into the second groove, and the bottom of the set screw is connected with the top of the implant abutment; the invention can shorten the clinical treatment time, reduce the treatment cost of patients, increase the comfort level of the patients, reduce the workload of doctors, reduce the surgical risk of the implantation of the anchorage nails and meet the requirements of health, comfort and high-efficiency treatment.

Description

Orthodontic-implantation combined vertical tilting molar device and manufacturing method thereof

Technical Field

The present invention relates to the technical field of orthodontic treatment, and in particular to an orthodontic-implantation combined vertical tilting molar device and a manufacturing method thereof.

Background technique

During oral treatment, due to factors such as unbalanced bite force, alveolar bone remodeling, soft tissue pressure changes, and functional habit changes caused by the loss of the patient's first molar, the second molar will be tilted mesially and/or lingually. Orthodontic-implant combined vertical tilting of the second molar is a conventional treatment design. The most widely used treatment plan is to use orthodontic appliances to vertically tilt the second molars and cooperate with implants to repair the missing first molars, which has the advantages of safety and accuracy. However, this treatment plan still has some disadvantages. Patients often need to use orthodontic fixed appliances to vertically tilt the second molars before they can be referred to the implant department for implant placement. This plan is not conducive to the formulation of the first molar restoration plan by the implant doctor. At the same time, it will prolong the patient's diagnosis and treatment time, increase the patient's diagnosis and treatment costs, and seriously affect the patient's treatment experience. In recent years, the use of anchor pins to vertically tilt the second molar has become more and more common. Although it has many advantages such as high stability and no impact on adjacent teeth, it still has the disadvantages of pain, infection, root damage or hard tissue damage during use.

In recent years, CAD/CAM digital manufacturing and additive manufacturing (3D printing), as emerging representatives of rapid prototyping technology, have gradually been applied to the manufacture of various oral restorations and composite devices. At present, it has become popular in China for dentists or dental technicians to use computer-aided design/computer-aided manufacturing (CAD/CAM) methods to complete the design and manufacture of intraoral restoration devices. However, this type of subtractive manufacturing technology has disadvantages such as material waste, tool wear and insufficient manufacturing accuracy. In addition, it is very easy to introduce microcracks on the surface of the restoration during the milling process, which not only reduces the mechanical properties of the restoration but also affects the aesthetic performance of the restoration.

Therefore, it is necessary to develop an orthodontic-implant combined vertical tilted molar device, which is processed by a composite manufacturing system consisting of oral cone beam CT, dental optical scanning, computer-aided design system (CAD/CAM) and light-curing 3D printer through a digital processing method. In addition, implant treatment after the upright tilted second molar will prolong the patient's diagnosis and treatment time. At the same time, when the second molar is upright and tilted, the edentulous area cannot bear the chewing work, which is not conducive to the patient's daily life and also brings many inconveniences to the implant doctor's diagnosis and treatment plan. Therefore, it is necessary to invent a molar device that can be designed jointly with orthodontics and implants.

Summary of the invention

Based on the above technical problem that the existing technology cannot achieve orthodontic and implant joint design, an orthodontic-implant joint vertical tilting molar device and a manufacturing method thereof are provided. The present invention provides an orthodontic-implant joint vertical tilting molar device, which can more conveniently vertically tilt the second molar, realize the orthodontic-implant joint design, and realize the verticalization of the second molar at the same time as the first molar implant treatment, meet the oral physician's treatment task of quickly repairing missing teeth and tooth tilt, and reduce the implantation of support devices such as support pins, thereby improving the patient's diagnosis and treatment comfort.

The technical means adopted by the present invention are as follows:

An orthodontic-implantation combined vertical tilting molar device, comprising: a first molar orthodontic-implantation complex arranged at a first molar position and a molar band ring-groove tube integrated structure arranged on a second molar;

The first molar orthodontic-implant complex comprises a temporary dental implant crown, a first orthodontic slot tube, a fixing screw, an implant base and an implant, the top of the temporary crown is provided with a first groove, the bottom of the temporary crown is provided with a second groove, the fixing screw extends into the first groove, the top of the implant base extends into the second groove, the bottom of the fixing screw is connected to the top of the implant base, the lower part of the implant base is connected to the upper part of the implant, the lower part of the implant is fixed in the alveolar bone, and the first orthodontic slot tube is provided at the buccal center of the temporary dental implant crown;

The first orthodontic slot tube is connected to the second orthodontic slot tube via a connecting device; the connecting device is used to generate a mechanical force to make the second molar vertical;

The molar band ring-groove tube integrated structure comprises a second molar band ring and a second orthodontic groove tube, the second molar band ring is sleeved on the second molar, and the buccal side of the second molar band ring is provided with a second orthodontic groove tube.

Furthermore, the connecting device is a cherry curve, the mesial end of the cherry curve is a straight arch wire, the distal end of the cherry curve is an arc-shaped arch wire, the mesial end of the cherry curve is connected to the first orthodontic groove tube, and the distal end of the cherry curve is connected to the second orthodontic groove tube; the first orthodontic groove tube, the second orthodontic groove tube and the cherry curve work together to apply vertical mechanical force to the second molar.

Furthermore, the connecting device includes a molar traction hook and an orthodontic elastic ring, the mesial end of the molar traction hook is a straight arch wire, the distal end of the molar traction hook is a hook-shaped arch wire, the mesial end of the molar traction hook is connected to the first orthodontic slot tube, the distal end of the molar traction hook is connected to one end of the orthodontic elastic ring, and the other end of the orthodontic elastic ring is connected to the second orthodontic slot tube; the first orthodontic slot tube, the second orthodontic slot tube, the molar traction hook and the orthodontic elastic ring work together to apply vertical mechanical force to the lingually tilted second molar with the first molar orthodontic-implant complex as support.

Furthermore, the temporary crown of the dental implant is made of zirconium oxide ceramic light-curing 3D printing, the cherry curve is made of metal material, the molar band ring-groove tube integrated structure is made of medical stainless steel metal 3D printing, and the implant base and implant are made of titanium or titanium alloy.

Furthermore, the molar traction hook is made of metal material.

The present invention also provides a method for manufacturing an orthodontic-implant combined vertically inclined molar device, which is used to manufacture any one of the above-mentioned orthodontic-implant combined vertically inclined molar devices, comprising the following steps:

S1, obtaining edentulous area data and intraoral remaining dental medical image data through intraoral scanning and oral CBCT, and evaluating whether the tissue structure of the alveolar bone in the edentulous area, the position and direction of the remaining teeth in the mouth, the tooth condition of the remaining teeth in the mouth and the overall occlusal condition meet the conditions for orthodontic-implant combined treatment based on the edentulous area data and intraoral remaining dental medical image data. If the conditions for orthodontic-implant combined treatment are met, proceed to S2;

S2, intraorally scan the STL data, shoot the DICOM data generated by CBCT, import the STL data and DICOM data into 3shape software for data processing, and generate the patient's digital dentition and maxillary and mandibular alveolar ridge models;

S3. Using denture design software, based on the patient's digital dentition and maxillary alveolar ridge models, designing the implant temporary crown, molar band ring-groove tube integrated structure and molar traction hook according to the implant design of the edentulous area and the degree of molar inclination in the patient's digital dentition and maxillary alveolar ridge models, and obtaining the STL format model of the implant temporary crown, molar band ring-groove tube integrated structure and molar traction hook;

S4, importing the data of the STL format model of the temporary crown of the dental implant, the integrated structure of the molar band ring-groove tube and the molar traction hook into the 3D printing design program for 3D printing; the temporary crown of the dental implant and the molar traction hook are made of zirconium oxide material by 3D light-curing printing, and the integrated structure of the molar band ring-groove tube is made of medical stainless steel by metal 3D printing;

S5, grinding and polishing the temporary crown of the dental implant and the integrated structure of the molar band ring-groove tube obtained in S4, according to the grinding principle from coarse grinding to fine grinding, using different types of grinding heads to grind off excess zirconium oxide and stainless steel, and then polishing with wet and dry cloth wheels;

S6, fix the temporary crown of the dental implant processed in S5 on the implant base by fixing screws, and fix the molar band ring-groove tube integrated structure on the second molar of the patient by bonding;

When the second molar is tilted toward the mesial, the connecting device is a cherry curve, and the mesial end and the distal end of the cherry curve are respectively inserted into the first orthodontic slot tube and the second orthodontic slot tube to obtain an orthodontic-implantation combined vertical tilted molar device;

When the second molar is tilted vertically and lingually, the connecting device is a molar traction hook and an orthodontic elastic ring. The straight end of the molar traction hook is inserted into the first orthodontic slot tube, the distal end of the molar traction hook is hung with an orthodontic elastic ring and connected to the slot tube of the temporary crown of the implant, thereby obtaining an orthodontic-implant combined vertical tilted molar device.

Compared with the prior art, the present invention has the following advantages:

First of all, the orthodontic-implant combined vertical tilted molar device moves teeth with the support of implants. Using implants as support, it can stably pull and move vertically tilted teeth, effectively increasing the success rate and stability of treatment. In addition, the orthodontic-implant combined device can be personalized and set according to the specific situation of the patient to maximize the patient's treatment needs and expectations. From the overall perspective of treatment design, the orthodontic-implant combined device can simultaneously perform missing tooth repair and tooth movement during the orthodontic process, thereby improving the stability of teeth and the overall treatment effect. On the basis of restoring a certain chewing function, it reduces the patient's diagnosis and treatment time and increases the patient's comfort. At the same time, orthodontists can also bend functional curves such as cherry curves that can tilt the second molar upright as needed. Cherry curves are elastic devices used in orthodontic treatment that can provide additional traction to help move teeth, especially vertically tilted teeth. When vertically tilting molars with lingual tilt, a molar traction hook is required, which can be conveniently fixed on the molar to provide a stable force for guiding and moving teeth. And the position of the molar traction hook can be precisely adjusted to achieve the best tooth movement and correction effect.

The present invention uses digital intraoral scanning and oral CBCT technology to obtain an oral three-dimensional model and uses 3shape design software to design a personalized restoration, thereby improving the accuracy and production efficiency of the restoration model and simplifying the design process. Through digital design and light-curing 3D printing technology, the precise manufacturing of the orthodontic-implant combined vertical tilted molar device is achieved, avoiding the errors of physical impression making and manual operation. Light-curing 3D printing technology ensures the accuracy of the device components and the economic convenience of complex structure manufacturing. This method shortens the production cycle of traditional complex oral restorations, improves the quality and stability of the restorations, realizes fast, accurate and personalized production, and better meets the personalized aesthetic needs of patients. At the same time, preoperative digital CAD/CAM design can shorten the chairside time, improve clinical operation efficiency, and also increase the comfort of patients' visits. The present invention helps to achieve large-scale and low-cost production of orthodontic-implant combined vertical tilted molar devices, and has important social benefits for the field of oral restoration manufacturing and related patients.

The utility model can provide more stable and effective tooth movement and correction, while the cherry curve and molar traction hook can further enhance the treatment effect and help solve specific tooth tilt problems. The utility model can reduce the workload of doctors while shortening clinical treatment time, reducing patient treatment costs, and increasing patient comfort, and reduce the surgical risks of anchor pin implantation, meeting the requirements of healthy, comfortable and efficient treatment.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG. 1 is a side view of the device of the present invention.

FIG. 2 is a top view of the device of the present invention.

FIG. 3 is a combined view of the first molar orthodontic-implant complex of the present invention.

FIG. 4 is an exploded view of the first molar orthodontic-implant complex of the present invention.

FIG. 5 is a top view of the lingually inclined molars pulled by the present invention.

FIG6 is a flow chart of the method of the invention.

In the figure: 101, temporary crown of dental implant; 102, first orthodontic groove tube; 103, first molar orthodontic-implant complex; 104, cherry curve; 105, molar band ring-groove tube integrated structure; 106, fixing screw; 107, molar traction hook; 108, orthodontic elastic ring; 201, implant abutment; 202, implant; 301, second premolar; 302, second molar tilted toward the mesial direction; 303, second molar tilted toward the vertical lingual direction.

Detailed ways

It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and/or combinations thereof.

Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values do not limit the scope of the present invention. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

Additive manufacturing technology (commonly known as 3D printing) is an advanced manufacturing method that manufactures parts by adding materials layer by layer. Compared with subtractive manufacturing, 3D printing is not limited by the complexity of the shape and can construct almost any geometric feature parts, which is especially suitable for the manufacture of personalized medical products. Compared with traditional 3D printing, light-curing 3D printing technology has more practical advantages. Its printing preparation time is short, energy is saved, the amount of consumables added is far less than other equipment, and it can quickly manufacture more delicate parts. Light-curing 3D printing technology can meet the basic requirements of accurate, personalized and complex structure construction in oral restoration, and is favored by clinical physicians in the field of oral restoration such as zirconia all-ceramic crowns, removable dentures and personalized implants. In summary, the use of digital design and light-curing 3D printing manufacturing technology in the design and manufacture of orthodontic-implant combined vertical tilted molar devices can greatly improve the accuracy of the device, further simplify the manufacturing process, save clinical operation time and cost, and efficiently produce complex spatial structure designs that are difficult to achieve by existing means.

As shown in FIGS. 1-5 , the present invention provides an orthodontic-implantation combined vertical tilting molar device, comprising:

A first molar orthodontic-implantation complex 103 disposed at the first molar position and a molar band ring-groove tube integrated structure 105 disposed on the second molar;

The first molar orthodontic-implant complex 103 comprises a temporary dental implant crown 101, a first orthodontic slot tube 102, a fixing screw 106, an implant base 201 and an implant 202, the top of the temporary crown is provided with a first groove, the bottom of the temporary crown is provided with a second groove, the fixing screw 106 extends into the first groove, the top of the implant base 201 extends into the second groove, the bottom of the fixing screw 106 is connected to the top of the implant base 201, the lower part of the implant base 201 is connected to the upper part of the implant 202, the lower part of the implant 202 is fixed in the alveolar bone, and the first orthodontic slot tube 102 is provided at the buccal center of the temporary dental implant crown 101;

The first orthodontic slot tube 102 is connected to the second orthodontic slot tube via a connecting device; the connecting device is used to generate a mechanical force to make the second molar vertical;

The molar band ring-groove tube integrated structure 105 includes a second molar band ring and a second orthodontic groove tube, wherein the second molar band ring is sleeved on the second molar, and a second orthodontic groove tube is arranged on the buccal side of the second molar band ring. The molar band ring-groove tube integrated structure 105 is made of a second molar band ring and a groove tube in one piece, wherein the second molar band ring is arranged on the second molar of the patient, and the groove tube is arranged at the buccal center of the second molar band ring to load the cherry curve 104 or the orthodontic elastic ring 108.

When the second molar is a second molar 302 tilted toward the mesial, the connecting device is a cherry curve 104, the mesial end of the cherry curve 104 is connected to the first orthodontic groove tube 102, and the distal end of the cherry curve 104 is connected to the second orthodontic groove tube; the first orthodontic groove tube 102, the second orthodontic groove tube and the cherry curve 104 work together to apply a vertical mechanical force to the second molar. The orthodontic cherry curve 104 is made of stainless steel wire, the mesial side of the cherry curve 104 (close to the second premolar side) is used to connect the groove tube of the temporary crown-groove tube integrated structure, and the distal side of the cherry curve 104 (close to the second molar side) is used to connect the groove tube of the ring-groove tube integrated structure 105.

When the second molar is a second molar 303 tilted vertically and lingually, the connecting device includes a molar traction hook 107 and an orthodontic elastic ring 108, the straight end of the molar traction hook 107 is connected to the first orthodontic groove tube 102, the hook end of the molar traction hook 107 is connected to one end of the orthodontic elastic ring 108, and the other end of the orthodontic elastic ring 108 is connected to the second orthodontic groove tube; the first orthodontic groove tube 102, the second orthodontic groove tube, the molar traction hook 107 and the orthodontic elastic ring 108 work together to apply vertical mechanical force to the second molar tilted lingually with the first molar orthodontic-implant complex 103 as support. The straight end of the molar traction hook 107 is used to connect the groove tube of the temporary crown 101 of the implant, and the hook end of the molar traction hook 107 is used to place the orthodontic elastic ring 108. The orthodontic elastic ring 108 is connected to the groove tube of the molar band ring-groove tube integrated structure 105, and the second molar tilted lingually is pulled by the rebound force after the orthodontic elastic ring 108 is stretched. The orthodontic elastic ring 108 is an auxiliary force-adding tool that can connect the hook end of the molar traction hook 107 and the groove tube of the molar band ring-groove tube integrated structure 105 to provide a corresponding rebound force to pull the second molar tilted lingually to move toward the buccal side.

As shown in FIG6 , the present invention further provides a method for manufacturing an orthodontic-implant combined vertically inclined molar device, which is used to manufacture an orthodontic-implant combined vertically inclined molar device, comprising the following steps:

S1, obtaining edentulous area data and intraoral remaining dental medical image data through intraoral scanning and oral CBCT, and evaluating whether the tissue structure of the alveolar bone in the edentulous area, the position and direction of the remaining teeth in the mouth, the tooth condition of the remaining teeth in the mouth and the overall occlusal condition meet the conditions for orthodontic-implant combined treatment based on the edentulous area data and intraoral remaining dental medical image data. If the conditions for orthodontic-implant combined treatment are met, proceed to S2;

S2, intraorally scan the STL data, shoot the DICOM data generated by CBCT, import the STL data and DICOM data into 3shape software for data processing, and generate the patient's digital dentition and maxillary and mandibular alveolar ridge models;

S3. Using denture design software, based on the patient's digital dentition and maxillary alveolar ridge models, according to the implant design of the edentulous area and the degree of molar inclination in the patient's digital dentition and maxillary alveolar ridge models, design the implant temporary crown 101, the molar band ring-groove tube integrated structure 105 and the molar traction hook 107, and obtain STL format models of the implant temporary crown 101, the molar band ring-groove tube integrated structure 105 and the molar traction hook 107;

S4, importing the data of the STL format model of the implant temporary crown 101, the molar band ring-groove tube integrated structure 105 and the molar traction hook 107 into the 3D printing design program for 3D printing; the implant temporary crown 101 and the molar traction hook 107 are made of zirconium oxide material by 3D light-curing printing, and the molar band ring-groove tube integrated structure 105 is made of medical stainless steel by metal 3D printing;

S5, grinding and polishing the temporary dental implant crown 101 and the molar band ring-groove tube integrated structure 105 obtained in S4, according to the grinding principle from coarse grinding to fine grinding, using different types of grinding heads to grind away excess zirconium oxide and stainless steel, and then polishing with wet and dry cloth wheels;

S6, fix the temporary dental implant crown 101 processed in S5 on the implant base 201 by means of fixing screws 106, and fix the molar band ring-groove tube integrated structure 105 on the second molar of the patient by means of bonding;

When the second molar is a second molar 302 tilted toward the mesial, the connecting device is a cherry curve 104, and the mesial end and the distal end of the cherry curve 104 are respectively inserted into the first orthodontic slot tube 102 and the second orthodontic slot tube to obtain an orthodontic-implantation combined vertical tilted molar device;

When the second molar is a second molar 303 tilted vertically and lingually, the connecting device is a molar traction hook 107 and an orthodontic elastic ring 108. The straight end of the molar traction hook 107 is inserted into the first orthodontic groove tube 102, and the curved hook end of the molar traction hook 107 is hung with the orthodontic elastic ring 108 and connected to the groove tube of the implant temporary crown 101 to obtain an orthodontic-implant combined vertically tilted molar device.

Example 1

In this embodiment, the temporary crown 101 of the implant is made of zirconium oxide ceramic light-curing 3D printing, the cherry curve 104 and the fixing screw 106 are made of metal materials, the molar band ring-groove tube integrated structure 105 is made of medical stainless steel metal 3D printing, and the implant base 201 and the implant 202 are made of titanium or titanium alloy. The overall structure does not have complex springs and other connection structures, and is easy to install and connect, the installation process is fast, the structure is simple, and the support effect is enhanced, and the molar state is maintained for a longer time.

The side view of the orthodontic-implant combined vertical mesial tilted molar device is shown in Figure 1. The side view is the side of the anatomical teeth from the incisor to the second molar. The implant temporary crown 101, the implant abutment 201, and the implant 202 are combined into the first molar orthodontic-implant complex 103. The first molar orthodontic-implant complex 103 is located distal to the patient's second premolar 301. There is an orthodontic groove tube 102 in the center of the buccal clinical crown of the temporary crown, which is a 1.4mm wide and 3.0mm long archwire groove tube protrusion. The top and bottom of the implant temporary crown 101 are respectively grooved. The top groove is used to place the fixing screw 106, and the bottom groove is used to place the implant abutment 201. When the fixing screw 106 is tightened, the first molar orthodontic-implant complex 103 is tightly connected together. The first molar orthodontic-implant complex 103 has the function of repairing the loss of the first molar and serving as an anchor device for the second molar 302 tilted mesially. The cherry curve 104 is manually bent by an orthodontic doctor using a stainless steel archwire for orthodontics, and its arc-shaped distal part is closely attached to the mesial side of the groove tube of the molar band ring-groove tube integrated structure 105, so as to generate mechanical force to vertically straighten the patient's second molar 302 tilted toward the mesial side. In the working state, the mesial end of the cherry curve 104 can be inserted into the groove tube 102 of the first molar orthodontic-implant complex 103, and its distal side can be inserted into the groove tube of the molar band ring-groove tube integrated structure 105. The three can be integrated to apply a vertical mechanical force to the second molar 302 tilted toward the mesial side. The molar band ring-groove tube integrated structure 105 is completed by integrating the second molar band ring and the groove tube. The second molar band ring is designed according to the morphological characteristics of the patient's second molar so that the second molar band ring is tightly attached to and firmly fixed to the patient's second molar. The groove tube is placed on the buccal side of the second molar band ring to place the cherry curve 104 distal stainless steel arch wire. The cherry curve 104 generates orthodontic mechanical force on the patient's mesial tilted second molar 302 through the groove tube, thereby vertically straightening the patient's mesial tilted second molar 302.

Example 2

In this embodiment, the temporary crown 101 of the implant and the molar traction hook 107 are made of zirconium oxide ceramic light-curing 3D printing, the molar band ring-groove tube integrated structure 105 is made of medical stainless steel metal 3D printing, the fixing screw 106 is made of metal material, the orthodontic rubber ring 108 is made of medical elastic rubber, and the implant base 201 and the implant 202 are made of titanium or titanium alloy. The combination mode and function of the first molar orthodontic-implant complex 103 and the molar band ring-groove tube integrated structure 105 are the same as those in Example 1. The molar traction hook 107 is made of zirconium oxide material light-curing 3D printing, and the curved hook end of the molar traction hook 107 is designed to be at the same horizontal position as the groove tube of the molar band ring-groove tube integrated structure 105. In the working state, the straight end of the molar traction hook 107 can be inserted into the first orthodontic groove tube 102 of the first molar orthodontic-implant complex 103, and the orthodontic elastic ring 108 connects the hook end of the molar traction hook 107 with the groove tube of the molar band ring-groove tube integrated structure 105. The three are integrated to use the first molar orthodontic-implant complex 103 as support to apply a vertical mechanical force to the second molar 303 that is tilted vertically and lingually. The force value and parameters of the orthodontic elastic ring 108 are selected according to the experience and judgment of the orthodontist.

Example 3

S1. Obtain the edentulous area data and the remaining dental medical image data in the mouth through intraoral scanning and oral CBCT, and evaluate whether the tissue structure of the alveolar bone in the edentulous area, the position and direction of the remaining teeth in the mouth, the tooth condition of the remaining teeth in the mouth, and the occlusal condition of the opposing jaws meet the conditions for orthodontic-implant combined treatment. Among them, the case standards that meet the use of the device are: the patient's general health status meets the implant requirements, the health status of the periodontal soft tissue in the edentulous area and the bone volume and quality of the alveolar bone meet the implant requirements, the gap in the edentulous area is sufficient to accommodate the operation of the implant surgery, the inclined molars have no tooth periodontal tissue diseases and the inclination can accommodate the placement of the integrated structure of the molar band ring and the groove tube.

S2, intraoral scanning STL data, DICOM data generated by CBCT,

The image data of the former was imported into 3shape software for data processing to generate a digital dentition and maxillary and mandibular alveolar ridge model consistent with the patient's oral edentulous situation.

S3. Use CAD/CAM auxiliary system to complete the configuration design and production of oral restorations. This includes using denture design software, based on 3shape software data, designing the temporary crown-slot tube integrated structure and the molar band ring-slot tube integrated structure according to the implant design of the edentulous area and the degree of molar inclination. The completed three-dimensional data model output format is STL format. Among them: 1. Based on the soft and hard tissue structure of the edentulous area and the edentulous gap model, simulate the implant data and abutment installation data, and then design the implant temporary crown (including the slot tube) according to the abutment position.

Based on the position of the tilted molars and the tooth morphology, an integrated molar band-ring-slot-tube structure (including the slot tube) is designed to match the molar crown. The thickness, angle, gap amount and other variables are adjusted through software to ensure correct fit and occlusion.

After the modeling of the temporary crown-slot tube integrated structure and the molar band ring-slot tube integrated structure is completed, it is converted into STL format for output. Before printing, CAD/CAM technology is needed to adjust the precision required for the precise combination of each component.

S4. Import the STL format model data of the temporary crown-groove tube integrated structure and the molar band ring-groove tube integrated structure into the 3D printing design program to perform light-curing 3D printing and medical stainless steel metal 3D printing.

Wherein: the light-curing 3D printing device adopts a DLP light-curing 3D printer, and the printing material is zirconium oxide. The printed orthodontic slot tube 102 is a 1.4mm wide and 3.0mm long archwire slot tube protrusion, located at the clinical crown center of the temporary crown-slot tube integrated structure and the buccal center of the molar band ring-slot tube integrated structure. The printed molar band ring has a width of 3.0mm and a thickness of 0.45mm. The printing parameters of the straight end of the molar traction hook 107 match the orthodontic slot tube 102.

S5. Grind and polish the temporary crown-groove tube integrated structure and the molar band ring-groove tube integrated structure printed by the 3D printer. According to the grinding principle from coarse grinding to fine grinding, different types of grinding heads are used in turn to grind away excess zirconium oxide and medical stainless steel, and then polish with wet and dry cloth wheels.

S6. Fix the temporary crown-slot tube integrated structure to the implant base by fixing screws. Fix the molar band ring-slot tube integrated structure to the patient's second molar by bonding. Insert the mesial and distal ends of the prepared cherry curve into the slot tubes of the temporary crown-slot tube integrated structure and the molar band ring-slot tube integrated structure to obtain an orthodontic-implant combined vertical mesial tilted molar device. In addition, if it is a vertically lingually tilted second molar, a molar traction hook should be used instead of the cherry curve, and the straight end of the molar traction hook is inserted into the slot tube of the temporary crown-slot tube integrated structure. An orthodontic rubber ring is placed on the curved hook end of the molar traction hook and the slot tube of the temporary crown-slot tube integrated structure is connected to obtain an orthodontic-implant combined vertical lingual tilted molar device.

The cherry curve is formed by orthodontic doctors using special orthodontic pliers to bend orthodontic stainless steel wire according to the position and tooth shape of the tilted molar. The mesial end of the cherry curve can be inserted into the groove tube of the first molar orthodontic-implant complex, and its distal side can be inserted into the groove tube of the molar band ring-groove tube integrated structure. The distal side of the arc-shaped part of the cherry curve is close to the mesial groove tube of the molar band ring-groove tube integrated structure for applying mechanical force.

The present invention combines the orthodontic groove tube with the crown in the second stage of implantation, which helps to straighten the tilted second molars in the second stage of implantation, shortens the consultation time, and is helpful for orthodontic and implant doctors to make plans. The present invention has a simple structure, and the appearance after 3D printing and grinding and polishing does not compress the surrounding soft tissues. It is comfortable for patients to wear and easy to maintain oral hygiene. It can also replace the use of support pins, avoiding clinical problems such as occlusal interference caused by the implantation of support pins, stimulation of soft tissues, and failure to elongate molars when they are upright.

The invention is to make up for the shortcomings of the traditional orthodontic treatment of the second molars, such as long diagnosis and treatment time and low chewing efficiency of patients. It is convenient for doctors to formulate detailed diagnosis and treatment plans. It makes the orthodontic treatment process more convenient, with higher technical content, shortens the patient's consultation time, and truly achieves the ultimate goal of making orthodontics more professional and making patients more satisfied.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. An orthodontic-implantation combined vertical tilting molar device, characterized in that it comprises: A first molar orthodontic-implantation complex (103) arranged at the first molar position and a molar band ring-groove tube integrated structure (105) arranged on the second molar; The first molar orthodontic-implant complex (103) comprises a temporary dental implant crown (101), a first orthodontic groove tube (102), a fixing screw (106), an implant base (201) and an implant (202), wherein the top of the temporary crown is provided with a first groove, the bottom of the temporary crown is provided with a second groove, the fixing screw (106) extends into the first groove, the top of the implant base (201) extends into the second groove, the bottom of the fixing screw (106) is connected to the top of the implant base (201), the lower part of the implant base (201) is connected to the upper part of the implant (202), the lower part of the implant (202) is fixed in the alveolar bone, and the first orthodontic groove tube (102) is provided at the buccal center of the temporary dental implant crown (101); The first orthodontic groove tube (102) is connected to the second orthodontic groove tube via a connecting device; the connecting device is used to generate a mechanical force to make the second molar vertical; The molar band ring-groove tube integrated structure (105) comprises a second molar band ring and a second orthodontic groove tube, wherein the second molar band ring is sleeved on the second molar, and the buccal side of the second molar band ring is provided with a second orthodontic groove tube. 2. The orthodontic-implant combined vertical tilted molar device according to claim 1 is characterized in that the connecting device is a cherry curve (104), the mesial end of the cherry curve (104) is connected to the first orthodontic groove tube (102), and the distal end of the cherry curve (104) is connected to the second orthodontic groove tube; the first orthodontic groove tube (102), the second orthodontic groove tube and the cherry curve (104) work together to apply vertical mechanical force to the second molar. 3. The orthodontic-implant combined vertically tilted molar device according to claim 1 is characterized in that the connecting device comprises a molar traction hook (107) and an orthodontic elastic ring (108), the mesial end of the molar traction hook (107) is connected to the first orthodontic groove tube (102), the distal end of the molar traction hook (107) is connected to one end of the orthodontic elastic ring (108), and the other end of the orthodontic elastic ring (108) is connected to the second orthodontic groove tube; the first orthodontic groove tube (102), the second orthodontic groove tube, the molar traction hook (107) and the orthodontic elastic ring (108) work together to apply vertical mechanical force to the lingually tilted second molar with the first molar orthodontic-implant complex (103) as support. 4. The orthodontic-implant combined vertical tilted molar device according to claim 2 is characterized in that the temporary implant crown (101) is made of zirconium oxide ceramic light-curing 3D printing, the cherry curve (104) is made of metal material, the molar band ring-groove tube integrated structure (105) is made of medical stainless steel metal 3D printing, and the implant base (201) and the implant (202) are made of titanium or titanium alloy. 5. The orthodontic-implantation combined vertical tilting molar device according to claim 3, characterized in that the molar traction hook (107) is made of metal material. 6. A method for manufacturing an orthodontic-implant combined vertically inclined molar device, for manufacturing the orthodontic-implant combined vertically inclined molar device according to any one of claims 1 to 5, characterized in that it comprises the following steps: S1, obtaining edentulous area data and intraoral remaining dental medical image data through intraoral scanning and oral CBCT, and evaluating whether the tissue structure of the alveolar bone in the edentulous area, the position and direction of the remaining teeth in the mouth, the tooth condition of the remaining teeth in the mouth and the overall occlusal condition meet the conditions for orthodontic-implant combined treatment based on the edentulous area data and intraoral remaining dental medical image data. If the conditions for orthodontic-implant combined treatment are met, proceed to S2; S2, intraorally scan the STL data, shoot the DICOM data generated by CBCT, import the STL data and DICOM data into 3shape software for data processing, and generate the patient's digital dentition and maxillary and mandibular alveolar ridge models; S3. Using denture design software, based on the patient's digital dentition and maxillary alveolar ridge models, according to the implant design of the edentulous area and the degree of molar inclination in the patient's digital dentition and maxillary alveolar ridge models, design a temporary implant crown (101), a molar band ring-groove tube integrated structure (105) and a molar traction hook (107), and obtain an STL format model of the temporary implant crown (101), the molar band ring-groove tube integrated structure (105) and the molar traction hook (107); S4, importing the data of the STL format model of the implant temporary crown (101), the molar band ring-groove tube integrated structure (105) and the molar traction hook (107) into a 3D printing design program for 3D printing; the implant temporary crown (101) and the molar traction hook (107) are made of zirconium oxide material by 3D light-curing printing, and the molar band ring-groove tube integrated structure (105) is made of medical stainless steel by metal 3D printing; S5, grinding and polishing the temporary crown of the dental implant (101) and the integrated structure of the molar band ring-groove tube (105) obtained in S4, according to the grinding principle from coarse grinding to fine grinding, using different types of grinding heads to grind away excess zirconium oxide and stainless steel, and then polishing with wet and dry cloth wheels; S6, fixing the temporary dental implant crown (101) processed in S5 on the implant base (201) by means of fixing screws (106), and fixing the molar band ring-groove tube integrated structure (105) on the second molar of the patient by means of bonding; When the second molar is a second molar (302) that is tilted toward the mesial, the connecting device is a cherry curve (104), and the mesial end and the distal end of the cherry curve (104) are respectively inserted into the first orthodontic groove tube (102) and the second orthodontic groove tube to obtain an orthodontic-implantation combined vertical tilted molar device; When the second molar is a second molar (303) that is tilted vertically and lingually, the connecting device is a molar traction hook (107) and an orthodontic rubber ring (108). The straight end of the molar traction hook (107) is inserted into the first orthodontic groove tube (102), and the orthodontic rubber ring (108) is hung on the distal end of the molar traction hook (107) and connected to the groove tube of the implant temporary crown (101), thereby obtaining an orthodontic-implant combined vertical tilted molar device.