CN115177383B - Digital full-mouth tooth arrangement method - Google Patents
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
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Abstract
The invention provides a digital full-mouth tooth arrangement method, which belongs to the technical field of oral clinical orthodontic and comprises the steps of obtaining three-dimensional data information of dentition in an oral cavity of a patient before treatment, creating order information based on 3SHAPE software, importing the obtained three-dimensional data information of dentition into the 3SHAPE software, carrying out digital full-mouth tooth arrangement based on the 3SHAPE software, finally obtaining an ideal three-dimensional data arrangement sequence, and finally manufacturing a finished removable denture for the patient through traditional embedding glue; according to the invention, the relation reference of the facial structure and the actual condition of the oral cavity of a patient is added in the tooth arrangement flow, so that doctors or technicians can refer to the whole beauty of the face, the lips and the interior of the oral cavity in tooth arrangement, tooth arrangement is improved, the optimal tooth arrangement relation is finally achieved by optimizing a treatment scheme, the tooth arrangement simulation flow is simplified, the latest tooth arrangement simulation technology is combined, a systematic flow is formed, and the method is suitable for large-scale popularization and use, and the treatment requirement and the accurate medical requirement are met.
Description
Technical Field
The invention relates to the technical field of oral clinical orthodontics, in particular to a digital full-mouth tooth arrangement method.
Background
Oral disease is a common multiple disorder. Malocclusions have been counted by the world health organization as one of three major oral diseases (caries, periodontal disease and malocclusions). The dental deformity has great influence on oral health, oral function, development and appearance of maxillofacial skeleton. Orthodontics has been considered an indispensable important part in oral care treatments. With the improvement of life quality, people pay more and more attention to the attractive appearance of teeth, the tooth orthodontic treatment technology is gradually accepted by people, and the traditional orthodontic treatment mainly depends on the experience of doctors to formulate an orthodontic treatment scheme. The manual tooth placement experiment may help the orthodontist predict the course of treatment involved in orthodontic treatment and inform the patient of the tooth movements and final treatment effects that may be involved before the treatment regimen is determined. The main drawbacks of the manual tooth arrangement procedure are the inefficiency and the consumption of a large amount of material. The manual tooth arrangement step mainly comprises the following steps: (1) manufacturing a dental plaster model; (2) cutting the teeth involved on a plaster model base; (3) repositioning the tooth to be moved; and (4) fixing by using wax.
With the rapid development of computer images, CAD/CAM technology is widely used in a variety of fields, including dental applications. More and more dental technologists use digital tools to design and simulate medical equipment and processes in clinical treatment, and dental orthodontic treatment by means of a computer gradually becomes a hot spot in the orthodontic community. Tooth alignment plays a very important role in virtual orthodontic systems.
In recent years, the Chinese dental industry is developing at a high speed, the traditional treatment in the impression of people starts to change to the digital age, the change is rooting and sprouting in the Chinese dental industry, and with the continuous updating and rushing in of new materials and new equipment, the digital age has drawn a new prologue of the dental civilization age. The correct use of the intraoral scanner as the core device for the digitization solution brings efficient, accurate and comfortable service to the vast majority of users.
Compared with manual tooth arrangement, the virtual tooth arrangement does not need to carry out segmentation treatment on the gypsum model, meanwhile, the tooth arrangement process is driven based on characteristic constraint, independent operation on each tooth is not needed, the degree of automation is high, and the tooth arrangement efficiency is improved. The position relation between the tooth root and the alveolar bone is integrated into the design of an algorithm, and the information of the tooth crown and the tooth root is comprehensively considered, so that a more reasonable and accurate treatment scheme can be designed, the situation that the tooth root protrudes out of the alveolar bone is prevented, and the situation can be prevented from occurring in the tooth growth process.
Currently, the existing orthodontic tooth arrangement is basically based on the scanning data of the dental crowns of patients, or the scanning in a straight interface or the scanning of a plaster model turned by the patients, and then the digital tooth arrangement is carried out according to the dental crowns. The current digital tooth arrangement based on 3SHAPE software is not combined with the latest tooth arrangement simulation technology, the current digital tooth arrangement technology still depends on the individual tooth arrangement level, so that the efficiency is lower than that of manual tooth arrangement in a certain sense, the manual culture cost is higher, the automation degree is low, and the universal popularization cannot be realized; the existing digital tooth arrangement is insufficient in precision on the technical problems of occlusal surfaces and the like, and the output effect of a finished product is poor, so that the finished product is not suitable for patients to wear, and the requirements of treatment and accurate medical treatment are not met.
Disclosure of Invention
In view of the above, the invention provides a digital full-mouth tooth arrangement method, which adds relation references of the facial structure and the actual condition of the oral cavity of a patient in a tooth arrangement process, so that doctors or technicians can refer to the whole beauty of the face, the lips and the interior of the oral cavity during tooth arrangement, thereby improving tooth arrangement, optimizing a treatment scheme to finally achieve the optimal tooth arrangement relation, simplifying a tooth arrangement simulation process, combining the latest tooth arrangement simulation technology to form a systematic process, being suitable for large-scale popularization and use, and meeting the requirements of treatment and accurate medical treatment.
In order to solve the technical problems, the invention provides a digital full-mouth tooth arrangement method, which comprises the following steps:
S1, acquiring three-dimensional data characteristic information of dentition in an oral cavity of a patient before treatment;
S2, creating information based on 3SHAPE software, and importing the obtained dentition three-dimensional data information into the 3SHAPE software;
S3, determining characteristic points of the upper jaw model and the lower jaw model, namely generating auxiliary constraint conditions of tooth arrangement, based on 3SHAPE software through imported dentition three-dimensional data information;
S4, based on 3SHAPE software, using a pre-imported dental database to conduct dental arch arrangement, then conducting fine adjustment and beautification according to characteristic points of the upper jaw model and the lower jaw model, and finally obtaining dental information conforming to oral cavity characteristics and facial characteristics.
Adopting the technical scheme, carrying out digital full mouth tooth arrangement based on 3SHAPE software, finally obtaining an ideal three-dimensional data arrangement sequence, and finally manufacturing a finished product removable denture for a patient to use through traditional embedding glue; the relation reference of the facial structure and the actual condition of the oral cavity of a patient is added in the tooth arrangement flow, so that a doctor or technician can refer to the whole beauty of the face, the lips and the interior of the oral cavity when arranging teeth, the tooth arrangement effect is improved, and the optimal tooth arrangement relation is finally achieved by optimizing the treatment scheme.
Further, when three-dimensional data information of dentition in the oral cavity of a patient before treatment is acquired, the data is acquired by a mode of digital model scanning by using a plaster model cast by impression materials in the oral cavity of the patient.
Further, when three-dimensional data information of dentition in the oral cavity of a patient before treatment is acquired, the three-dimensional data information is acquired by a digital intraoral scanning mode.
Further, when the obtained three-dimensional data information of dentition is imported into 3SHAPE software, corresponding dentition needed to manufacture denture base is created in order detail information, and denture and base are selected and imported into three-dimensional data information of dentition in the mouth of a patient, namely scanning data and wax dykes.
Further, in S3, the step of determining the feature points of the upper jaw model and the lower jaw model is as follows:
s31, determining the occlusal plane and the midline of a patient through the left, right and middle three points of the wax dike based on a design module in 3SHAPE software, and marking the anatomical form of the maxillary model and the anatomical form of the mandibular model after the occlusal plane and the midline of the patient;
s32, marking the base boundaries of the upper jaw model and the lower jaw model based on a model analysis module in 3SHAPE software so as to determine the edge length;
S33, based on the observation and inverted concave filling module in the 3SHAPE software, the positioning direction is adjusted by moving the view angle so as to reduce the size of an inverted concave area, and positioning smoothness and stability are ensured;
S34, fine adjustment is carried out on scanned model data through a brush based on a wax-type trimming module in 3SHAPE software.
Further, in S31, the anatomical form of the upper jaw model includes a maxillary nodule, an incisor mastoid, and a cuspid point, and the anatomical form of the lower jaw model includes a post-molar pad, a central ridge point, and a cuspid point.
By adopting the technical scheme, the data support is realized in the tooth arrangement process by determining the anatomical form of the upper jaw model and the anatomical form of the lower jaw model of the occlusal plane and the posterior midline mark of the patient according to the imported dentition three-dimensional data information, so that the position of the target tooth is more accurate and no error occurs.
Further, in S4, the steps of performing arch arrangement using the pre-imported dental database, and then performing fine tuning and beautification according to the feature points of the upper jaw model and the lower jaw model are as follows:
S41, performing dental arch arrangement by using a pre-imported dental database based on an FD initial setting module in 3SHAPE software, and performing fine adjustment in the upper and lower jaw base options based on different model conditions and design standards;
s42, freely modeling the whole denture base based on the carved denture base module in the 3SHAPE software;
s43, defining the type of the denture base based on the engraved denture base module in the 3SHAPE software, and performing final data verification on the denture base to determine final data.
Further, in S41, fine tuning is specifically performed on the thickness of the base, cushioning, and aesthetic effect of gums when fine tuning is performed based on different model conditions and design criteria in the maxillary and mandibular base options.
Further, after final data are determined, the final data are automatically stored through 3SHAPE software, and a prosthesis is designed so that subsequent cutting printing is facilitated.
By adopting the technical scheme, the practicality and rationality of the tooth arrangement of the prosthesis are ensured, the target dentition is finally generated, and the method is simple, so that a doctor and a patient can know the final treatment result in advance, and the doctor can control the final form of the orthodontic dentition.
The technical scheme of the invention has the following beneficial effects:
1. The invention adopts a digital full-mouth tooth arrangement mode, which comprises the steps of obtaining three-dimensional data information of dentition in the oral cavity of a patient before treatment, creating information based on 3SHAPE software, importing the obtained three-dimensional data information of dentition into the 3SHAPE software, carrying out digital full-mouth tooth arrangement based on the 3SHAPE software, finally obtaining an ideal three-dimensional data arrangement sequence, and finally manufacturing a finished product removable denture for the patient through traditional embedding and filling; the relation reference of the facial structure and the actual condition of the oral cavity of a patient is added in the tooth arrangement flow, so that a doctor or technician can refer to the whole beauty of the face, the lips and the interior of the oral cavity when arranging teeth, the tooth arrangement effect is improved, and the optimal tooth arrangement relation is finally achieved by optimizing the treatment scheme.
2. The digital full-mouth tooth arrangement mode is based on 3SHAPE software, is simple and easy to understand, reduces the difficulty of operators, is more rigorous and accurate in process, improves working efficiency, and finally generates target dentition, and is simple in method, so that doctors and patients can know the final treatment result in advance, and the doctors can control the final form of orthodontic correction dentition.
3. The invention adopts the digital full-mouth tooth arrangement mode, utilizes the tooth characteristic database, utilizes the characteristics of the teeth per se to automatically arrange the teeth to the proper positions under the characteristic constraint, and has high automation degree and improved tooth arrangement efficiency.
4. The invention simplifies the tooth arrangement simulation flow, combines the latest tooth arrangement simulation technology, focuses on the tooth arrangement layer, is comprehensive digitization from the beginning of die scanning to tooth arrangement and then 3D printing, has prospective performance in the whole dental industry, forms a systematic flow, has important application value in the field of computer-aided oral cavity orthodontic, is suitable for large-scale popularization and use, and meets the requirements of treatment and accurate medical treatment.
5. According to the invention, the anatomical form of the upper jaw model and the anatomical form of the lower jaw model are marked after the occlusal plane and the midline of the patient are determined through the imported dentition three-dimensional data information, so that the data support in the tooth arrangement process is realized, and the target tooth position is more accurate and no error is generated.
Drawings
FIG. 1 is a block flow diagram of the digital full mouth tooth arrangement method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
The current digital tooth arrangement based on 3SHAPE software is not combined with the latest tooth arrangement simulation technology, the current digital tooth arrangement technology still depends on the individual tooth arrangement level, so that the efficiency is lower than that of manual tooth arrangement in a certain sense, the manual culture cost is higher, the automation degree is low, and the universal popularization cannot be realized; the existing digital tooth arrangement is insufficient in precision on the technical problems of occlusal surfaces and the like, and the output effect of a finished product is poor, so that the finished product is not suitable for patients to wear, and the requirements of treatment and accurate medical treatment are not met.
The technical scheme of the invention comprises the steps of obtaining three-dimensional data information of dentition in an oral cavity of a patient before treatment, creating order information based on 3SHAPE software, importing the obtained three-dimensional data information of dentition into the 3SHAPE software, carrying out digital full-mouth tooth arrangement based on the 3SHAPE software, finally obtaining an ideal three-dimensional data arrangement sequence, and finally manufacturing a finished product removable denture for the patient through traditional embedding and filling; the relation reference of the facial structure and the actual condition of the oral cavity of a patient is added in the tooth arrangement flow, so that a doctor or technician can refer to the whole beauty of the face, the lips and the interior of the oral cavity when arranging teeth, the tooth arrangement effect is improved, and the optimal tooth arrangement relation is finally achieved by optimizing the treatment scheme.
The 3SHAPE software is specially designed for dental technicians, and aims to provide various high-quality restorations for technicians in a cost-effective manner, so that the success rate can be increased in an auxiliary manner, and the accuracy of tooth occlusion can be improved.
As shown in fig. 1: a digital full-mouth tooth arranging method, comprising the following steps:
s1, acquiring three-dimensional data information of dentition in an oral cavity of a patient before treatment;
further, when three-dimensional data information of dentition in the oral cavity of a patient before treatment is acquired, the data is acquired by a mode of digital model scanning by using a plaster model cast by impression materials in the oral cavity of the patient.
The obtained three-dimensional data information is specifically a three-dimensional file of which the patient's mouth is "STL" or "DCM" (color).
In another embodiment of the invention, the three-dimensional data information of the dentition in the oral cavity of the patient before treatment is acquired by means of digital intraoral scanning.
S2, creating order information based on the 3SHAPE software, and importing the obtained dentition three-dimensional data information into the 3SHAPE software;
Further, when the obtained dentition three-dimensional data information is imported into the 3SHAPE software, corresponding dentition needed to manufacture denture bases is created in order detail information, a denture and a base are selected and imported into the dentition three-dimensional data information and the wax dyke in the mouth of a patient, and the three-dimensional data information and the wax dyke in the mouth of the patient are imported.
Specifically, when creating order information, operator information, order number, and patient information are input.
When the information is created, the information is created directly through the list order, and the method is simple and quick.
And S3, determining characteristic points of the upper jaw model and the lower jaw model, namely generating auxiliary constraint conditions of tooth arrangement, based on 3SHAPE software through the imported dentition three-dimensional data information.
In S3, the step of determining the feature points of the upper jaw model and the lower jaw model is as follows:
s31, determining the occlusal plane and the midline of a patient through the left, right and middle three points of the wax dike based on a design module in 3SHAPE software, and marking the anatomical form of the maxillary model and the anatomical form of the mandibular model after the occlusal plane and the midline of the patient;
s32, marking the base boundaries of the upper jaw model and the lower jaw model based on a model analysis module in 3SHAPE software so as to determine the edge length;
S33, based on the observation and inverted concave filling module in the 3SHAPE software, the positioning direction is adjusted by moving the view angle so as to reduce the size of an inverted concave area, and positioning smoothness and stability are ensured;
S34, fine adjustment is carried out on scanned model data through a brush based on a wax-type trimming module in 3SHAPE software.
Determining the anatomical form of the occlusal plane and the posterior midline marker upper jaw model of the patient and the anatomical form of the lower jaw model of the patient through the imported dentition three-dimensional data information based on a design module in 3SHAPE software;
The anatomical form of the upper jaw model comprises an upper jaw nodule, an incisor mastoid and a cuspid point, and the anatomical form of the lower jaw model comprises a rear molar pad, a central ridge point and a cuspid point.
The data support is realized in the tooth arrangement process by determining the anatomical form of the occlusal plane and the posterior midline marked upper jaw model of the patient and the anatomical form of the lower jaw model of the patient through the imported dentition three-dimensional data information, so that the target tooth position is more accurate and no error is generated.
In the technical scheme, the teeth are automatically arranged to the proper positions by utilizing the characteristics of the teeth by utilizing the tooth characteristic database under characteristic constraint, and the method has high automation degree and improves the tooth arrangement efficiency.
S4, based on 3SHAPE software, using a pre-imported dental database to conduct dental arch arrangement, then conducting fine adjustment and beautification according to characteristic points of the upper jaw model and the lower jaw model, and finally obtaining dental information conforming to oral cavity characteristics and facial characteristics.
In S4, the steps of performing arch arrangement using the pre-imported dental database, and then performing fine tuning and beautifying according to the feature points of the upper jaw model and the lower jaw model are as follows:
S41, performing dental arch arrangement by using a pre-imported dental database based on an FD initial setting module in 3SHAPE software, and performing fine adjustment in the upper and lower jaw base options based on different model conditions and design standards;
s42, freely modeling the whole denture base based on the carved denture base module in the 3SHAPE software;
s43, defining the type of the denture base based on the engraved denture base module in the 3SHAPE software, and performing final data verification on the denture base to determine final data.
Further, in S41, fine tuning is specifically performed on the thickness of the base, cushioning, and aesthetic effect of gums when fine tuning is performed based on different model conditions and design criteria in the maxillary and mandibular base options.
Further, after final data are determined, the final data are automatically stored through 3SHAPE software, and a prosthesis is designed so that subsequent cutting printing is facilitated.
By adopting the technical scheme, the practicality and rationality of the tooth arrangement of the prosthesis are ensured, the target dentition is finally generated, and the method is simple, so that a doctor and a patient can know the final treatment result in advance, and the doctor can control the final form of the orthodontic dentition.
The digital full-mouth tooth arrangement mode is based on 3SHAPE software, is simple and easy to understand, reduces the difficulty of operators, is more rigorous and accurate in process, and improves the working efficiency.
The invention adopts a digital full-mouth tooth arrangement mode, which comprises the steps of obtaining three-dimensional data information of dentition in the oral cavity of a patient before treatment, creating information based on 3SHAPE software, importing the obtained three-dimensional data information of dentition into the 3SHAPE software, carrying out digital full-mouth tooth arrangement based on the 3SHAPE software, finally obtaining an ideal three-dimensional data arrangement sequence, and finally manufacturing a finished product removable denture for the patient through traditional embedding and filling; the relation reference of the facial structure and the actual condition of the oral cavity of a patient is added in the tooth arrangement flow, so that a doctor or technician can refer to the whole beauty of the face, the lips and the interior of the oral cavity when arranging teeth, the tooth arrangement effect is improved, and the optimal tooth arrangement relation is finally achieved by optimizing the treatment scheme.
The method has the advantages that the tooth arrangement simulation flow is simplified on the whole, the latest tooth arrangement simulation technology is combined, the tooth arrangement layer is focused on, the full-range digitization from the beginning of die scanning to tooth arrangement and 3D printing is realized, the whole dental industry has foresight, a systematic flow is formed, the method is suitable for large-scale popularization and use, the method has important application value in the field of computer-aided oral cavity orthodontic, and the requirements of treatment and accurate medical treatment are met.
The following should be explained: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions, which are defined by the scope of the appended claims.
Claims (2)
1. A digital full-mouth tooth arranging method, which is characterized by comprising the following steps:
S1, acquiring three-dimensional data characteristic information of dentition in an oral cavity of a patient before treatment;
S2, creating information based on 3SHAPE software, and importing the obtained dentition three-dimensional data information into the 3SHAPE software;
S3, determining characteristic points of the upper jaw model and the lower jaw model, namely generating auxiliary constraint conditions of tooth arrangement, based on 3SHAPE software through imported dentition three-dimensional data information;
s4, based on 3SHAPE software, using a pre-imported dental database to conduct dental arch arrangement, then conducting fine adjustment and beautification according to characteristic points of the upper jaw model and the lower jaw model, and finally obtaining dental information conforming to oral cavity characteristics and facial characteristics;
in S4, the steps of performing arch arrangement using the pre-imported dental database, and then performing fine tuning and beautifying according to the characteristic points of the upper jaw model and the lower jaw model are as follows:
S41, performing dental arch arrangement by using a pre-imported dental database based on an FD initial setting module in 3SHAPE software, and performing fine adjustment in the upper and lower jaw base options based on different model conditions and design standards;
s42, freely modeling the whole denture base based on the carved denture base module in the 3SHAPE software;
s43, defining the type of the denture base based on the engraved denture base module in the 3SHAPE software, and performing final data verification on the denture base to determine final data;
in S41, fine tuning is performed on the thickness, cushioning, and aesthetic effect of gums of the base, specifically, when fine tuning is performed based on different model conditions and design criteria in the upper and lower jaw base options;
In S1, when three-dimensional data information of dentition in an oral cavity of a patient before treatment is acquired, the three-dimensional data information is acquired by a mode of carrying out digital model scanning by using a gypsum model poured by an impression material in the oral cavity of the patient; in S1, when three-dimensional data information of dentition in an oral cavity of a patient before treatment is acquired, the three-dimensional data information is acquired in a digital intraoral scanning mode;
In S2, when the obtained dentition three-dimensional data information is imported into 3SHAPE software, corresponding dentition needed to manufacture denture bases is created in order detail information, and a denture and a base are selected and imported into the dentition three-dimensional data information in the mouth of a patient, wherein the dentition three-dimensional data information comprises scanning data and wax dykes; in S3, the step of determining feature points of the upper jaw model and the lower jaw model is as follows:
s31, determining the occlusal plane and the midline of a patient through the left, right and middle three points of the wax dike based on a design module in 3SHAPE software, and marking the anatomical form of the maxillary model and the anatomical form of the mandibular model after the occlusal plane and the midline of the patient;
s32, marking the base boundaries of the upper jaw model and the lower jaw model based on a model analysis module in 3SHAPE software so as to determine the edge length;
S33, based on the observation and inverted concave filling module in the 3SHAPE software, the positioning direction is adjusted by moving the view angle so as to reduce the size of an inverted concave area, and positioning smoothness and stability are ensured;
S34, fine-tuning scanned model data through a brush based on a wax-type trimming module in 3SHAPE software;
in S31, the anatomical form of the upper jaw model includes a maxillary nodule, an incisor mastoid, and a cuspid point, and the anatomical form of the lower jaw model includes a post-molar pad, a central ridge point, and a cuspid point.
2. The method of claim 1, wherein in S43, after determining the final data, the final data is automatically saved by 3SHAPE software and the prosthesis is designed to facilitate subsequent cutting and printing.
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| CN115120372B (en) * | 2022-05-25 | 2023-04-14 | 北京大学口腔医学院 | Three-dimensional prosthesis form and position determining method |
| CN116269872B (en) * | 2023-03-28 | 2024-07-30 | 上海交通大学医学院附属第九人民医院 | Diagnostic prosthesis for full-course digital intelligent occlusion reconstruction and manufacturing method thereof |
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