CN111192510B - Oral cavity model for practice - Google Patents
Oral cavity model for practice Download PDFInfo
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- CN111192510B CN111192510B CN202010119198.0A CN202010119198A CN111192510B CN 111192510 B CN111192510 B CN 111192510B CN 202010119198 A CN202010119198 A CN 202010119198A CN 111192510 B CN111192510 B CN 111192510B
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 17
- 238000004088 simulation Methods 0.000 claims description 12
- 210000003128 head Anatomy 0.000 claims description 9
- 210000004877 mucosa Anatomy 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000001847 jaw Anatomy 0.000 description 14
- 230000006872 improvement Effects 0.000 description 9
- 210000004400 mucous membrane Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 210000004373 mandible Anatomy 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000002050 maxilla Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/283—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for dentistry or oral hygiene
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Computational Mathematics (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses an oral cavity model for practice, which comprises a maxillary occluder, a mandibular occluder, a model maxillary, a model mandibular and model teeth, wherein the maxillary occluder can be installed on the mandibular occluder in a rotating and maintaining mode, the model maxillary is fixedly installed on the maxillary occluder, the model mandibular is fixedly installed on the mandibular occluder, a plurality of tooth grooves are arranged on the model maxillary and the model mandibular, the model teeth are correspondingly inserted in the tooth grooves one by one, and the model teeth and the tooth grooves are detachably and fixedly connected through at least one of a buckle structure and a connecting piece.
Description
Technical Field
The invention relates to an oral cavity model, in particular to an oral cavity model for practice.
Background
At present, dental education is required to be carried out by using an oral cavity model in the process of oral cavity medical teaching, the teeth of the oral cavity model are integrated into one piece on a maxillary model and a mandibular model, and the rear teeth of the oral cavity model are inserted on the maxillary model and the mandibular model in an interference fit mode for tooth extraction learning.
Disclosure of Invention
In order to overcome the defects, the invention provides the oral model for practice, which has a simple structure and is not easy to wear and loosen due to long-term insertion and extraction of model teeth.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an oral cavity model for practice, includes upper jaw interlock ware, lower jaw interlock ware, model upper jaw, model lower jaw and model tooth, upper jaw interlock ware can rotate and keep the installation on lower jaw interlock ware of settlement angle, model upper jaw fixed mounting is on upper jaw interlock ware, model lower jaw fixed mounting is on lower jaw interlock ware, be equipped with a plurality of tooth grooves on model upper jaw and the model lower jaw, the model tooth one-to-one inserts and locates in each tooth groove, and model tooth and tooth groove pass through at least one detachable fixed connection in buckle structure and the connecting piece.
As a further improvement of the invention, the model upper jaw and the model lower jaw comprise a jaw model, model mucous membranes and a tooth fixing tray, a plurality of first buckles are arranged on the tooth fixing tray, the jaw model can be detachably fixed on the tooth fixing tray, the model mucous membranes cover the surface of the jaw model, penetrating tooth grooves which are in one-to-one correspondence with the first buckles are correspondingly formed on the jaw model and the model mucous membranes, second buckles are formed at the tooth root parts of the model, and the second buckles at the tooth root parts of the model can be just buckled and connected with the first buckles on the tooth fixing tray.
As a further improvement of the invention, the connecting piece is a connecting screw, the tooth fixing tray is provided with a connecting hole, and the connecting screw can pass through the connecting hole on the tooth fixing tray to be in threaded connection with the model tooth.
As a further improvement of the invention, the multifunctional screw driver is also provided with an opening groove formed in the handle of the screw driver, an outer cover is detachably and fixedly inserted in the opening groove of the handle of the screw driver, an ejector rod is formed on the outer cover, the ejector rod can tightly abut against the surface of the tooth root part of the model through a connecting hole on the tooth fixing tray, and the ejector rod on the outer cover can be exactly accommodated in the opening groove of the handle of the screw driver.
As a further improvement of the invention, the model upper jaw and the model lower jaw also comprise shells, the tooth fixing tray is detachably and fixedly arranged in the shells, and a tongue model is further arranged, and is fixedly arranged on the side wall of the shells of the model lower jaw and is accommodated in the inner space of the model lower jaw.
As a further improvement of the invention, the shell of the model upper jaw and the model lower jaw is fixedly embedded with a magnetic attraction plate, the shell is also provided with an upper jaw magnetic template combination and a lower jaw magnetic template combination, the upper jaw magnetic template combination comprises a magnetic upper template main body, a magnetic upper baffle plate and an upper magnet, an inner groove structure is arranged on one side wall of the magnetic upper template main body, the upper magnet is accommodated in the inner groove structure, the magnetic upper baffle plate is fixedly connected with the magnetic upper template main body and seals an opening of the inner groove structure, the other side wall of the magnetic upper template main body is provided with a first connecting piece for fixedly positioning with the simulation head die, the lower jaw magnetic template combination comprises a magnetic lower template main body, a magnetic lower baffle plate and a lower magnet, an inner groove structure is arranged on one side wall of the magnetic lower template main body, the lower magnet is accommodated in the inner groove structure, the magnetic lower baffle plate is fixedly connected with the magnetic lower template main body and seals the opening of the inner groove structure, the other side wall of the magnetic lower template main body is provided with a second connecting piece for fixedly positioning with the simulation head die, and the magnetic attraction plate on the shell of the model upper jaw and the model lower jaw can be respectively magnetically attracted with the upper jaw magnetic template combination and one side of the lower jaw magnetic template.
As a further improvement of the invention, an upper magnet hoop, a lower magnet hoop, an upper positioning pin and a lower positioning pin are also arranged, wherein the upper magnet is tightly embedded in the upper magnet hoop, the whole formed by the upper magnet hoop and the upper magnet is tightly accommodated in an inner groove structure formed on one side wall of the upper jaw magnetic template, at least two upper positioning pins are fixedly arranged on one side wall of the upper jaw magnetic template main body, the lower magnet is tightly embedded in the lower magnet hoop, the whole formed by the lower magnet hoop and the lower magnet is tightly accommodated in an inner groove structure formed on one side wall of the lower jaw magnetic template main body, at least two lower positioning pins are fixedly arranged on one side wall of the lower jaw magnetic template main body, positioning holes are further formed on shells of the upper jaw and the lower jaw of the model, and the upper positioning pin and the lower positioning pin can be respectively correspondingly inserted in the positioning holes formed on shells of the upper jaw and the lower jaw of the model.
As a further improvement of the invention, the lower jaw occluder is provided with an opening groove and a limiting rod, the opening groove and the limiting rod can be elastically contracted, the upper jaw occluder is provided with a hinge shaft and at least two angle fixing teeth coaxial with the hinge shaft, the hinge shaft can be rotatably inserted into the opening groove of the lower jaw occluder, the depth of the opening groove on the lower jaw occluder is larger than the diameter of the hinge shaft on the upper jaw occluder, and the limiting rod on the lower jaw occluder can be exactly clamped into tooth grooves of two adjacent angle fixing teeth on the upper jaw occluder.
As a further improvement of the invention, the upper jaw occluder is also provided with a limit stop arm extending along the radial direction of the hinge shaft, the lower jaw occluder is provided with a limit plane, and the limit stop arm on the upper jaw occluder is flatly attached to the limit plane on the lower jaw occluder when the upper occluder and the lower occluder are in a closed state.
As a further improvement of the invention, the upper jaw occluder is also provided with a vertical rod fixing buckle, and the vertical rod fixing buckle can be fixedly arranged on a vertical rod on the vertical rod fixing frame.
The beneficial effects of the invention are as follows: according to the invention, the fixed plug-in mounting of the model teeth on the upper jaw model and the lower jaw model is realized by adopting the buckling connection structure and the screw connection, the situation of loosening after long-term use is avoided, the screw driver with the ejector rod is used in a matched manner, the ejector rod can be used for ejecting the model teeth from the tooth sockets during disassembly of the model teeth, the use convenience is improved, model mucous membranes are arranged on the upper jaw model and the lower jaw model, so that the oral cavity model is more vivid, the upper jaw model and the lower jaw model can be designed into split structures formed by splicing a plurality of plug-ins, quick replacement is realized, the upper jaw model and the lower jaw model can be suitable for practice such as mucotomy, mucoflap operation, muco-suture operation and the like, the upper jaw model and the lower jaw model can be mounted in the simulation head model through the magnetic attraction structure, simulation practice is realized, the practice effect is improved, the upper jaw model and the lower jaw model can keep stable angles at the designated angles through the special design of the articulator, the upper jaw model and the lower jaw model can be ensured to be opposite after closing, the upper jaw model and the lower jaw model are also kept to be in a staggered state, the simulation structure is simple, the simulation structure is convenient, the operation is easy in various practical processes are improved, and the practical process is easy to operate.
Drawings
FIG. 1 is a schematic perspective exploded view of the present invention;
FIG. 2 is a schematic view of the structure of the mandibular model according to the present invention;
FIG. 3 is an exploded view of the split structure of the maxillary model according to the present invention;
FIG. 4 is an exploded view of the split mandibular model according to the present invention;
FIG. 5 is a schematic diagram of a first magnetic template structure of the present invention;
FIG. 6 is a schematic diagram of a second magnetic template structure of the present invention;
fig. 7 is a first perspective view of the occluder of the present invention;
fig. 8 is a second perspective view of the occluder of the present invention;
fig. 9 is a perspective view of a model tooth according to the present invention.
Detailed Description
Examples: the utility model provides an oral cavity model for practice, includes upper jaw interlock ware 20, lower jaw interlock ware 30, model upper jaw 70, model lower jaw 60 and model tooth 67, upper jaw interlock ware 20 can rotate and keep the installation of settlement angle on lower jaw interlock ware 30, model upper jaw 70 fixed mounting is on upper jaw interlock ware 20, model lower jaw 60 fixed mounting is on lower jaw interlock ware 30, be equipped with a plurality of tooth's socket on model upper jaw 70 and the model lower jaw 60, the plug-in of model tooth 67 one-to-one locates in each tooth's socket, and model tooth 67 and tooth's socket pass through the fixed connection that at least one of buckle structure and connecting piece can dismantle. Any model tooth 67 of the oral cavity model can be quickly assembled and disassembled, the use is convenient, and the model tooth 67 is 32 teeth or 28 teeth. The product trademark 91, the tooth model 92 and the tooth number information mark 93 are arranged on the side wall of the root of the model tooth 67, so that the assembly and the tracing are convenient.
Model upper jaw 70 and model lower jaw 60 all include jaw model 64, model mucosa 63 and tooth fixed tray 69, be equipped with a plurality of first buckles on the tooth fixed tray 69, jaw model 64 can dismantle be fixed in on the tooth fixed tray 69, and model mucosa 63 covers on jaw model 64 surface, and the formation that corresponds on jaw model 64 and the model mucosa 63 is with the form tooth's socket that runs through of first buckle one-to-one, and model tooth 67 root is formed with the second buckle, the second buckle at model tooth 67 root just can be connected with the first buckle lock on the tooth fixed tray 69. Through setting up model mucosa 63 on the model and on model mandible 60 for model maxilla 70 and model mandible 60 are more lifelike, through tooth fixed tray 69 and jaw model 64 components of a whole that can function independently structure, easy to assemble and equipment, can realize dismantling and equipment between tooth fixed tray 69 and the jaw model 64 through buckle fixed connection, above-mentioned simple structure, each part can both realize injection moulding, the cost is low, the easy assembling and dismantling, draw together jaw model 64 and model mucosa 63 can correspond make the plug-in components form of monolithic structure or many concatenation, the plug-in components are removable, the plug-in components can be for having tooth jaw or no tooth jaw form, every plug-in components are removable. Replacement of the toothless jaw inserts may be used in practice of mucotomy, mucovalvulotomy, mucosal retractor, mucosal suturing, and the like.
The connecting piece is a connecting screw 68, a connecting hole is formed in the tooth fixing tray 69, and the connecting screw 68 can penetrate through the connecting hole in the tooth fixing tray 69 to be in threaded connection with the model tooth 67. The fixed connection of the tooth fixing tray 69 and the model tooth 67 is realized through screws, and the connection is stable.
The multifunctional screw driver 80 is further provided, an open slot is formed in the handle of the screw driver, an outer cover 90 is fixedly inserted in the open slot of the screw driver handle, an ejector rod is formed on the outer cover 90, the ejector rod can tightly abut against the root surface of the model tooth 67 through a connecting hole on the tooth fixing tray 69, and the ejector rod on the outer cover 90 can be accommodated in the open slot of the screw driver handle. The multifunctional screw driver 80 can be used for installing and detaching the connecting screw 68, the screw driver outer cover 90 can be taken down after the connecting screw 68 is unscrewed, the root of the model tooth 67 is propped against the root of the model tooth 67 by using the ejector rod on the outer cover 90 to eject the model tooth from the tooth slot, manual pulling is avoided, and the model tooth 67 is labor-saving and convenient to detach.
The model upper jaw 70 and the model lower jaw 60 further comprise a shell 61, the tooth fixing tray 69 is detachably and fixedly installed in the shell 61, a tongue model 40 is further arranged, the tongue model 40 is fixedly installed on the side wall of the shell 61 of the model lower jaw 60, and the tongue model 40 is accommodated in the inner space of the model lower jaw 60. The structure installs tongue model 40 on model lower jaw 60 for the oral cavity model is more lifelike, makes the student actively avoid the tongue when practicing, avoids causing the damage to human tongue during actual operation, can pass through connecting piece fixed mounting an L-shaped connection piece 62 in shell 61 inside, installs tongue model 40 on a lateral wall that L-shaped connection piece stretches into the oral cavity through the connecting piece.
The upper jaw 70 and the lower jaw 60 are also fixedly embedded with a magnetic attraction plate 65 on the shell 61, the upper jaw magnetic template assembly 10 and the lower jaw magnetic template assembly 50 are also arranged, the upper jaw magnetic template assembly 10 comprises a magnetic upper template main body 12, a magnetic upper baffle 16 and an upper magnet 14, an inner groove structure is arranged on one side wall of the magnetic upper template main body 12, the upper magnet 14 is accommodated in the inner groove structure, the magnetic upper baffle 16 is fixedly connected with the magnetic upper template main body 12 and seals an opening of the inner groove structure, a first connecting piece 11 for fixedly positioning with a simulation head die is arranged on the other side wall of the magnetic upper template main body 12, the lower jaw magnetic template assembly 50 comprises a magnetic lower template main body 52, a magnetic lower baffle 56 and a lower magnet 54, an inner groove structure is arranged on one side wall of the magnetic lower template main body 52, the lower magnet 54 is accommodated in the inner groove structure, the magnetic lower baffle 56 is fixedly connected with the magnetic lower template main body 52 and seals the opening of the inner groove structure, a second connecting piece 51 for fixedly positioning with the simulation head die is arranged on the other side wall of the magnetic lower template main body 52, and the upper jaw 60 and the upper jaw magnetic template assembly 60 can be combined with the upper jaw magnetic template assembly 50. The model upper jaw 70 and the model lower jaw 60 are quickly assembled and disassembled on the magnetic template combination in a magnetic attraction mode, so that the model upper jaw 70 and the model lower jaw 60 can be conveniently and quickly assembled into the simulation head die, wherein the connecting piece can be a nut or a stud pre-buried on the magnetic template main body.
The upper magnet hoop 13, the lower magnet hoop 53, the upper positioning pin 15 and the lower positioning pin 55 are further arranged, the upper magnet 14 is tightly embedded in the upper magnet hoop 13, the whole formed by the upper magnet hoop 13 and the upper magnet 14 is tightly accommodated in an inner groove structure formed on one side wall of the upper jaw magnetic template, at least two upper positioning pins 15 are fixedly arranged on one side wall of the upper jaw magnetic template main body, the lower magnet 54 is tightly embedded in the lower magnet hoop 53, the whole formed by the lower magnet hoop 53 and the lower magnet 54 is tightly accommodated in an inner groove structure formed on one side wall of the lower jaw magnetic template main body, at least two lower positioning pins 55 are fixedly arranged on one side wall of the lower jaw magnetic template main body, positioning holes are further formed on the shells 61 of the model upper jaw 70 and the model lower jaw 60, and the upper positioning pins 15 and the lower positioning pins 55 can be respectively correspondingly inserted in the positioning holes formed on the shells of the upper jaw of the model upper jaw and the model lower jaw. The magnet is protected through the magnet hoop, the magnet is prevented from being damaged, and the model upper jaw 70 and the model lower jaw 60 are rapidly and accurately installed on the magnetic template combination through the cooperation of the locating pin and the locating hole.
The lower jaw occluder 30 is provided with an opening groove and a limiting rod, the opening groove and the limiting rod can be elastically contracted, the upper jaw occluder 20 is provided with a hinge shaft and at least two angle fixing teeth 22 coaxial with the hinge shaft, the hinge shaft can be rotatably inserted into the opening groove of the lower jaw occluder 30, the depth of the opening groove in the lower jaw occluder 30 is larger than the diameter of the hinge shaft in the upper jaw occluder 20, and the limiting rod in the lower jaw occluder 30 can be just clamped into tooth grooves of two adjacent angle fixing teeth 22 in the upper jaw occluder 20. When the upper jaw occluder 20 is pulled to change the included angle between the upper jaw occluder and the lower jaw occluder 30, the fixed teeth rotate along with the hinged shaft while the hinged shaft rotates in the opening groove, the hinged shaft slides in the opening groove of the lower jaw occluder 30 for a certain distance towards the opening direction under the blocking action of the limiting rod, when the limiting rod is opposite to the next tooth groove, the hinged shaft automatically resets to the root of the opening groove under the action of the elastic shrinkage force of the opening groove opening on the lower jaw occluder 30, and at the moment, the limiting rod and the tooth groove keep a stable meshed connection state, so that the angle positioning requirement of the occluder opening can be met according to the requirement, the angle fixing teeth 22 are arranged on the upper occluder, and the lower jaw occluder 30 and the upper jaw occluder 20 can be formed by plastic injection molding or made of spring steel and the like.
The upper jaw occluder 20 is further provided with a limit stop arm 21 extending along the radial direction of the hinge shaft, the lower jaw occluder 30 is provided with a limit plane, and the limit stop arm 21 on the upper jaw occluder 20 is flatly attached to the limit plane on the lower jaw occluder 30 to stop when the upper occluder and the lower occluder are in a closed state. By matching the limit stop arm 21 with the limit plane, the model teeth 67 on the model upper jaw 70 and the model lower jaw 60 can be ensured to correspond in meaning when the upper occluder and the lower occluder are closed, and the phenomenon of dislocation is avoided.
The upper jaw occluder 20 is also provided with a vertical rod fixing buckle which can be fixedly arranged on a vertical rod on the vertical rod fixing frame. The structure can enable the oral cavity model to be taken down from the simulation head model and fixed on the upright rod of the upright rod fixing frame for positioning, thereby facilitating teaching and observation.
Claims (8)
1. The utility model provides an oral cavity model for practice, includes upper jaw interlock (20), lower jaw interlock (30), model upper jaw (70), model lower jaw (60) and model tooth (67), upper jaw interlock can rotate and keep setting for the angle install on lower jaw interlock, model upper jaw fixed mounting is on upper jaw interlock, model lower jaw fixed mounting is on lower jaw interlock, its characterized in that: the model upper jaw and the model lower jaw are provided with a plurality of tooth grooves, the model teeth are inserted in the tooth grooves in a one-to-one correspondence manner, the model teeth and the tooth grooves are fixedly connected through at least one of a buckle structure and a connecting piece, a magnetic suction plate (65) is fixedly embedded on the shell of the model upper jaw and the model lower jaw, a magnetic upper template combination (10) and a lower jaw magnetic template combination (50) are also arranged, the magnetic upper template combination comprises a magnetic upper template main body (12), a magnetic upper baffle (16) and an upper magnet (14), an inner groove structure is arranged on one side wall of the magnetic upper template main body, the upper magnet is accommodated in the inner groove structure, the magnetic upper baffle is fixedly connected with the magnetic upper template main body and seals the opening of the inner groove structure, the magnetic upper template main body is provided with a first connecting piece (11) for fixing and positioning the simulation head die on the other side wall, the mandibular magnetic template combination comprises a magnetic lower template main body (52), a magnetic conduction lower baffle plate (56) and a lower magnet (54), an inner groove structure is arranged on one side wall of the magnetic lower template main body, the lower magnet is contained in the inner groove structure, the magnetic conduction lower baffle plate is fixedly connected with the magnetic lower template main body and seals an opening of the inner groove structure, the other side wall of the magnetic lower template main body is provided with a second connecting piece (51) for fixing and positioning the simulation head die, magnetic attraction plates on shells of a model upper jaw and a model lower jaw can be respectively combined with the maxillary magnetic template and the mandibular magnetic template combination is magnetically attracted, and an upper magnet hoop (13), a lower magnet hoop (53) are further arranged, the upper magnet is tightly embedded in the upper magnet hoop, the whole formed by the upper magnet hoop and the upper magnet is tightly accommodated in an inner groove structure on one side wall of the upper jaw magnetic template, at least two upper positioning pins are fixedly arranged on one side wall of the upper jaw magnetic template main body, the lower magnet is tightly embedded in the lower magnet hoop, the whole formed by the lower magnet hoop and the lower magnet is tightly accommodated in an inner groove structure on one side wall of the lower jaw magnetic template, at least two lower positioning pins are fixedly arranged on one side wall of the lower jaw magnetic template main body, positioning holes are further formed in shells of the upper jaw and the lower jaw of the model, and the upper positioning pins and the lower positioning pins are respectively correspondingly inserted in the positioning holes in the shells of the upper jaw and the lower jaw of the model.
2. The training oral model according to claim 1, characterized in that: model upper jaw and model lower jaw all include jaw model (64), model mucosa (63) and tooth fixed tray (69), be equipped with a plurality of first buckles on the tooth fixed tray, jaw model can dismantle be fixed in on the tooth fixed tray, and model mucosa covers on jaw model surface, and the formation that corresponds on jaw model and the model mucosa is with the run-through form tooth's socket of first buckle one-to-one, and model tooth root portion is formed with the second buckle, the second buckle of model tooth root portion just can be connected with the first buckle lock on the tooth fixed tray.
3. The training oral model according to claim 2, characterized in that: the connecting piece is a connecting screw (68), a connecting hole is formed in the tooth fixing tray, and the connecting screw can penetrate through the connecting hole in the tooth fixing tray to be in threaded connection with the model tooth.
4. The training oral model according to claim 3, wherein: the multifunctional screw driver is characterized by further comprising a multifunctional screw driver (80), wherein an open slot is formed in the handle of the screw driver, an outer cover (90) is fixedly inserted into the open slot of the handle of the screw driver, an ejector rod is formed in the outer cover, the ejector rod can tightly abut against the surface of the tooth root part of the model through a connecting hole in the tooth fixing tray, and the ejector rod on the outer cover can be accommodated in the open slot of the handle of the screw driver.
5. The training oral model according to claim 3, wherein: the model upper jaw and the model lower jaw also comprise a shell (61), the tooth fixing tray is detachably and fixedly arranged in the shell, a tongue model (40) is further arranged, the tongue model is fixedly arranged on the side wall of the shell of the model lower jaw, and the tongue model is accommodated in the inner space of the model lower jaw.
6. The training oral model according to claim 4, wherein: the lower jaw occluder is provided with an opening groove and a limiting rod, the opening groove and the limiting rod can be elastically contracted, the upper jaw occluder is provided with a hinge shaft and at least two angle fixing teeth (22) coaxial with the hinge shaft, the hinge shaft can be rotatably inserted into the opening groove of the lower jaw occluder, the depth of the opening groove in the lower jaw occluder is larger than the diameter of the hinge shaft in the upper jaw occluder, and the limiting rod on the lower jaw occluder can be just clamped into tooth grooves of two adjacent angle fixing teeth on the upper jaw occluder.
7. The training oral model according to claim 1, characterized in that: the upper jaw occluder is also provided with a limit stop arm (21) extending along the radial direction of the hinge shaft, the lower jaw occluder is provided with a limit plane, and the limit stop arm on the upper jaw occluder is flatly attached to the limit plane on the lower jaw occluder to stop when the upper occluder and the lower occluder are in a closed state.
8. The training oral model according to claim 1, characterized in that: the upper jaw occluder is also provided with a vertical rod fixing buckle, and the vertical rod fixing buckle can be fixedly arranged on a vertical rod on the vertical rod fixing frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010119198.0A CN111192510B (en) | 2020-02-26 | 2020-02-26 | Oral cavity model for practice |
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|---|---|---|---|
| CN202010119198.0A CN111192510B (en) | 2020-02-26 | 2020-02-26 | Oral cavity model for practice |
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| CN111192510A CN111192510A (en) | 2020-05-22 |
| CN111192510B true CN111192510B (en) | 2024-09-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112309214B (en) * | 2020-11-04 | 2022-05-17 | 孟舒 | Teaching mould for oral health education of preschool children |
| CN115083249B (en) * | 2022-06-08 | 2024-01-30 | 西诺医疗器械集团有限公司 | Automatic homing type ejection mechanism for dental magnetic suction plate of simulated head die for oral cavity teaching |
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| CN212010071U (en) * | 2020-02-26 | 2020-11-24 | 日进教学器材(昆山)有限公司 | Oral cavity model for practice |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005152069A (en) * | 2003-11-21 | 2005-06-16 | Nisshin:Kk | Dental articulator and jaw model used for the articulator |
| JP5778552B2 (en) * | 2011-11-08 | 2015-09-16 | 株式会社モリタ製作所 | Training model device |
| CN204229722U (en) * | 2014-08-18 | 2015-03-25 | 浙江大学 | A kind of periodontal surgery teaching mode |
| CN105957421B (en) * | 2016-07-19 | 2019-04-05 | 日进教学器材(昆山)有限公司 | Multifunctional oral cavity plants practice model |
| CN206757991U (en) * | 2016-12-30 | 2017-12-15 | 佛山科学技术学院 | A kind of oral care model |
| US10096267B1 (en) * | 2018-01-08 | 2018-10-09 | King Saud University | Dental education model |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212010071U (en) * | 2020-02-26 | 2020-11-24 | 日进教学器材(昆山)有限公司 | Oral cavity model for practice |
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