CN111192510A - Oral cavity model for practice - Google Patents
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- CN111192510A CN111192510A CN202010119198.0A CN202010119198A CN111192510A CN 111192510 A CN111192510 A CN 111192510A CN 202010119198 A CN202010119198 A CN 202010119198A CN 111192510 A CN111192510 A CN 111192510A
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 28
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 16
- 210000001847 jaw Anatomy 0.000 claims description 18
- 210000004877 mucosa Anatomy 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 10
- 210000003128 head Anatomy 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 230000006872 improvement Effects 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 210000004373 mandible Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000002354 Edentulous Jaw Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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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- Oral & Maxillofacial Surgery (AREA)
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- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses a practice oral cavity model, which comprises an upper jaw articulator, a lower jaw articulator, a model upper jaw, a model lower jaw and model teeth, wherein the upper jaw articulator can rotate and keep a set angle and is arranged on the lower jaw articulator, the model upper jaw is fixedly arranged on the upper jaw articulator, the model lower jaw is fixedly arranged on the lower jaw articulator, a plurality of tooth sockets are arranged on the model upper jaw and the model lower jaw, the model teeth are correspondingly inserted into the tooth sockets one by one, and the model teeth and the tooth sockets are fixedly connected in a detachable manner 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, all need use the oral cavity model to carry out dentistry teaching at the in-process of dentistry teaching, present oral cavity model tooth is integrated into one piece mostly on upper jaw model and lower jaw model, back part tooth can insert on upper jaw model and lower jaw model through interference fit's mode, be used for extracting the tooth study, this kind of interference fit's mode, after long-term plug study, can't keep stable connected state because of wearing and tearing very easily, the model tooth drops easily and loses, it is inconvenient to use, and present oral cavity model does not have the tongue yet, make the student inadequately notice the tongue when practising, when actual dentistry treatment, harm patient's tongue easily.
Disclosure of Invention
In order to overcome the defects, the invention provides the oral cavity model for practice, the oral cavity model for practice is simple in structure, and model teeth are not easy to wear and loosen after being inserted and pulled for a long time.
The technical scheme adopted by the invention for solving the technical problem is as follows: a practical oral cavity model comprises an upper jaw articulator, a lower jaw articulator, a model upper jaw, a model lower jaw and model teeth, wherein the upper jaw articulator can rotate and keep a set angle and is installed on the lower jaw articulator, the model upper jaw is fixedly installed on the upper jaw articulator, the model lower jaw is fixedly installed on the lower jaw articulator, a plurality of tooth sockets are arranged on the model upper jaw and the model lower jaw, the model teeth are inserted into the tooth sockets in a one-to-one correspondence mode, and the model teeth and the tooth sockets are fixedly connected in a detachable mode through at least one of a buckle structure and a connecting piece.
As a further improvement of the invention, the model upper jaw and the model lower jaw respectively comprise a jaw bone model, a model mucosa and a tooth fixing tray, a plurality of first buckles are arranged on the tooth fixing tray, the jaw bone model can be detachably fixed on the tooth fixing tray, the model mucosa covers the surface of the jaw bone model, the jaw bone model and the model mucosa correspondingly form through tooth sockets which are in one-to-one correspondence with the first buckles, the tooth root part of the model is provided with a second buckle, and the second buckle of the tooth root part of the model can be just buckled and connected with the first buckle 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 penetrate through the connecting hole on the tooth fixing tray and is in threaded connection with the model tooth.
As a further improvement of the invention, the multifunctional screwdriver is also provided, an open slot is formed on the handle of the screwdriver, an outer cover is detachably and fixedly inserted in the open slot of the handle of the screwdriver, an ejector rod is formed on the outer cover and can be tightly pressed against the surface of the tooth root of the model through a connecting hole on the tooth fixing tray, and the ejector rod on the outer cover can be just accommodated in the open slot of the handle of the screwdriver.
As a further improvement of the invention, the model upper jaw and the model lower jaw respectively comprise a shell, the tooth fixing tray is detachably and fixedly arranged in the shell, the tooth fixing tray is also provided with a tongue model, 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.
As a further improvement of the invention, the shells of the upper jaw and the lower jaw of the model are also fixedly embedded with a magnetic suction plate, and are 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 conduction 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 conduction upper baffle plate is fixedly connected with the magnetic upper template main body and closes an opening of the inner groove structure, a first connecting piece for fixedly positioning with the simulation head die is arranged on the other side wall of the magnetic upper template main body, the lower jaw magnetic template combination comprises a magnetic lower template main body, a magnetic conduction 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 conduction lower baffle plate is fixedly connected with, and a second connecting piece for fixing and positioning the simulation head die is arranged on the other side wall of the magnetic lower template body, and the magnetic suction plates on the shells of the upper jaw and the lower jaw of the model can be respectively combined with the upper jaw magnetic template and the lower jaw magnetic template to be combined into a side wall for magnetic suction.
As a further improvement of the invention, the upper magnetic iron hoop, the lower magnetic iron hoop, the upper positioning pin and the lower positioning pin are further arranged, the upper magnet is tightly embedded in the upper magnetic iron hoop, the whole body formed by the upper magnetic iron 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 magnetic iron hoop, the whole body formed by the lower magnetic iron 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 arranged 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 correspondingly inserted in the upper positioning hole and.
As a further improvement of the invention, the lower jaw articulator is provided with an open slot with an elastically contractible opening and a limiting rod, the upper jaw articulator is provided with a hinged shaft and at least two angle fixing teeth which are coaxial with the hinged shaft, the hinged shaft can be rotatably inserted into the open slot of the lower jaw articulator, the depth of the upper open slot of the lower jaw articulator is larger than the diameter of the upper hinged shaft of the upper jaw articulator, and the limiting rod on the lower jaw articulator can be just clamped in tooth grooves of two adjacent angle fixing teeth on the upper jaw articulator.
As a further improvement of the invention, the upper jaw articulator is also provided with a limit stop arm which extends along the radial direction of the articulated shaft, the lower jaw articulator is provided with a limit plane, and the limit stop arm on the upper jaw articulator is flatly attached to the limit plane on the lower jaw articulator for stopping when the upper and lower articulators are in a closed state.
As a further improvement of the invention, the maxillary occluder is also provided with a vertical rod fixing buckle which can be fixedly arranged on a vertical rod fixing frame.
The invention has the beneficial effects that: the invention realizes the fixed insertion installation of model teeth on the upper jaw model and the lower jaw model by adopting the buckling connection structure and the screw connection, avoids the situation of loosening after long-term use, and further uses a screwdriver with an ejector rod in a matching way, the model teeth can be ejected out of a tooth socket by the ejector rod when being disassembled, thereby improving the use convenience, model adhesive films 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 also be designed into a split structure formed by splicing a plurality of inserts, the rapid replacement is realized, the invention can be suitable for the practice of mucosal incision, mucosal flap, mucosal retraction, mucosal suture and the like, the upper jaw model and the lower jaw model can be arranged in a simulation head die by a magnetic attraction structure, the simulation practice is realized, the practice effect is improved, and further, the special design of the articulator is adopted, the invention has the advantages of simple structure, high simulation degree and stable structure, is convenient for various operations in the practice process, and is beneficial to improving the operation skill of students.
Drawings
FIG. 1 is a perspective exploded view of the structural principle of the present invention;
fig. 2 is a schematic structural diagram of a mandible model of the invention;
FIG. 3 is an exploded view of a split version of the maxillary model of the present invention;
fig. 4 is an exploded view of a split structure of a mandible model of the present invention;
FIG. 5 is a schematic diagram of a first magnetic template structure according to the present invention;
FIG. 6 is a schematic diagram of a second magnetic template configuration 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 of the present invention.
Detailed Description
Example (b): a practical oral cavity model comprises an upper jaw articulator 20, a lower jaw articulator 30, a model upper jaw 70, a model lower jaw 60 and model teeth 67, wherein the upper jaw articulator 20 can be rotatably and fixedly arranged on the lower jaw articulator 30 at a set angle, the model upper jaw 70 is fixedly arranged on the upper jaw articulator 20, the model lower jaw 60 is fixedly arranged on the lower jaw articulator 30, a plurality of tooth sockets are arranged on the model upper jaw 70 and the model lower jaw 60, the model teeth 67 are correspondingly inserted into the tooth sockets one by one, and the model teeth 67 are fixedly connected with the tooth sockets in a detachable manner through at least one of a buckle structure and a connecting piece. Any one model tooth 67 of the oral cavity model can be quickly installed and detached, the use is convenient, and the model tooth 67 is 32 teeth or 28 teeth. Be equipped with product trade mark 91, tooth model 92 and tooth number information sign 93 on the lateral wall of model tooth 67 root, convenient equipment and traceing back.
Model upper jaw 70 and model lower jaw 60 all include jaw model 64, model mucosa 63 and the fixed tray 69 of tooth, be equipped with a plurality of first buckles on the fixed tray 69 of tooth, jaw model 64 can be dismantled be fixed in on the fixed tray 69 of tooth, model mucosa 63 covers on jaw model 64 surface, form and the form that runs through form tooth's socket of first buckle one-to-one on jaw model 64 and the model mucosa 63, model tooth 67 root is formed with the second buckle, the second buckle of model tooth 67 root just can be connected with the first buckle lock on the fixed tray 69 of tooth. Through with on the model and set up model mucosa 63 on the model lower jaw 60, make model upper jaw 70 more lifelike with model lower jaw 60, divide the body structure with jaw model 64 through fixed tray 69 of tooth, easy to assemble and equipment, can be through buckle fixed connection between fixed tray 69 of tooth and the jaw model 64, realize dismantling and assembling, above-mentioned simple structure, injection moulding can both be realized to each part, the preparation precision is high, and is with low costs, convenient equipment and dismantlement, draw into the plug-in components form that makes overall structure or many concatenations that jaw model 64 and model mucosa 63 can correspond, the plug-in components are removable, the plug-in components can be for having tooth jaw or non-tooth jaw form, every plug-in components are removable. The replacement of the edentulous jaw insert can be used for the practice of mucosal dissection, mucosal flap, mucosal retraction, mucosal suturing, and the like.
The connecting piece is a connecting screw 68, a connecting hole is arranged on the tooth fixing tray 69, and the connecting screw 68 can penetrate through the connecting hole on the tooth fixing tray 69 to be in threaded connection with the model tooth 67. The fixed connection between the tooth fixing tray 69 and the model tooth 67 is realized through screws, and the connection is stable.
The multifunctional screwdriver 80 is further arranged, an open slot is formed in the handle of the screwdriver, an outer cover 90 is detachably and fixedly inserted into the open slot of the handle of the screwdriver, an ejection rod is formed on the outer cover 90 and can be just tightly abutted to the surface of the root of the model tooth 67 through a connecting hole in the tooth fixing tray 69, and the ejection rod on the outer cover 90 can be just accommodated in the open slot of the handle of the screwdriver. This multifunctional screwdriver 80 both can be used for installing and dismantling the operation connecting screw 68, and connecting screw 68 screws off the back, can also take off screwdriver enclosing cover 90, withstands the root of model tooth 67 with the ejector pin on enclosing cover 90 and ejecting it from the tooth's socket, avoids artifical hand to pull out, and the dismantlement of model tooth 67 is laborsaving, convenient.
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 arranged in the shell 61, a tongue model 40 is further arranged, the tongue model 40 is fixedly arranged 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. Tongue model 40 is installed to this structure on model lower jaw 60 for the oral cavity model is more lifelike, can initiatively avoid the tongue when making the student practice, causes the damage to human tongue when avoiding actual operation, can pass through L shape connection piece 62 of connecting piece fixed mounting inside shell 61, installs tongue model 40 on a lateral wall that L shape connection piece stretches into the oral cavity through the connecting piece.
The shell 61 of the model upper jaw 70 and the model lower jaw 60 is further fixedly embedded with a magnetic suction plate 65, and is further provided with an upper jaw magnetic template combination 10 and a lower jaw magnetic template combination 20, the upper jaw magnetic template combination 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 closes an opening of the inner groove structure, a first connecting piece 11 for fixedly positioning with the simulation head die is arranged on the other side wall of the magnetic upper template main body 12, the lower jaw magnetic template combination 20 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 upper 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 closes the, the other side wall of the magnetic lower template body 52 is provided with a second connecting piece 51 for fixing and positioning with the simulation head die, and the magnetic suction plates 65 on the shells 61 of the model upper jaw 70 and the model lower jaw 60 can be respectively attracted with one side wall of the upper jaw magnetic template combination 10 and the lower jaw magnetic template combination 20 by magnetic force. The model upper jaw 70 and the model lower jaw 60 can be rapidly installed and disassembled on the magnetic template assembly in a magnetic attraction mode, and can be conveniently and rapidly installed in the simulation head die, wherein the connecting piece can be a nut or a stud embedded in the magnetic template body.
The upper magnet 14 is tightly embedded in the upper magnet hoop 13, the whole body formed by the upper magnet hoop 13 and the upper magnet 14 is tightly accommodated in an inner groove structure 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 body, the lower magnet 54 is tightly embedded in the lower magnet hoop 53, the whole body formed by the lower magnet hoop 53 and the lower magnet 54 is tightly accommodated in an inner groove structure on one side wall of the lower jaw magnetic template body, at least two lower positioning pins 55 are fixedly arranged on one side wall of the lower jaw magnetic template body, positioning holes are further formed in the shells 61 of the upper jaw 70 and the lower jaw 60 of the model, and the upper positioning pins 15 and the lower positioning pins 55 can be correspondingly inserted in the upper positioning holes and the lower positioning holes respectively. The magnets are protected by the magnet hoops, the magnets are prevented from being damaged, and the model upper jaw 70 and the model lower jaw 60 are quickly and accurately installed on the magnetic template combination through the matching of the positioning pins and the positioning holes.
The mandibular articulator 30 is provided with an open slot and a limit rod, the opening of which can be elastically contracted, the maxillary articulator 20 is provided with a hinged shaft and at least two angle fixing teeth 22 which are coaxial with the hinged shaft, the hinged shaft can be rotatably inserted into the open slot of the mandibular articulator 30, the depth of the open slot on the mandibular articulator 30 is larger than the diameter of the hinged shaft on the maxillary articulator 20, and the limit rod on the mandibular articulator 30 can be just clamped in tooth grooves of two adjacent angle fixing teeth 22 on the maxillary articulator 20. When the upper jaw articulator 20 is pulled to change the included angle between the upper jaw articulator 20 and the lower jaw articulator 30, the hinged shaft rotates in the open slot, meanwhile, the fixed teeth rotate together with the hinged shaft, the hinged shaft slides for a certain distance in the open slot of the lower jaw articulator 30 towards the opening direction under the blocking action of the limiting rod, after the limiting rod is over against the next tooth socket, the hinged shaft automatically resets to the root of the open slot under the action of elastic contraction force of the opening of the open slot on the lower jaw articulator 30, and the limiting rod and the tooth socket keep a stable meshing connection state at the moment, so that the angle fixed teeth 22 are arranged on the upper articulator according to the requirement of positioning the opening angle of the articulator, and the lower jaw articulator 30 and the upper jaw articulator 20 can be made of plastic injection molding, and can also.
The upper jaw articulator 20 is also provided with a limit stop arm 21 extending along the radial direction of the articulated shaft, the lower jaw articulator 30 is provided with a limit plane, and the limit stop arm 21 on the upper jaw articulator 20 is flatly attached to the limit plane on the lower jaw articulator 30 for stopping when the upper and lower articulators are in a closed state. Through the matching of the limiting stop arm 21 and the limiting plane, the meaning of the model teeth 67 on the model upper jaw 70 and the model lower jaw 60 can be corresponding when the upper articulator and the lower articulator are closed, and the phenomenon of dislocation is avoided.
The upper jaw articulator 20 is further provided with a vertical rod fixing buckle which can be fixedly arranged on a vertical rod on the vertical rod fixing frame. This structure can make the oral cavity model take off from emulation head die and fix a position in the pole setting of pole setting mount, convenient teaching and observation.
Claims (10)
1. A practical oral cavity model comprises an upper jaw articulator (20), a lower jaw articulator (30), a model upper jaw (70), a model lower jaw (60) and model teeth (67), wherein the upper jaw articulator can rotate and keep a set angle and is arranged on the lower jaw articulator, the model upper jaw is fixedly arranged on the upper jaw articulator, the model lower jaw is fixedly arranged on the lower jaw articulator, and the model oral cavity model is characterized in that: the model upper jaw and the model lower jaw are provided with a plurality of tooth sockets, the model teeth are inserted into the tooth sockets in a one-to-one correspondence manner, and the model teeth and the tooth sockets are fixedly connected through at least one of a buckle structure and a connecting piece in a detachable manner.
2. The model oral cavity for training use according to claim 1, wherein: model upper jaw and model lower jaw all include jaw model (64), model mucosa (63) and fixed tray of tooth (69), be equipped with a plurality of first buckles on the fixed tray of tooth, jaw model can be dismantled be fixed in on the fixed tray of tooth, the model mucosa covers in jaw model surface, the form that corresponds on jaw model and the model mucosa and the form tooth's socket that runs through of first buckle one-to-one, 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 fixed tray of tooth.
3. The model oral cavity for training use according to claim 2, wherein: 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 model oral cavity for training use according to claim 3, characterized in that: the tooth fixing tray is characterized by further comprising a multifunctional screwdriver (80), an open slot is formed in the handle of the screwdriver, an outer cover (90) is detachably and fixedly inserted into the open slot of the handle of the screwdriver, an ejection rod is formed on the outer cover and can be tightly abutted to the surface of the tooth root of the model through a connecting hole in the tooth fixing tray, and the ejection rod on the outer cover can be accommodated in the open slot of the handle of the screwdriver.
5. The model oral cavity for training use according to claim 3, characterized in that: the model upper jaw and the model lower jaw both comprise a shell (61), the tooth fixing tray can be 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 contained in the inner space of the model lower jaw.
6. The model oral cavity for training use according to claim 3, characterized in that: the shell of the upper jaw and the lower jaw of the model is also fixedly embedded with a magnetic suction plate (65), and is also provided with an upper jaw magnetic template combination (10) and a lower jaw magnetic template combination (20), the upper jaw magnetic template combination comprises a magnetic upper template main body (12), a magnetic conduction upper baffle plate (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 conduction upper baffle plate is fixedly connected with the magnetic upper template main body and seals an opening of the inner groove structure, a first connecting piece (11) for fixing and positioning with the simulation head die is arranged on the other side wall of the magnetic upper template main body, the lower jaw 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, and the, the magnetic conduction lower baffle is fixedly connected with the magnetic lower template body and seals the opening of the inner groove structure, a second connecting piece (51) used for being fixedly positioned with the simulation head die is arranged on the other side wall of the magnetic lower template body, and the magnetic suction plates on the shells of the upper jaw and the lower jaw of the model can be respectively combined with the upper jaw magnetic template and the lower jaw magnetic template to be combined into a side wall for magnetic suction.
7. The model oral cavity for training use according to claim 3, characterized in that: the upper magnet is tightly embedded in the upper magnet hoop, the whole body formed by the upper magnet hoop and the upper magnet is tightly contained 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 body formed by the lower magnet hoop and the lower magnet is tightly contained 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 can be correspondingly inserted into the upper positioning holes and the lower positioning holes respectively.
8. The model oral cavity for training use according to claim 4, wherein: the jaw articulator is provided with an open slot and a limiting rod, the open slot and the limiting rod are provided with openings capable of elastically contracting, the upper jaw articulator is provided with a hinged shaft and at least two angle fixing teeth (22) coaxial with the hinged shaft, the hinged shaft can be rotatably inserted into the open slot of the lower jaw articulator, the depth of the upper opening slot of the lower jaw articulator is larger than the diameter of the upper hinged shaft of the upper jaw articulator, and the limiting rod on the lower jaw articulator can be just clamped in tooth grooves of two adjacent angle fixing teeth on the upper jaw articulator.
9. The model oral cavity for training use according to claim 7, wherein: the upper jaw articulator is also provided with a limit stop arm (21) which extends along the radial direction of the articulated shaft, the lower jaw articulator is provided with a limit plane, and the limit stop arm on the upper jaw articulator is flatly attached to the limit plane on the lower jaw articulator for stopping when the upper and lower articulators are in a closed state.
10. The model oral cavity for training use according to claim 7, wherein: the upper jaw articulator is further provided with a vertical rod fixing buckle, and the vertical rod fixing buckle can be fixedly installed on a vertical rod on the vertical rod fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119198.0A CN111192510B (en) | 2020-02-26 | 2020-02-26 | Oral cavity model for practice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119198.0A CN111192510B (en) | 2020-02-26 | 2020-02-26 | Oral cavity model for practice |
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| Publication Number | Publication Date |
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| CN111192510A true CN111192510A (en) | 2020-05-22 |
| CN111192510B CN111192510B (en) | 2024-09-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112309214A (en) * | 2020-11-04 | 2021-02-02 | 孟舒 | Teaching mould for oral health education of preschool children |
| CN115083249A (en) * | 2022-06-08 | 2022-09-20 | 西诺医疗器械集团有限公司 | Automatic homing type ejection mechanism for dental magnetic suction plate of head-imitating model for oral teaching |
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