CN218676304U - Three-dimensional visual impacted tooth model of extracing tooth - Google Patents
Three-dimensional visual impacted tooth model of extracing tooth Download PDFInfo
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- CN218676304U CN218676304U CN202222030431.5U CN202222030431U CN218676304U CN 218676304 U CN218676304 U CN 218676304U CN 202222030431 U CN202222030431 U CN 202222030431U CN 218676304 U CN218676304 U CN 218676304U
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Abstract
The utility model relates to an oral cavity technical field especially relates to a three-dimensional visual impacted tooth model of extracing tooth is through setting up jaw part and being transparent material to make first molar, second molar, impacted third molar and lower jaw neural tube have different colours respectively, and first molar, second molar, impacted third molar and lower jaw neural tube all are different with the colour of jaw part, in order to do benefit to and carry out resistance analysis and scheme design before extracing tooth. Through hindering living third molar with be provided with the support material that has water-solubility between the lower jaw body rear portion to there is the clearance between messenger's third molar of hindering living and the lower jaw body rear portion, can separate, and then can better simulate the process that the tooth body was cut apart, the dislocation, etc. in order to improve experiment teaching effect, get into clinical practice for the model user and lay the basis. The model can be subjected to simulation operations such as bone removal, crown cutting, root division, gap increase, extrusion and the like, and the surgical process of extracting the impacted teeth can be well restored; and the tooth extraction model also has the advantages of simple structure and convenient manufacture.
Description
Technical Field
The utility model relates to an oral cavity technical field especially relates to a three-dimensional visual impacted tooth model of extracing tooth.
Background
The main technical difficulty of extraction of the impacted tooth is to analyze the resistance of the impacted tooth, formulate a reasonable resistance relieving scheme, reduce bone trauma as much as possible and avoid the damage to the adjacent tooth and the lower alveolar nerve. In the existing experimental teaching of the impacted tooth extraction, teaching methods of playing pre-recorded operation videos, teacher clinical teaching and student visitation are mainly adopted, but the methods have certain defects, although students can observe the steps and methods operated by operators, the students are difficult to form own tooth extraction schemes for impacted teeth with different angles and different adjacency relations, and cannot practically experience technical difficulties.
In recent years, with the rapid development of digital medicine, virtual reality, rapid prototyping, simulation operation, surgical simulation navigation systems, and the like have been widely used in clinical practice of oral medicine. The advanced technologies are converted and applied to experimental teaching, and the cultivation of the reserve force of a clinician is greatly facilitated. Therefore, in order to better optimize the experimental teaching of the impacted tooth extraction course and update the teaching design and scheme, some institutes and universities can adopt impacted tooth extraction models for teaching or simulating operation and practice. However, the conventional impacted tooth extraction model has problems of complicated model structure, poor visibility, and poor operability.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model discloses a three-dimensional visual impacted tooth model of extracting tooth to in solving current impacted tooth model of extracting tooth, there is the model structure complicacy, and visual voltinism is not strong and maneuverability is poor problem.
The three-dimensional visual impacted tooth extraction model comprises at least one monomer model;
the monomer model comprises jaw bone components, the jaw bone components comprise a mandible rear part and a mandible lifting part, and a first molar, a second molar and a third molar are arranged on the mandible rear part;
a supporting material is arranged between the third impacted tooth and the back part of the lower jaw body, and the supporting material is water-soluble;
the jaw bone parts are made of transparent materials.
In some of these embodiments, a mandibular nerve canal is provided within the posterior mandibular portion.
In some of these embodiments, the first molar, the second molar, the impacted third molar, and the mandibular nerve canal each have a different color, and the first molar, the second molar, the impacted third molar, and the mandibular nerve canal are each a different color than the jaw component.
In some embodiments, at least one of the axial direction of the impacted third molar, the depth of the impacted third molar in the posterior mandible, and the abutment relationship of the impacted third molar to the adjacent teeth and the mandibular nerve canal is different between any two of the monolithic models.
In some of these embodiments, any of the one-piece molds is a one-piece structure.
In some of these embodiments, the monomer model is formed using a 3D printing process with a photosensitive resin integrated.
In some of these embodiments, the support material has a thickness of 0.5-1.0mm.
In some of these embodiments, the hardness of the material of the first molar, the second molar and the impacted third molar is greater than the hardness of the jaw bone component.
In some of these embodiments, the support material is a polyvinyl alcohol resin.
In some of these embodiments, only three teeth of the first molars, the second molars and the third molar are provided on the posterior mandible.
Above-mentioned utility model has one of following advantage or beneficial effect at least:
1. visualization; be transparent material through setting up jaw part to make first molar, second molar, hinder and give birth to third molar and lower jaw neural tube have different colours respectively, and first molar, second molar, hinder and give birth to third molar and lower jaw neural tube all different with jaw part's colour, in order to do benefit to carry out resistance analysis and scheme design before extracting teeth.
2. The operability is strong; through being provided with supporting material between third molar of hindering life and jaw body rear portion, and this supporting material has the water-solubility, thereby there is the clearance between third molar of messenger's hindering life and the jaw body rear portion, can separate, and then simulation teeth that can be better is cut apart, the process of dislocation of tooth etc., can go on bone removal on this model, cut the crown, divide the root, increase the clearance, simulation operations such as liftout, can restore the operation process that the tooth that hinders of living was pulled out well, thereby the experiment teaching effect has been improved, get into clinical practice for the model user and lay the basis.
3. The structure is simple; include jaw part through setting up the monomer model, this jaw part includes mandible rear portion and mandible lift branch portion, is provided with first molar, second molar and hinders and give birth to the third molar on this mandible rear portion to the structure of tooth extraction model has been simplified.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is the embodiment of the present invention, which is a schematic structural diagram of a three-dimensional visual impacted tooth extraction model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.
As shown in fig. 1, the utility model discloses a three-dimensional visual impacted tooth extraction model, which comprises at least one monomer model (which may comprise one monomer model, two monomer models or more than three monomer models, etc.); the monomer model comprises a jaw bone component 1, the jaw bone component 1 comprises a mandible back part and a mandible lifting part, and a first molar 4, a second molar 3 and a third molar 2 are arranged on the mandible back part; a supporting material (not shown in the figure) is arranged between the impacted third molar 2 and the back part of the mandible, and the supporting material has water solubility; the jaw component 1 is made of transparent material (namely, the rear part of the mandible and the lifting and supporting part of the mandible are made of transparent material). This three-dimensional visual impacted tooth model of extracing tooth when being applied to oral cavity experimental teaching, before the model user carries out the operation of extracing tooth on simulation head mould, the training link of resistance analysis and simulation extracing tooth can be carried out to this three-dimensional visual impacted tooth model of extracing tooth, make it can imagine impacted tooth and adjacent structure relation, the process of extracing tooth avoids damaging adjacent tooth and lower alveolar nerve, this embodiment adopts the supporting material that has water-soluble in the clearance between impacted tooth third molar and lower jaw body rear portion can better simulate tooth body and cut apart, the process that the tooth dislocated etc. to improve experimental teaching effect in the hope, has fine guide effect to model user's clinical operation in future.
In a preferred embodiment of the present invention, a mandibular nerve canal 5 is provided in the posterior part of the mandible body to facilitate observation of the relationship between the impacted teeth and the nerves, which is advantageous for analyzing the cause of complications such as numbness of the lower lip after the operation.
In a preferred embodiment of the present invention, the first molar 4, the second molar 3, the impacted third molar 2 and the mandibular nerve canal 5 have different colors respectively, and the colors of the first molar 4, the second molar 3, the impacted third molar 2 and the mandibular nerve canal 5 are all different from the color of the jaw component 1 (for example, the first molar 4 is white, the second molar 3 is green, the impacted third molar 2 is red, the mandibular nerve canal 5 is red, the jaw component 1 is transparent), so that the structure of the tooth extraction model is more intuitive, and the resistance analysis and the scheme design before tooth extraction are more facilitated, wherein the first molar 4, the second molar 3 and the impacted third molar 2 can be made of opaque materials.
In a preferred embodiment of the present invention, in any two of the above monomer models, at least one of the three parameters of the axial direction of the impacted third molar 2, the depth of the impacted third molar 2 in the rear portion of the mandible, and the adjacent relationship between the impacted third molar 2 and the adjacent teeth and the mandibular nerve canal 5 is different, so that the process of extracting impacted teeth in different situations can be simulated.
In a preferred embodiment of the present invention, any of the above single models is an integrally formed structure, and it is not necessary to splice or bond several components together. Furthermore, the monomer model is formed by adopting photosensitive resin integrated 3D printing, cone beam CT data generated by a specific guiding model can be derived from clinical real cases, three-dimensional reconstruction is carried out on the cone beam CT data, and three-dimensional images are converted into solid physical models by using a three-dimensional printing technology through processes of programming, modeling and the like, namely different monomer models (solid physical models) are converted according to different CT data, so that the monomer model is convenient and quick to manufacture.
In a preferred embodiment of the present invention, the thickness of the supporting material is 0.5-1.0mm (e.g. 0.5mm, 0.6mm, 0.7mm or 1.0mm, etc.), that is, the profile of the impacted third molar 2 is narrowed by 0.5-1.0mm compared with the cone beam CT data, the supporting material is filled when the gap is reserved for three-dimensional printing, and the periodontal ligament structure around the human tooth is simulated by the supporting material, so that the impacted third molar 2 and the jaw component 1 have a gap and can be separated. Meanwhile, the supporting material is water-soluble, and can be dissolved when a turbine sprays water in the tooth extraction process, a gap is created, and smooth dislocation of teeth is facilitated; specifically, the support material may be a water-soluble photosensitive resin such as a polyvinyl alcohol resin.
In a preferred embodiment of the present invention, the hardness of the material of the first molar 4, the second molar 3 and the impacted third molar 2 is greater than the hardness of the jaw bone component 1; therefore, the real situation of the tooth can be better simulated, and the tooth has certain flexibility.
In a preferred embodiment of the present invention, only three teeth of the first molar 4, the second molar 3 and the impacted third molar 2 are provided on the rear part of the mandible, so that the structure of the extraction model is simpler.
Specifically, in the embodiment of the present invention, the above-mentioned impacted tooth extraction model can adopt the whole-course digital design, convert the patient's cone beam CT data into ". Dicom" format, introduce image processing software, carry out three-dimensional reconstruction to the image, define the model region that needs to be made, including impacted third molar 2, adjacent second molar 3 and first molar 4, lower jaw body rear portion and lower jaw ascending and branching portion, lower jaw nerve tube 5. Note that the impacted third molar 2 profile was narrowed by 0.5mm, leaving a gap for filling of the support material for three-dimensional printing. Converting the information into a format of 'stl', importing the information into three-dimensional printing software, composing, designing and rendering each anatomical structure, so that the jaw bone is defined as transparent color, and the teeth and the mandible are defined as color. And printing and molding the color photosensitive resin material by using a white ink filling technology, and finally finishing a visual simulation model which can clearly display the impacted teeth and the adjacent relation thereof and the gap between the impacted teeth and the surrounding jaw area.
To sum up, above-mentioned utility model has one of following advantage or beneficial effect at least:
1. visualization; be transparent material through setting up jaw part to make first molar, second molar, hinder and give birth to third molar and lower jaw neural tube have different colours respectively, and first molar, second molar, hinder and give birth to third molar and lower jaw neural tube all different with jaw part's colour, in order to do benefit to carry out resistance analysis and scheme design before extracting teeth.
2. The operability is strong; through being provided with supporting material between third molar of hindering life and jaw body rear portion, and this supporting material has the water-solubility, thereby there is the clearance between messenger's third molar of hindering life and the jaw bone rear portion, can separate, and then simulation teeth that can be better is cut apart, the process of dislocation of tooth etc., can go on bone removal on this model, cut the crown, the root, increase the clearance, simulation operations such as liftout, can restore the operation process that the tooth that hinders life was pulled out well, thereby the experiment teaching effect has been improved, get into clinical practice for the model user and beat the basis.
3. The structure is simple; include jaw part through setting up the monomer model, jaw part includes mandible rear portion and mandible lift branch portion, is provided with first molar, second molar and hinders and give birth to third molar on this mandible rear portion to the structure of tooth extraction model has been simplified.
4. The simulation performance; the cone beam CT data generated by the guiding model can be derived from clinical real cases, three-dimensional reconstruction is carried out on the cone beam CT data, three-dimensional images are converted into physical models through processes of program design, modeling and the like by using a three-dimensional printing technology, so that the anatomical structure of the impacted teeth and the spatial position relation between the impacted teeth and surrounding important structures can be visually displayed to students, the students can establish a real tooth-jaw-oral cavity spatial concept, and the spatial relation can be better understood.
5. Comprehensiveness and reproducibility; the method can classify clinical collected data according to various classification standards of impacted teeth, respectively make models, can copy in batches, and is suitable for experiment teaching of the undergraduate students and the like.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.
The above description is that of the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (10)
1. A three-dimensional visual impacted tooth extraction model is characterized by comprising at least one monomer model;
the monomer model comprises jaw bone components, the jaw bone components comprise a mandible rear part and a mandible lifting part, and a first molar, a second molar and a third molar are arranged on the mandible rear part;
a supporting material is arranged between the impacted third molar and the rear part of the mandible, and the supporting material is water-soluble;
the jaw bone parts are made of transparent materials.
2. The three-dimensional visualized impacted extraction model of teeth according to claim 1, wherein a mandibular nerve canal is provided in the posterior of the mandible.
3. The three-dimensional visual impacted extracted tooth model of claim 2, wherein the first molar, the second molar, the impacted third molar and the mandibular nerve canal are each different colors, and the first molar, the second molar, the impacted third molar and the mandibular nerve canal are each different colors than the jaw bone component.
4. The impacted tooth extraction model of claim 2, wherein at least one of the axial direction of the impacted third molar, the depth of the impacted third molar in the posterior mandible, and the abutting relationship of the impacted third molar to the adjacent teeth and the mandibular nerve canal is different between any two of the single models.
5. The three-dimensional visual impacted tooth extraction model according to claim 1, wherein any one of the monomer models is an integrally formed structure.
6. The three-dimensional visual impacted tooth extraction model according to claim 5, wherein the single model is formed by 3D printing of photosensitive resin in one piece.
7. The three-dimensional visualization impacted extraction model of claim 1, wherein the thickness of the supporting material is 0.5-1.0mm.
8. The impacted tooth extraction model of claim 1, wherein the hardness of the material of the first molar, the second molar and the impacted third molar is greater than the hardness of the jaw bone component.
9. The impacted tooth extraction model of claim 1, wherein said support material is polyvinyl alcohol resin.
10. The impacted tooth extraction model of claim 1, wherein only three teeth of the first molar, the second molar and the impacted third molar are provided on the rear part of the mandible.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222030431.5U CN218676304U (en) | 2022-08-03 | 2022-08-03 | Three-dimensional visual impacted tooth model of extracing tooth |
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| CN202222030431.5U CN218676304U (en) | 2022-08-03 | 2022-08-03 | Three-dimensional visual impacted tooth model of extracing tooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117132596A (en) * | 2023-10-26 | 2023-11-28 | 天津医科大学口腔医院 | Mandibular third molar generation-retarding type identification method and system based on deep learning |
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- 2022-08-03 CN CN202222030431.5U patent/CN218676304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117132596A (en) * | 2023-10-26 | 2023-11-28 | 天津医科大学口腔医院 | Mandibular third molar generation-retarding type identification method and system based on deep learning |
| CN117132596B (en) * | 2023-10-26 | 2024-01-12 | 天津医科大学口腔医院 | Mandibular third molar generation-retarding type identification method and system based on deep learning |
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