CN211578214U - Teaching model for peri-implantitis surgery of oral cavity - Google Patents

Abstract

The utility model belongs to the teaching model field, concretely relates to a teaching model for peri-implantitis treatment of oral cavity. Comprises an upper base, a lower base, an upper dental model and a lower dental model, wherein the upper dental model and the lower dental model respectively comprise an alveolar bone, a gum, a dental crown, an implant and an abutment. The upper and lower tooth molds are fixed on the upper and lower bases through alveolar bones, respectively. The alveolar bone is provided with holes which comprise defective holes and standard holes, and the implant is connected with the alveolar bone through threads. The gum cladding is on the alveolar bone, and the lower extreme of abutment inserts in the toper countersunk head hole of implant upper end and passes through screw and implant fastening connection again, and the crown is connected with the upper end of abutment. The utility model discloses a to the improvement of current oral cavity demonstration model structure, remedied the shortcoming of oral cavity implant peri-inflammatory therapy teaching demonstration model, made things convenient for the expansion of oral cavity implant peri-inflammatory therapy teaching.

Description

Teaching model for peri-implantitis surgery of oral cavity

Technical Field

The utility model relates to a teaching model field, concretely relates to a teaching model for operation of oral implant peri-inflammation.

Background

Along with the improvement of living standard of people, people pay more and more attention to oral health. Dental implant technology in the field of dentistry provides strong support for patients with defective teeth, restoring and enhancing chewing function and improving the aesthetic appearance of the face. At present, the oral implantation technology has higher success rate and stability. However, as the time for implanting the implant increases, problems such as alveolar bone defect in the oral cavity of the patient and peri-implantitis occur, which affect the effect of the implant and may eventually lead to the detachment of the implant.

Clinically, experienced stomatologists have a series of corresponding treatment schemes for alveolar bone defects caused by implant implantation, peri-implant inflammation and other problems. In the teaching process, the existing data and teaching models cannot visually display the problems, and the teaching work of the peri-dental-implant inflammation operation is not facilitated to be developed.

Chinese patent document CN204229722U discloses a periodontal surgery teaching model, which comprises a model base, an alveolar bone block, a gum and an artificial tooth, wherein the alveolar bone and the tooth with periodontitis characteristics are adopted, and a simulated gum is combined to simulate a clinical periodontal disease structure and a periodontal surgery operation hand feeling. The structure of the model has limited guiding effect on the teaching of the perioral implantitis operation.

Chinese patent document CN203351115U discloses a periodontal and implant multifunctional training model, which comprises an upper jaw model and a lower jaw model with a bite relationship, wherein the upper jaw model and the lower jaw model respectively have respective fixing seats, alveolar bone, gingiva and dentition. This model can unite two into one dental implant teaching model and periodontal disease teaching model, through the mode of changing activity bone piece and gum, convenient realization two kinds of teaching model's transformation and teaching are many times, used repeatedly. However, the structure of this model does not reflect a simulation of problems such as alveolar bone defects and peri-implantitis.

In conclusion, the existing oral teaching model has certain limitation in the process of inflammatory surgery teaching around oral implants. How can show the problem that the implant implantation oral cavity brought directly perceivedly to and make things convenient for the expansion of oral implant peri-inflammatory surgery teaching is the technical problem that the skilled person is used for awaiting solution.

Disclosure of Invention

The technical problem is as follows: in the process of surgery teaching of peri-oral-implant inflammation, a teaching model is lacked in the prior art.

The technical scheme is as follows: the utility model provides a teaching model for oral implant peri-inflammatory operation, including base and the dental model of fixed connection on the base, the dental model includes the alveolar bone, the gum, the dental crown, implant and base station, the trompil has on the alveolar bone, the trompil includes defect hole and standard hole, be provided with the internal thread in the trompil, the implant is cylinder boss structure, open the implant upper end has the toper countersink, be provided with the internal thread in the toper countersink, the external cylinder surface of implant is provided with the external screw thread, the implant passes through the screw thread and is connected with the alveolar bone, the gum cladding is on the alveolar bone, the lower extreme of base station is the toper boss structure, open the upper end of base station has the cylinder countersink through-hole, the lower extreme of base station inserts in the toper countersink of implant upper end again through screw and implant fastening connection, the dental crown is connected with the.

As preferred, the base includes base and lower base, and the dental cast includes dental cast and lower dental cast, goes up the dental cast and includes the alveolar bone, goes up the gum, goes up the dental crown, goes up implant and last base station, and lower dental cast includes alveolar bone, lower gum, lower dental crown, implant and lower base station down respectively, goes up alveolar bone and last base fixed connection, lower alveolar bone and lower base fixed connection, goes up the base and passes through hinged joint with lower base for the teaching oral cavity state that opens and shuts.

Preferably, the outer diameter of the implant is 3.3mm, 4.1mm or 4.8mm, and the length of the implant can be 8-12 mm.

Preferably, the standard hole is fitted with an external thread on the outer circumferential surface of the implant.

Preferably, the defect hole includes a limbal bone resorption defect hole and a peri-implantitic defect hole, and the size and configuration of the defect hole is determined from clinically acquired CT image data.

Preferably, the number of the holes in the alveolar bone is 16, and the defective holes and the standard holes in the alveolar bone are spaced apart from each other.

Has the advantages that: the utility model discloses an to the improvement of structure, compare in prior art and have following substantive characteristics and progress:

1. the alveolar bone of the teaching model for the oral cavity implantation is provided with the defect hole and the standard hole, so that a student can visually observe bone defects caused by bone absorption around the implant and gaps between the implant and the alveolar bone after the implant is implanted.

2. The size and structure of the defect hole is supported by a large amount of clinical data, the reason for the formation of the defect hole and the subsequent treatment regimen are well documented.

3. The implant, the abutment and the dental crown are structurally designed, the implant is tightly connected with the abutment through screws, and the upper end of the abutment is connected with the dental crown. The operation of the operation during the actual peri-dental-implant inflammation is simulated to the maximum extent, and the development of the teaching of the peri-dental-implant-inflammation operation treatment is facilitated.

4. The teaching model for the peri-implantitis operation can simulate various actual forms such as inflammation after implant implantation and bone defect caused by bone absorption around the implant, so that students can visually observe dozens of conditions of gaps between the implant and alveolar bone on the model, different treatment schemes are selected according to the conditions, and the operation of instruments is simulated on the model during treatment, the model structure overcomes the condition of gingival shielding during actual treatment, the treatment plan is formulated by the model before treatment, and the treatment efficiency can be obviously improved.

Drawings

FIG. 1 is a schematic illustration of a teaching model for dental implantation;

FIG. 2 is a schematic view of the structure of the upper and lower dental cast;

FIG. 3 is a schematic structural view of an implant, an abutment and a crown;

FIG. 4 is an assembly view of FIG. 3;

FIG. 5 is a schematic view of a standard hole and a defective hole on an alveolar bone;

FIG. 6 is a schematic view of a defective cell plaster model on an alveolar bone;

FIG. 7 is a schematic view of a plaster model 1 in which a defective hole on an alveolar bone is combined with an implant;

fig. 8 is a schematic view of a plaster model 2 in which a defective hole on an alveolar bone is combined with an implant.

Reference numerals, an upper base 1, a lower base 2, an upper dental cast 3, a lower dental cast 4, an alveolar bone 5, a gum 6, a dental crown 7, an implant 8, an abutment 9, a screw 10, a standard hole 11, a defect hole 12, a plaster cast 13, a plaster defect hole 14 and a plaster implant 15.

Detailed Description

The detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in figures 1-5, a teaching model for peri-inflammatory surgery of oral implant comprises an upper base 1, a lower base 2, an upper dental model 3 and a lower dental model 4, wherein the upper dental model and the lower dental model respectively comprise an alveolar bone 5, a gum 6, a crown 7, an implant 8 and an abutment 9, the upper dental model and the lower dental model are respectively fixed on the upper base and the lower base through the alveolar bone 5, a hole is formed in the alveolar bone 5 and comprises a defect hole 11 and a standard hole 12, an internal thread is arranged in the hole, the implant 8 is of a cylindrical boss structure, a conical countersunk hole is formed in the upper end of the implant 8, an internal thread is arranged in the conical countersunk hole, an external thread is arranged on the outer cylindrical surface of the implant 8, the implant 8 is connected with the alveolar bone 5 through a thread, the gum 6 is coated on the alveolar bone 5, the lower end of the abutment 9 is of a conical boss structure, a cylindrical countersunk through hole is formed in the upper end of the abutment 9, the lower end of the upper end of the abutment 9 is inserted into the conical countersunk hole of the, the crown 7 is connected to the upper end of the abutment 9, and the upper mold 3 and the lower mold 4 are engaged through the crown 7.

Wherein, upper base 1 and lower base 2 pass through hinged joint for the teaching oral cavity state that opens and shuts.

In the teaching model of this embodiment, the outer diameter of the implant 8 is selected to be 3.3mm, 4.1mm or 4.8mm, and the length of the implant 8 may be 8-12 mm.

The standard hole 11 of the alveolar bone 5 is matched with the external thread of the outer circumferential surface of the implant 8.

The defective hole 12 in the alveolar bone 5 includes a marginal bone resorption defective hole and a peri-implantitis defective hole, and the size and structure of the defective hole 12 are determined based on clinically acquired CT image data.

The number of the holes on the alveolar bone 5 is 16, and the defective holes 12 and the standard holes 11 on the alveolar bone 5 are spaced apart from each other.

When in use, the disassembly process is as follows: the upper and lower bases can be separated, and the crown 7 can be separated from the implant 8 and the abutment 9. The student can unscrew the screw 10 using a tool so that the implant 8 is separated from the abutment 9. The student further uses the tool operation to remove the implant 8 from the alveolar bone 5. The gingiva 6 coated on the alveolar bone 5 can be completely peeled off, and after the gingiva 6 is peeled off, the student can further observe the formation of the defect hole 12 and the gap between the implant 8 and the alveolar bone 5.

When the implant 8 is to be implanted in a simulated operation on the teaching model, the student uses a tool to place the implant 8 in the standard hole 11, assuming that the standard hole 11 for implantation has already been drilled in the alveolar bone 5. Further, a base 9 is attached and fixed to the implant 8 with screws 10 through the base 9. Finally, the crown 7 is attached to the abutment 9.

As shown in Figs. 6 to 8, the symptoms of inflammation after the implant is implanted are shown on the cast 13, and the defect hole 14 of the plaster and the implant 15 of the plaster simulate the defect of the alveolar bone around the real implant.

The present invention is not limited to the specific technical solutions described in the above embodiments, and other embodiments can be provided in addition to the above embodiments. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like that are made within the spirit and principle of the present invention are within the scope of the present invention.

Claims (6)

1. The utility model provides a teaching model for oral implant peri-inflammatory surgery, includes base and the dental model of fixed connection on the base, its characterized in that, the dental model includes alveolar bone, gum, dental crown, implant and base station, the trompil has on the alveolar bone, the trompil includes defect hole and standard hole, be provided with the internal thread in the trompil, the implant is cylinder boss structure, the implant upper end is opened there is the toper countersink, be provided with the internal thread in the toper countersink, the outer cylinder surface of implant is provided with the external screw thread, the implant pass through the screw thread with the alveolar bone is connected, the gum cladding is on the alveolar bone, the lower extreme of base station is the toper boss structure, the upper end of base station is opened has the cylinder countersink through-hole, the lower extreme of base station insert in the toper countersink of implant upper end again through the screw with implant fastening connection, the dental crown is connected with the upper end of the abutment.

2. The demonstration model for peri-implantitis surgery of claim 1, wherein the base comprises an upper base and a lower base, the dental cast comprises an upper dental cast and a lower dental cast, the upper dental cast comprises an upper alveolar bone, an upper gum, an upper dental crown, an upper implant and an upper abutment, the lower dental cast comprises a lower alveolar bone, a lower gum, a lower dental crown, a lower implant and a lower abutment, respectively, the upper alveolar bone is fixedly connected with the upper base, the lower alveolar bone is fixedly connected with the lower base, and the upper base and the lower base are connected by a hinge.

3. The model of claim 1, wherein the implant has an outer diameter of 3.3mm, 4.1mm or 4.8mm and a length of 8-12 mm.

4. The teaching model of claim 1 wherein said standard hole is adapted to mate with external threads on the outer circumferential surface of said implant.

5. The teaching model of claim 1 wherein said defect hole comprises a limbal bone resorption defect hole and a peri-implantitis defect hole, said defect hole being sized and configured according to clinically collected CT image data.

6. The teaching model for peri-implantitis surgery of claim 1, wherein the number of the holes on the alveolar bone is 16, and the defective holes and the standard holes on the alveolar bone are spaced apart from each other.

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