CN114948299A - Design method of temporary prosthesis - Google Patents
Design method of temporary prosthesis Download PDFInfo
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- CN114948299A CN114948299A CN202210534234.9A CN202210534234A CN114948299A CN 114948299 A CN114948299 A CN 114948299A CN 202210534234 A CN202210534234 A CN 202210534234A CN 114948299 A CN114948299 A CN 114948299A
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- Prior art keywords
- temporary
- crown
- sleeve
- gum penetrating
- height
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C2008/0084—Provisional implants or abutments
Abstract
The embodiment of the invention provides a design method of a temporary prosthesis, and relates to the field of oral implantation. The design method of the temporary restoration comprises the steps of prefabricating a plurality of gum penetrating sleeves matched with the temporary abutment, prefabricating a plurality of crown sleeves matched with the gum penetrating sleeves, clinically installing the temporary abutment, and selecting the gum penetrating sleeves matched with the temporary abutment, the crown sleeves and the temporary abutment to be assembled to form the temporary restoration. The design method is characterized in that the gum penetrating sleeve and the crown sleeve are prefabricated, and the gum penetrating sleeve and the crown sleeve matched with the temporary abutment are selected clinically, so that the gum penetrating form of the temporary restoration can be formed at one time, the clinical operation time is reduced, and the cost is saved.
Description
Technical Field
The invention relates to the field of oral implantation, in particular to a design method of a temporary prosthesis.
Background
At present, the manufacture of temporary crowns for pre-implant teeth can be divided into two methods:
the manual plastic piling method has the defects that the gum penetrating form design of a temporary crown is not in standard theorem, the final design effect is very dependent on the clinical experience and the operation technology of a doctor, the operation time beside a chair is long, and the waiting time of a patient is long.
The digital technical method has the defects of complicated steps and high manufacturing cost because the planting guide plate needs to be matched and used. In addition, the gum penetrating part of the temporary restoration, which is connected with the dental crown and the temporary abutment, still needs to be subjected to resin material stacking and molding by a doctor, and the gum penetrating shape is irregular.
In conclusion, the method for manufacturing the temporary crown of the pre-implant tooth in the prior art has the problems that the temporary restoration body is difficult to penetrate through the gingival part, the steps are complicated, the operation time is long, and the manufacturing cost is high.
Disclosure of Invention
The invention provides a design method of a temporary restoration, which can form the gingival penetrating form of the temporary restoration at one time, reduce the operation time and has lower cost.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a design method of a temporary prosthesis, which comprises the following steps:
prefabricating a plurality of gum penetrating sleeves matched with the temporary abutment;
prefabricating a plurality of crown sleeves matched with the gum penetrating sleeves;
and clinically installing the temporary abutment, and selecting the gum penetrating sleeve and the crown sleeve which are matched with the temporary abutment to be assembled with the temporary abutment to form a temporary restoration.
Optionally, before the step of prefabricating the plurality of gingival penetrating sleeves matched with the temporary abutment, the method for designing the temporary restoration further comprises the following steps of:
and acquiring the diameter and the height of the temporary abutment, and determining the size of the gum penetrating sleeve according to the diameter and the height of the temporary abutment.
Optionally, the step of prefabricating a plurality of gum penetrating sleeves adapted to the temporary abutment comprises:
prefabricating the height of the cylindrical part according to the height of the temporary base platform and the inner diameter of the lower end of the diameter prefabricating circular table part of the temporary base platform;
wherein, the round table part and the cylindrical part are assembled to form the gum penetrating sleeve.
Optionally, the diameter of the upper end of the circular table part of each gum penetrating sleeve is different, the gum penetrating height of the circular table part of each gum penetrating sleeve is different, and the gum penetrating angle of the circular table part of each gum penetrating sleeve is different.
Optionally, the thickness of the gum penetrating sleeve ranges between 0.3mm and 0.5 mm.
Optionally, the step of prefabricating a plurality of crown sleeves adapted to the gum penetrating sleeve comprises:
the height of the clinical dental crown is obtained, and the height of the crown sleeve is determined according to the height of the clinical dental crown.
Optionally, the lower end of the crown sleeve is circular, and the inner diameter of the lower end of the crown sleeve is larger than the diameter of the cylindrical part.
Optionally, the clearance between the inner diameter of the lower end of the crown sleeve and the diameter of the cylindrical portion ranges from 0.03mm to 0.05 mm.
Optionally, after the step of obtaining the height of the clinical dental crown and preparing the height of the crown sleeve according to the height of the clinical dental crown, the method for designing the temporary prosthesis further comprises:
and sleeving the crown sleeve on the gum penetrating sleeve, and injecting a resin material into the crown sleeve.
Optionally, the gum penetrating sleeve is a resin gum penetrating sleeve, and the crown sleeve is a resin crown sleeve.
The beneficial effects of the temporary prosthesis design method of the embodiment of the invention include, for example:
the design method of the temporary restoration comprises the steps of prefabricating a plurality of gum penetrating sleeves matched with the temporary abutment, prefabricating a plurality of crown sleeves matched with the gum penetrating sleeves, clinically installing the temporary abutment, and selecting the gum penetrating sleeves matched with the temporary abutment, the crown sleeves and the temporary abutment to be assembled to form the temporary restoration. The design method is characterized in that the gum penetrating sleeve and the crown sleeve are prefabricated, and the gum penetrating sleeve and the crown sleeve matched with the temporary abutment are selected clinically, so that the gum penetrating form of the temporary restoration can be formed at one time, the clinical operation time is reduced, and the cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a temporary prosthesis provided in this embodiment;
fig. 2 is a flowchart of a method for designing a temporary prosthesis according to this embodiment;
fig. 3 is a flowchart of step S2 in the method for designing a temporary prosthesis according to this embodiment;
fig. 4 is a flowchart of step S3 in the method for designing a temporary prosthesis according to this embodiment.
Icon: 10-threading the gum cover; 11-a circular table portion; 12-a cylindrical portion; 20-crown sheathing; 30-a temporary abutment; 100-temporary prosthesis.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The dental implant temporary prosthesis is generally prepared by making a crown shape on a temporary abutment, and then positioning and fixing the temporary abutment and an implant. Structurally, the temporary prosthesis can be divided into two parts: a gum penetrating portion and a crown portion. The dental crown part can mainly restore the appearance of the missing teeth of the patient, meet the social requirement of the patient and relieve the psychological burden caused by the missing teeth. The gum penetrating part on the temporary prosthesis aims to form a healthy and good cuff structure, which is beneficial to finely adjusting the form of the soft tissue around the implant and remolding the position of the gingival margin, so that the structures of the gingival margin, the gingival papilla and the like around the implant are coordinated with the natural adjacent teeth, and the aesthetic requirement of the implanted teeth is met.
At present, the manufacture of temporary crowns for pre-implant teeth can be divided into two methods:
the manual plastic piling method has the defects that the gum penetrating form design of a temporary crown is not in standard theorem, the final design effect is very dependent on the clinical experience and the operation technology of a doctor, the operation time beside a chair is long, and the waiting time of a patient is long.
The digital technical method has the defects of complicated steps and high manufacturing cost because the planting guide plate needs to be matched and used. In addition, the gum penetrating part of the temporary restoration, which is connected with the dental crown and the temporary abutment, still needs to be subjected to resin material stacking and molding by a doctor, and the gum penetrating shape is irregular.
In conclusion, the method for manufacturing the temporary crown of the pre-implant tooth in the prior art has the problems that the temporary restoration body is difficult to penetrate through the gingival part, the steps are complicated, the operation time is long, and the manufacturing cost is high.
Referring to fig. 1-4, the present embodiment provides a method for designing a temporary prosthesis 100, which can effectively improve the above-mentioned technical problems, reduce the operation time, and reduce the cost.
The design method of the temporary prosthesis 100 includes:
s1: acquiring the diameter and the height of the temporary abutment 30, and determining the size of the gum penetrating sleeve 10 according to the diameter and the height of the temporary abutment 30;
in the present embodiment, the temporary stage 30 is scanned by a scanner, so as to obtain two data of the diameter and the height of the temporary stage 30. Specifically, the temporary stage 30 may be scanned using a bin scan scanner.
More, the size of the gum penetrating sleeve 10 refers to the diameter and height of the gum penetrating sleeve 10.
S2: prefabricating a plurality of gum penetrating sleeves 10 matched with the temporary abutment 30;
specifically, the diameter and the height of the gum penetrating sleeve 10 are designed in CAD software, and after the diameter and the height of the gum penetrating sleeve 10 are determined, the gum penetrating sleeve 10 is manufactured.
Wherein, the step of prefabricating a plurality of gum cover 10 matching with the temporary abutment 30 comprises:
referring to fig. 3 in conjunction with fig. 2, S21: the inner diameter of the lower end of the circular truncated cone portion 11 is prepared according to the diameter of the temporary abutment 30, and the height of the cylindrical portion 12 is prepared according to the height of the temporary abutment 30, and the circular truncated cone portion 11 and the cylindrical portion 12 are assembled to form the gum penetrating sleeve 10, wherein the cylindrical portion 12 is arranged at the upper end of the circular truncated cone portion 11.
Specifically, the circular table portion 11 and the cylindrical portion 12 are both hollow structures.
Due to the fact that the oral cavity to be repaired has individual difference, the matched gum penetrating sleeves 10 are selected and used according to actual conditions in clinic, the upper end diameters of the round table parts 11 of the gum penetrating sleeves 10 are different, the gum penetrating heights of the round table parts 11 of the gum penetrating sleeves 10 are different, and the gum penetrating angles of the round table parts 11 of the gum penetrating sleeves 10 are different.
It can be understood that the transgingival height of the circular truncated part 11 is the height of the circular truncated part 11, and the transgingival angle of the circular truncated part 11 is shown as a in fig. 1.
Wherein, the upper end diameter of the circular truncated cone part 11 can be 6mm, 7mm or 8 mm.
The transgingival height of the dome 11 may be 1mm, 2mm, 3mm, 4mm or 5 mm.
The transgingival angle of the dome 11 may be 0 degrees, 15 degrees or 25 degrees.
More, the thickness of the gum penetrating sleeve 10 ranges between 0.3mm and 0.5 mm.
S3: prefabricating a plurality of crown sleeves 20 matched with the gum penetrating sleeves 10;
specifically, the diameter and height of the crown 20 are designed in CAD software, and after the diameter and height of the crown 20 are determined, the crown 20 is manufactured.
In this embodiment, the step of preparing a plurality of crown sleeves 20 adapted to fit the gum penetrating sleeve 10 comprises:
referring to fig. 4 in conjunction with fig. 2, S31: the height of the clinical crown is obtained and the height of the crown cover 20 is determined according to the height of the clinical crown.
Specifically, the crown 20 is the same height as the clinical crown.
The crown cover 20 is a hollow structure, and the lower end of the crown cover 20 is circular.
Wherein, the thickness range of the crown cover 20 is 0.3mm-0.5 mm.
The inner diameter of the lower end of the crown 20 is larger than the diameter of the cylindrical portion 12.
In order to facilitate the connection of the crown sleeve 20 and the gum penetrating sleeve 10 and the small adjustment, the clearance between the inner diameter of the lower end of the crown sleeve 20 and the diameter of the cylindrical part 12 is in the range of 0.03mm-0.05 mm.
After the step of obtaining the height of the clinical dental crown and preparing the height of the crown sleeve 20 according to the height of the clinical dental crown, the designing method of the temporary prosthesis 100 further includes:
s32: the crown cap 20 is fitted over the gum penetrating cap 10, and a resin material is injected into the crown cap 20.
Specifically, before the crown cover 20 and the gum cover 10 are connected through the resin material, the upper part of the cylindrical part 12 of the gum cover 10 is ground;
specifically, the crown 20 is fitted over the cylindrical portion 12.
More, the gum penetrating sleeve 10 and the crown sleeve 20 are manufactured by 3D printing.
S4: the temporary abutment 30 is clinically installed, and the gingival penetration sleeve 10 and the crown sleeve 20 which are matched with the temporary abutment 30 are selected to be assembled with the temporary abutment 30 to form the temporary prosthesis 100.
In this embodiment, the gum penetrating sleeve 10 is a resin gum penetrating sleeve, and the crown sleeve 20 is a resin crown sleeve. In other embodiments, the gum penetrating sleeve 10 may also be a fully porcelain gum penetrating sleeve, and the crown sleeve 20 may also be a fully porcelain crown sleeve.
When the temporary restoration 100 is used, a proper temporary abutment 30 is selected, then the gum penetrating sleeve 10 with proper height, width and angle is selected, a cotton ball is placed in the temporary abutment 30, the resin material is filled in the gum penetrating sleeve 10, then the gum penetrating sleeve 30 is sleeved with the temporary abutment 30, the temporary abutment 30 is tightly connected with the gum penetrating sleeve 10, after the resin material is completely cured, the redundant resin material at the joint of the gum penetrating sleeve 10 and the temporary abutment 30 is removed, the upper section of the round post part 12 of the gum penetrating sleeve is ground until the crown sleeve 20 can be sleeved, then the resin material is filled in the crown sleeve 20, the crown sleeve 20 is sleeved on the upper part of the gum penetrating sleeve 10 and adjusted to a proper position, the resin material is waited to be completely cured, and finally the redundant resin material at the joint of the crown sleeve 20 and the gum penetrating sleeve 10 is removed, and then polishing is carried out. Grinding a perforation channel on the temporary prosthesis 100, connecting and screwing the temporary abutment 30 and the implant, placing a cotton ball, and finally sealing and blending by using a resin material.
In summary, the embodiment of the present invention provides a method for designing a temporary prosthesis 100, and the method for designing a temporary prosthesis 100 can directly use a prefabricated temporary prosthesis 100 without depending on the operation technique of a physician, thereby reducing the operation difficulty of a user.
Thirdly, the design method of the temporary prosthesis 100 can greatly shorten the clinical operation time, and through the use of the prefabricated gum penetrating sleeve 10 and the prefabricated crown sleeve 20, the gum penetrating part and the dental crown of the temporary prosthesis 100 are respectively formed at one time without adjusting a mold.
In the design method of the temporary prosthesis 100, the prefabricated crown sleeve 20 and the gum penetrating sleeve 10 are still slightly adjusted after being connected, so that the requirement of free hand operation of a doctor can be met, the guide of an implantation guide plate is not needed, the temporary prosthesis can be adapted to various implantation systems, the cost is greatly reduced, and the operation is simplified.
The design method of the temporary restoration 100 comprises the steps of prefabricating a plurality of gum penetrating sleeves 10 matched with the temporary abutment 30, prefabricating a plurality of crown sleeves 20 matched with the gum penetrating sleeves 10, clinically installing the temporary abutment 30, and selecting the gum penetrating sleeves 10 matched with the temporary abutment 30, assembling the crown sleeves 20 and the temporary abutment 30 to form the temporary restoration 100. The gum penetrating sleeve 10 and the crown sleeve 20 which are matched with the temporary abutment 30 are prefabricated by the design method, and only the gum penetrating sleeve 10 and the crown sleeve 20 which are matched with the temporary abutment 30 need to be clinically selected, so that the gum penetrating form of the temporary restoration 100 can be formed in one step, the clinical operation time is reduced, and meanwhile, the cost is saved.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for designing a temporary prosthesis, comprising:
prefabricating a plurality of gum penetrating sleeves (10) matched with the temporary abutment (30);
prefabricating a plurality of crown sleeves (20) matched with the gum penetrating sleeves (10);
the temporary abutment (30) is clinically installed, and the gum penetrating sleeve (10) and the crown sleeve (20) which are matched with the temporary abutment (30) are selected to be assembled with the temporary abutment (30) to form a temporary restoration body (100).
2. The temporary prosthesis design method as set forth in claim 1, characterized in that, prior to said step of preparing a plurality of gum penetrating pockets (10) adapted to the temporary abutment (30), the temporary prosthesis design method (100) further comprises:
the diameter and the height of the temporary abutment (30) are obtained, and the size of the transgingival sleeve (10) is determined according to the diameter and the height of the temporary abutment (30).
3. The method of designing a temporary prosthesis according to claim 1, wherein the step of prefabricating a plurality of gum penetrating sleeves (10) fitted to the temporary abutment (30) comprises:
prefabricating the height of the cylindrical portion (12) according to the height of the temporary base table (30) according to the lower end inner diameter of the diameter prefabrication circular table portion (11) of the temporary base table (30);
wherein the circular truncated cone part (11) and the cylindrical part (12) are assembled to form the gum penetrating sleeve (10).
4. The temporary prosthesis design method according to claim 3, characterized in that the upper end diameter of the circular truncated part (11) of each of the gum penetrating sleeves (10) is different, and the gum penetrating height of the circular truncated part (11) of each of the gum penetrating sleeves (10) is different and the gum penetrating angle of the circular truncated part (11) of each of the gum penetrating sleeves (10) is different.
5. The method for designing a temporary prosthesis according to claim 3, wherein the thickness of the gum penetrating sheath (10) ranges between 0.3mm and 0.5 mm.
6. The temporary prosthesis design method as set forth in claim 5, characterized in that said step of prefabricating a plurality of crown sleeves (20) adapted to said gum penetrating sleeve (10) comprises:
the height of a clinical dental crown is obtained and the height of the crown shell (20) is determined from the height of the clinical dental crown.
7. The temporary prosthesis design method according to claim 6, characterized in that the lower end of the crown sleeve (20) is circular, and the inner diameter of the lower end of the crown sleeve (20) is larger than the diameter of the cylindrical portion (12).
8. The temporary prosthesis design method according to claim 7, characterized in that the clearance between the lower end inner diameter of the crown sleeve (20) and the diameter of the cylindrical portion (12) ranges between 0.03mm and 0.05 mm.
9. The method of designing a temporary prosthesis according to claim 6, wherein after the step of obtaining the height of the clinical dental crown and prefabricating the height of the crown (20) according to the height of the clinical dental crown, the method of designing a temporary prosthesis (100) further comprises:
sleeving the crown sleeve (20) on the gum penetrating sleeve (10), and injecting resin materials into the crown sleeve (20).
10. The temporary prosthesis design method according to any one of claims 1-9, characterized in that the gum penetrating sleeve (10) is a resin gum penetrating sleeve and the crown sleeve (20) is a resin crown sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534234.9A CN114948299A (en) | 2022-05-17 | 2022-05-17 | Design method of temporary prosthesis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534234.9A CN114948299A (en) | 2022-05-17 | 2022-05-17 | Design method of temporary prosthesis |
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| CN202210534234.9A Pending CN114948299A (en) | 2022-05-17 | 2022-05-17 | Design method of temporary prosthesis |
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