CN210749568U - Dental crown for dental implant posterior tooth restoration - Google Patents
Dental crown for dental implant posterior tooth restoration Download PDFInfo
- Publication number
- CN210749568U CN210749568U CN201921476930.9U CN201921476930U CN210749568U CN 210749568 U CN210749568 U CN 210749568U CN 201921476930 U CN201921476930 U CN 201921476930U CN 210749568 U CN210749568 U CN 210749568U
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- crown
- dental
- groove
- dental crown
- open
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Abstract
A dental crown for dental implant restoration relates to the technical field of medical equipment, and solves the technical problem of avoiding damaging an implant and a central screw. The dental crown comprises a dental crown body, wherein the dental crown body is in the shape of a molar dental crown, and a dental crown groove with a wide mouth and a narrow bottom is formed on the occlusal surface of the dental crown body; the middle of the middle and far ends of the dental crown groove, or the middle end is open, or the far end is open, or the middle and far ends are open; the wall surface of the lingual side groove wall and the wall surface of the buccal side groove wall of the dental crown groove are both curved surfaces which are waved and bent from the far medial side to the near medial side; an inlay is embedded in the dental crown groove, and the shape of the inlay is complementary to that of the dental crown groove. The utility model provides a repair dental crown, which is suitable for the posterior dental position of the dental implant.
Description
Technical Field
The utility model relates to a medical equipment technology, in particular to a technology for repairing dental crowns of implanted teeth.
Background
At present, the dental implant restoration crown has two retention modes of screw retention and bonding retention. When the dental crown fixed by the screw needs to be disassembled due to the problems, the central screw for fixing the implanted dental crown needs to be repeatedly screwed, the fatigue of the central screw is influenced, and the central screw is easy to loosen or break. The problem with prosthetic crowns retained by cementing may require removal, which may require complete destruction of the crown.
These operations all cause an influence on the implant, increase pain and economic burden on the patient, and increase operation difficulty for the doctor.
SUMMERY OF THE UTILITY MODEL
To the defects existing in the prior art, the technical problem to be solved by the utility model is to provide a dental implant posterior tooth restoration crown which is simple and convenient to operate and can effectively avoid damaging the implant and the central screw.
In order to solve the technical problem, the utility model provides a dental crown is restoreed to implant back tooth, including the dental crown body, its characterized in that: the dental crown body is in the shape of a molar dental crown, and a dental crown groove with a wide mouth and a narrow bottom is formed on the occlusal surface of the dental crown body;
the middle of the middle and far ends of the dental crown groove, or the middle end is open, or the far end is open, or the middle and far ends are open;
the wall surface of the lingual side groove wall and the wall surface of the buccal side groove wall of the dental crown groove are both curved surfaces which are waved and bent from the far medial side to the near medial side; an inlay is embedded in the dental crown groove, and the shape of the inlay is complementary to that of the dental crown groove.
Further, both the mesial and distal ends of the crown recess are open.
Furthermore, the groove bottom of the dental crown groove is provided with steps at the near middle end and the far middle end.
Further, the proximal end of the crown recess is open.
Further, the bottom of the groove of the dental crown groove is formed with a step at the proximal middle end.
Further, the distal end of the crown recess is open.
Further, the groove bottom of the dental crown groove is formed with a step at the distal end.
Furthermore, two dental crown grooves with wide mouth and narrow bottom are arranged on the occlusal surface of the dental crown body, wherein the middle near end of one dental crown groove is open, and the middle far end of the other dental crown groove is open.
Further, the trough bottom of the mesial open crown recess is formed with a step at the mesial end and the trough bottom of the distal open crown recess is formed with a step at the distal end.
The utility model provides a dental implant back tooth restores crown can realize restoring dental implant back tooth through changing the inlay and restore crown and the normal adjacent relation of adjacent tooth, need not twist the central screw of fixed planting crown, also need not destroy the crown completely, has made things convenient for operation doctor's operation, has reduced patient's misery, has also effectively avoided the damage to implant, central screw simultaneously, has prolonged the live time of planting tooth.
Drawings
Fig. 1 is a schematic structural view of a dental implant posterior prosthetic crown according to a first embodiment of the present invention;
fig. 2 is an exploded view of a dental implant posterior prosthetic crown according to a first embodiment of the present invention;
fig. 3 is an exploded view of a dental implant posterior prosthetic crown according to a second embodiment of the present invention;
fig. 4 is an exploded view of a dental implant posterior prosthetic crown according to a third embodiment of the present invention.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings, but the present embodiment is not intended to limit the present invention, and all similar structures and similar variations thereof adopted by the present invention should be included in the protection scope of the present invention, and the relations between the numbers of the components in the present invention are shown.
As shown in fig. 1-2, a dental implant post-implantation prosthetic crown according to a first embodiment of the present invention includes a crown body 11, and is characterized in that:
the dental crown body 11 is in the shape of a molar dental crown, a dental crown groove 14 with a wide mouth and a narrow bottom is formed on the occlusal surface of the dental crown body 11, the middle and far ends of the dental crown groove 14 are open, steps 13 are formed at the middle and far ends of the groove bottom of the dental crown groove 14, and the wall surface of a lingual groove wall 15 and the wall surface of a buccal groove wall 16 of the dental crown groove are both curved surfaces which are waved from the middle far side to the middle side; an inlay 12 is placed within the crown recess, the inlay 12 having a shape complementary to the shape of the crown recess 14.
As shown in fig. 3, a dental crown for dental implant posterior restoration according to a second embodiment of the present invention includes a dental crown body 21, and is characterized in that:
the dental crown body 21 is in the shape of a molar dental crown, a dental crown groove 24 with a wide mouth and a narrow bottom is formed on the occlusal surface of the dental crown body 21, the near-middle end of the dental crown groove 24 is open, a step 23 is formed at the near-middle end of the groove bottom of the dental crown groove 24, and the wall surface of the near-lingual groove wall 25 and the wall surface of the near-buccal groove wall 26 of the dental crown groove are curved surfaces which are waved from the far-middle side to the near-middle side; an inlay 22 is placed within the crown recess, the inlay 22 having a shape complementary to the shape of the crown recess 24.
As shown in fig. 4, a dental crown for dental implant restoration according to a third embodiment of the present invention includes a dental crown body 31, and is characterized in that:
the dental crown body 31 is in the shape of a molar dental crown, two dental crown grooves 34 with wide mouth and narrow bottom are arranged on the occlusal surface of the dental crown body 31, wherein the near middle end of one dental crown groove 34 is open, a step 33 is formed at the near middle end of the groove bottom of the dental crown groove 34, the far middle end of the other dental crown groove 34 is open, and a step 33 is formed at the far middle end of the groove bottom of the dental crown groove 34;
the wall surface of the lingual groove wall 35 and the wall surface of the buccal groove wall 36 of the dental crown groove 34 are both curved surfaces which are waved from the distal side to the mesial side; an inlay 32 is placed within the crown recess, the inlay 32 having a shape complementary to the shape of the crown recess 34.
The structure of the fourth embodiment of the present invention is similar to that of the second embodiment, and the fourth embodiment differs from the second embodiment in that: in a fourth embodiment, the distal end of the crown recess is open and the floor of the crown recess is stepped at the distal end.
The utility model discloses each embodiment is suitable for the back tooth position of planting tooth, can realize restoring the back tooth of planting tooth and restoreing the normal adjacent relation of crown and adjacent tooth through changing the inlay, improves the problem of impaction food, prevents the absorption of alveolar ridge, can reduce the damage to planting tooth central screw and crown body, the inlay can take the mould to make the back bonding, also can directly fill into the crown recess with filling material and make;
the narrow shape at the bottom of the mouth widow is designed into to the dental crown recess, does benefit to putting into and taking out of inlay, and the nearly tongue side of dental crown recess, nearly cheek side cell wall design become wave shape, and the step of the nearly middle-end of cooperation dental crown recess tank bottom, far-end can effectual restriction inlay produce the displacement in nearly middle-end, far-end direction for inlay that the inlay can stabilize is inlayed in the dental crown recess.
Claims (9)
1. The utility model provides an implant back tooth restoration crown, includes the crown body, its characterized in that: the dental crown body is in the shape of a molar dental crown, and a dental crown groove with a wide mouth and a narrow bottom is formed on the occlusal surface of the dental crown body;
the middle of the middle and far ends of the dental crown groove, or the middle end is open, or the far end is open, or the middle and far ends are open;
the wall surface of the lingual side groove wall and the wall surface of the buccal side groove wall of the dental crown groove are both curved surfaces which are waved and bent from the far medial side to the near medial side; an inlay is embedded in the dental crown groove, and the shape of the inlay is complementary to that of the dental crown groove.
2. The dental implant posterior prosthetic crown of claim 1, wherein: the mesial and distal ends of the crown recess are open.
3. The dental implant posterior prosthetic crown according to claim 2, wherein: the groove bottom of the dental crown groove is provided with steps at the near-middle end and the far-middle end.
4. The dental implant posterior prosthetic crown of claim 1, wherein: the proximal end of the crown recess is open.
5. The dental implant posterior prosthetic crown of claim 4, wherein: the bottom of the dental crown groove is provided with a step at the middle end.
6. The dental implant posterior prosthetic crown of claim 1, wherein: the distal end of the crown recess is open.
7. The dental implant posterior prosthetic crown of claim 6, wherein: the groove bottom of the dental crown groove is provided with a step at the far middle end.
8. The dental implant posterior prosthetic crown of claim 1, wherein: two dental crown grooves with wide mouth and narrow bottom are arranged on the occlusal surface of the dental crown body, wherein the middle-near end of one dental crown groove is open, and the middle-far end of the other dental crown groove is open.
9. The dental implant posterior prosthetic crown of claim 8, wherein: the bottom of the open-proximal crown recess has a step formed at the proximal end and the bottom of the open-distal crown recess has a step formed at the distal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476930.9U CN210749568U (en) | 2019-09-06 | 2019-09-06 | Dental crown for dental implant posterior tooth restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476930.9U CN210749568U (en) | 2019-09-06 | 2019-09-06 | Dental crown for dental implant posterior tooth restoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749568U true CN210749568U (en) | 2020-06-16 |
Family
ID=71058209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476930.9U Expired - Fee Related CN210749568U (en) | 2019-09-06 | 2019-09-06 | Dental crown for dental implant posterior tooth restoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216805A1 (en) * | 2022-05-10 | 2023-11-16 | 成都康美生医药科技有限公司 | Dental crown of dental implant and dental implant thereof |
-
2019
- 2019-09-06 CN CN201921476930.9U patent/CN210749568U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216805A1 (en) * | 2022-05-10 | 2023-11-16 | 成都康美生医药科技有限公司 | Dental crown of dental implant and dental implant thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |