CN209996504U - Sleeve crown - Google Patents
Sleeve crown Download PDFInfo
- Publication number
- CN209996504U CN209996504U CN201920301512.XU CN201920301512U CN209996504U CN 209996504 U CN209996504 U CN 209996504U CN 201920301512 U CN201920301512 U CN 201920301512U CN 209996504 U CN209996504 U CN 209996504U
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- China
- Prior art keywords
- crown
- coping
- present
- sleeve
- inner crown
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- 230000010485 coping Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000009975 flexible effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Pens And Brushes (AREA)
Abstract
The utility model provides an kinds of sleeve crown has solved the longer back of sleeve crown live time among the prior art, because often contact between inner crown and the outer crown for become between inner crown and the outer crown smooth, lead to the problem that outer crown drops, the embodiment of the utility model provides a sleeve crown, establish including inner crown and cover the outer crown of inner crown lateral wall, the lateral wall of inner crown is provided with slide and at least recesses, the inside wall of outer crown be provided with the protruding that at least recesses correspond, the embodiment of the utility model provides a sleeve crown is through setting up at least recesses at the lateral wall of inner crown, and the maintenance power between inner crown and the outer crown is strengthened with the protruding that corresponds of at least recesses at the inside wall setting of outer crown to avoid droing of outer crown, set up the slide through the lateral wall at inner crown simultaneously, at the in-process that outer crown and inner crown registrate, make protruding the sliding path that slides and come to carry on spacingly in the slide to the outer crown to avoid appearing the phenomenon of rocking about.
Description
Technical Field
The utility model relates to an oral treatment technical field, concretely relates to kinds of sleeve crowns.
Background
The coping is kinds of fixed-movable combined restorations, and the coping refers to a problem that an inner layer of crown is adhered to an abutment by manufacturing a double-layer crown with high tightness, an outer layer of crown is arranged in a denture, and the denture is fixed by friction force generated by tightness between the inner crown and the outer crown.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention is directed to provide kinds of socket crowns, so as to solve the problem that after the socket crown in the prior art is used for a long time, the socket crown is smooth due to frequent contact between the inner crown and the outer crown, which results in the outer crown falling off.
The utility model discloses aspect provides kinds of sleeve crowns, establish the outer hat at interior hat lateral wall including interior hat and cover, the lateral wall of interior hat is provided with slide and at least recesses, and the inside wall of outer hat is provided with the arch that corresponds with recesses at least.
In embodiments, the runners extend from the top of the coping to a groove near the bottom of the coping.
In embodiments, the protrusion is connected to the outer crown by a resilient element.
In embodiments, the resilient element is a spring or leaf.
In embodiments, the protrusions are spheres or cylinders or prisms.
In embodiments, the depth of the runners is less than the depth of the grooves.
In embodiments, the coping portion and the coping portion have a gap of 0.2mm to 1mm therebetween.
In embodiments, it is preferable that the crown of the inner crown and the outer crown have a gap of 0.3mm to 0.5mm between them.
In examples, the angle of cohesion of the coping was 4-10 °.
In embodiments, the angle of cohesion of the coping is preferably 6-8 °.
The embodiment of the utility model provides an kinds of sleeve crowns, be provided with at least recesses through the lateral wall at the inner crown to the inside wall at the outer crown is provided with the maintenance power that strengthens between inner crown and the outer crown with the protruding that corresponds with at least recesses, in order to avoid droing of outer crown, be provided with the slide through the lateral wall at the inner crown simultaneously, at the in-process that outer crown and inner crown registrate, make protruding sliding in the slide come to carry on spacingly to the route of sliding of outer crown, in order to avoid appearing the phenomenon of rocking about the outer crown.
Drawings
Fig. 1 is a schematic structural view of embodiments of the present invention.
Fig. 2 is a schematic structural view of another embodiments of the present invention.
Fig. 3 is a schematic structural diagram of a sleeve crown according to another embodiments of the present invention.
Fig. 4 is a schematic structural view of another embodiments of the present invention.
Fig. 5 is a schematic structural view of embodiments of the present invention, showing a collet cap including an elastic element.
Fig. 6 is a schematic structural view of another embodiments of the present invention, showing a collet cap including an elastic element.
Fig. 7 is a schematic structural view of a collet cap including resilient members and protrusions according to further embodiments of the present invention.
Fig. 8 is a schematic structural view of embodiments of the present invention, showing a sleeve crown including protrusions.
Fig. 9 is a schematic structural view of another embodiments of the present invention showing a collet cap with protrusions.
Fig. 10 is a schematic structural view of a sleeve crown having a gap between an inner crown and an outer crown according to embodiments of the present invention.
Fig. 11 is a schematic structural view of a sleeve crown without a gap between an inner crown and an outer crown according to embodiments of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of , but not all embodiments.
Fig. 1 is a schematic structural diagram of embodiments of the present invention, which is shown in fig. 1, the present invention includes a crown 11 and an outer crown 12 installed on the outer sidewall of the crown 11, the outer sidewall of the crown 11 is provided with a slideway 13 and at least grooves 14, and the inner sidewall of the outer crown 12 is provided with protrusions 15 corresponding to at least grooves 14.
It should be understood that the outer sidewall of the inner crown 11 refers to sidewalls close to the outer crown 12, including outer sidewalls on the left and right, and the inner sidewall of the outer crown 12 refers to sidewalls close to the inner crown 11, including inner sidewalls on the left and right, the outer sidewall of the inner crown 11 is provided with the slideways 13 and at least grooves 14, the embodiment of the present invention does not limit the number of the slideways 13, the number of the slideways 13 is determined according to the grooves 14, that is, if the inner crown 11 is only provided with the grooves 14 on the outer sidewall on the left side or the right side, slideways 13 need to be provided on the left side or the right side, if the outer sidewalls on the left side and the right side of the inner crown 11 are both provided with the grooves 14, slideways 13 need to be provided on the outer sidewalls on the left side and the right side, and the slideways 13 are used in the process of mutually nesting the inner crown 11 and the outer crown 12, so that the protrusions 15 can slide in the slideways 13 to limit the sliding path of the.
It should be noted that the embodiment of the present invention does not limit the number of the grooves 14, the number of the grooves 14 is only required to be equal to or greater than , and the embodiment of the present invention also does not limit the distribution manner of the grooves 14 on the left side and the right side of the inner crown 11, that is, the grooves 14 on the outer side walls on the left side and the right side of the inner crown 11 may be distributed asymmetrically as shown in fig. 1, or symmetrically as shown in fig. 2. the number of the protrusions 15 is determined by the number of the grooves 14, grooves 14 correspond to protrusions 15, and the grooves 14 and the protrusions 15 which are mutually embedded can enhance the retention force between the inner crown 11 and the outer crown 12, so as to avoid the outer crown 12 from falling off.
In the embodiments of the present invention, as shown in fig. 1, the slideway 13 extends from the top a of the coping 11 to the groove 14 near the bottom B of the coping 11.
It should be understood that the top of the inner crown 11 refers to the position a shown in fig. 1, the bottom of the inner crown 11 refers to the position B shown in fig. 1, and the grooves 14 close to the bottom B of the inner crown 11 refer to the grooves 14 closest to the bottom B of the inner crown 11, because the slideway 13 is used to slide the protrusion 15 in the slideway 13 and finally slide into the corresponding grooves 14 in the process of nesting the inner crown 11 and the outer crown 12, it is preferable that the slideway 13 has a length from the top a of the inner crown 11 to the grooves 14 closest to the bottom B of the inner crown 11, however, the length of the slideway 13 is not limited by the embodiment of the present invention, and the slideway 13 may be set from the top a of the inner crown 11 to the bottom B of the inner crown 11, or between the top a of the inner crown 11 and the grooves 14 closest to the bottom B of the inner crown 11.
The present invention provides embodiments, wherein the cross-sectional shape of the slideway 13 can be any of the following shapes, namely arc shape, rectangle shape and U shape, the embodiments of the present invention do not limit the shape of the slideway 13, as long as the protrusion 15 can be limited therein, meanwhile, the embodiments of the present invention also do not limit the combination form of the slideway 13, for example, if the sleeve crown comprises two slideways 13, the cross-sections of the two slideways 13 can be both arc shape or rectangle shape or U shape, the cross-sections of the two slideways 13 can also be arc shape, and the other rectangle shape or U shape.
In the embodiments of the present invention, as shown in fig. 2-4, the cross-sectional shape of the groove 14 can be any of the following shapes, i.e. arc, rectangle and U-shape, the embodiments of the present invention do not limit the shape of the groove 14, as long as the groove can be embedded with the protrusion 15, and the embodiments of the present invention also do not limit the combination form of the groove 14, for example, if the sleeve crown includes two grooves 14, the cross-section of the two grooves 14 can be the arc as shown in fig. 2, the cross-section of the two grooves 14 can also be the rectangle as shown in fig. 3, the cross-section of the two grooves 14 can also be arcs as shown in fig. 4, and another rectangles.
In the embodiments of the invention, the protrusion 15 is connected to the outer crown 12 by means of an elastic element 51, as shown in fig. 5.
It should be understood that the elastic element 51 is connected with the outer crown 12, and the protrusion 15 is pushed out of the inner sidewall of the outer crown 12 by the elastic element 51, during the process that the inner crown 11 and the outer crown 12 are mutually sleeved, the elastic element 51 continuously changes the elastic variable thereof to maintain the protrusion 15 in the slideway 13 of the inner crown 11, and finally the protrusion 15 is scratched into the corresponding groove 14, when the protrusion 15 is scratched into the groove 14, the elastic variable of the elastic element 51 is in the minimum state, the number of the elastic elements 51 is not limited by the embodiment of the present invention, the number of the elastic elements 51 is determined by the number of the protrusions 15, and protrusions 15 correspond to elastic elements 51.
In the utility model discloses an embodiments, recesses 14 that are nearest apart from the bottom B of inner crown 11 mean that the distance that sets up apart from the bottom B of inner crown 11 is recess 14 between 2mm-3mm, and the gomphosis effect that is located recess 14 between 2mm-3mm and corresponding protruding 15 is most firm, if this recess 14 sets up and is less than 2mm apart from the bottom B of inner crown 11, then at the in-process that inner crown 11 and outer crown 12 registrate each other, elastic element 51 will not have the space of popping out, then will not have flexible effect with protruding 15 that this recess 14 corresponds, just can't carry out normal taking off yet to user's experience has been reduced.
In the embodiments of the present invention, as shown in fig. 5-7, the elastic element 51 is a spring or a shrapnel, the embodiments of the present invention do not limit what kind of structure the elastic element 51 is made of, as long as the structure of the elastic element 51 has fixed elastic variables, and the protrusion 15 can be maintained in the slideway 13 and the groove 14, meanwhile, the embodiments of the present invention do not limit the combination form of the elastic element 51, for example, if the sleeve crown includes two elastic elements 51, the two elastic elements 51 may be springs as shown in fig. 5, the two elastic elements 51 may also be shrapnels as shown in fig. 6, the two elastic elements 51 may also be springs as shown in fig. 7, and the other shrapnels.
In the embodiments of the present invention, the material of the elastic element 51 includes a flexible metal or a flexible rubber, and the embodiments of the present invention do not limit what kind of material the elastic element 51 is made of, as long as the elastic variable of is provided, the protrusion 15 can be maintained in the slide 13 of the inner crown 11 by the elastic variable, and finally the protrusion is scratched into the groove 14.
In the embodiments of the present invention, as shown in fig. 7-9, the protrusions 15 are spheres, cylinders or prisms, the embodiments of the present invention do not limit the shape of the protrusions 15, as long as they can be embedded with the grooves 14, and the embodiments of the present invention do not limit the combination of the protrusions 15, for example, if the sleeve crown includes two protrusions 15, the two protrusions 15 can be spheres as shown in fig. 7, the two protrusions 15 can also be cylinders as shown in fig. 8, the two protrusions 15 can also be spheres as shown in fig. 9, and cylinders.
In the embodiments of the present invention, the depth of the slideway 13 is less than the depth of the groove 14. it should be understood that the depth of the slideway 13 and the depth of the groove 14 refer to the distance between the slideway 13 and the groove 14 recessed into the outer side wall of the inner crown 11. when the depth of the slideway 13 is less than the depth of the groove 14, the protrusion 15 can only be caused to dig into the groove 14 from the slideway 13, thereby enhancing the retention force between the inner crown 11 and the outer crown 12.
In the embodiments of the present invention, the material of the protrusion 15 includes stainless steel or chrome, the embodiments of the present invention do not limit what kind of material the protrusion 15 is made of, as long as the material has specific hardness, so that the protrusion 15 will not be worn to affect the use of the user during the long-term use of the sleeve crown.
In the embodiments of the present invention, if the protrusion 15 is a sphere, the diameter of the sphere is 1.5mm-2.5mm, it should be understood that, in order to improve the user experience, it is easier to pick and remove the sphere while satisfying the fixing force , the diameter of the sphere can be set to any values in 1.5mm-2.5mm, i.e. to discrete values such as 1.5mm, 2mm, and 2.5mm, if the diameter of the sphere is greater than 2.5mm, the aesthetic appearance is affected due to the excessively large sphere, so that the user experience is not guaranteed, if the diameter of the sphere is less than 1.5mm, the fixing force will decrease, and good fixing effect will not be achieved, and after long-term use, the inner crown 11 will separate from the outer crown 12 will occur.
It can be seen that when the protrusions 15 are spheres having a diameter of 1.5mm to 2.5mm, the depth of the slide 13 can be set to 0.5mm to 1.5mm and the depth of the groove can be set to 1.5mm to 2.5 mm. In the process that the inner crown 11 and the outer crown 12 are mutually sleeved, the elastic element 51 enables the size of the ball ejected out of the inner side wall of the outer crown to be continuously changed through the continuously changed elastic variable so as to keep sliding in the slideway 13 with the depth of 0.5mm-1.5mm, and finally to be scribed into the groove 14 with the depth of 1.5mm-2.5mm, and when the ball with the diameter of 1.5mm-2.5mm is scribed into the groove 14 with the depth of 1.5mm-2.5mm, the size of the ball ejected out of the inner side wall of the outer crown is maximum.
In the embodiments of the present invention, as shown in fig. 10, there is a gap 101 of 0.2mm-1mm between the top a of the inner crown 11 and the outer crown 12, it should be understood that in order to provide cushioning force at the time of occlusion, the gap 101 between the top a of the inner crown 11 and the outer crown 12 is adjusted according to the elasticity of the mucosa provided by the clinician to the patient, and the height of the gap 101 can be set to any values of 0.2mm-1mm, i.e. to discrete values of 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm, etc.
Preferably, a gap 101 of 0.3mm-0.5mm is formed between the top a of the inner crown 11 and the outer crown 12, and if the height of the gap 101 is greater than 0.5mm, the excessive gap makes the taking and taking of the sleeve crown difficult, thereby reducing the user experience; if the height of the gap 101 is less than 0.3mm, too small a gap cannot provide a cushioning force for occlusion, and cannot disperse the pressure applied to the abutment, thereby failing to achieve a cushioning effect. It should be noted that the embodiment of the present invention does not limit the height of the gap 101, the height of the gap 101 needs to be adjusted according to the elasticity of the mucous membrane of the patient provided by the clinician, and when the clinician is satisfied, the requirement of providing a large enough buffering force can be satisfied.
In the embodiments of the present invention, as shown in fig. 11, the cohesive angle α of the inner crown 11 is 4 ° -10 °, it should be understood that the cohesive angle α of the inner crown 11 is the angle α between the straight line C and the straight line D as shown in fig. 11. to improve the user experience, the cohesive angle α can be set to any values from 4 ° to 10 °, i.e., can be set to discrete values such as 4 °, 6 °, 8 °, and 10 °.
Preferably, the cohesive angle α of the inner crown 11 is 6 ° to 8 °, if the cohesive angle α is greater than 8 °, the retention force is reduced, and a good retention effect cannot be achieved, and after long-term use, the inner crown 11 and the outer crown 12 are separated, and if the cohesive angle α is less than 6 °, although a good retention effect can be achieved, the user experience is reduced, so that the user is difficult to pick, and the retention effect caused by the mutual engagement of the protrusion 15 and the groove 14 cannot be presented.
It should be noted that the embodiment of the present invention does not limit the size of the cohesive angle α, as long as it is easy to pick and pick, and achieve a good retention effect, and meanwhile, for the socket cap with a large number of abutments, the size of the cohesive angle α needs to be adjusted according to the conditions and positions of the abutments, and the sizes of the cohesive angles α of the abutments with different conditions and the abutments with different positions are also different.
In embodiments of the invention, as shown in fig. 10, the coping 11 of the collet has a gap 101 of 0.3-0.5mm between the top a of the coping 11 and the outer crown 12, and the coping 11 has a cohesive angle α of 6-8 °.
In another embodiments of the invention, as shown in fig. 11, the coping 11 of the collet has no gap 101 between the crown 11 and the crown 12, but the crown 11 still has a cohesive angle α of 6-8 °.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1, kinds of sleeve crown, establish including interior crown and cover the outer crown of interior crown lateral wall, its characterized in that, the lateral wall of interior crown is provided with slide and at least recesses, the inside wall of outer crown be provided with the arch that at least correspond to the recess.
2. The coping of claim 1, wherein the slideway extends from a top of the coping to a groove near a bottom of the coping.
3. The telescopic crown of claim 1, in which said projection is connected to said external crown by an elastic element.
4. The coping of claim 3, wherein the resilient element is a spring or a leaf spring.
5. The coping of claim 1, wherein the protrusion is a sphere or a cylinder or a prism.
6. The collet crown of claim 1, wherein a depth of the slideway is less than a depth of the recess.
7. The coping of claim 1, wherein there is a gap of 0.2-1 mm between the crown of the inner crown and the outer crown.
8. The coping of claim 7, wherein there is a gap of 0.3-0.5mm between the crown of the inner crown and the outer crown.
9. The coping according to claim 1 or 8, wherein the cohesion angle of the coping is 4 ° -10 °.
10. The coping of claim 9, wherein the internal crown has a cohesion angle of 6 ° -8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301512.XU CN209996504U (en) | 2019-03-08 | 2019-03-08 | Sleeve crown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301512.XU CN209996504U (en) | 2019-03-08 | 2019-03-08 | Sleeve crown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209996504U true CN209996504U (en) | 2020-01-31 |
Family
ID=69301270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920301512.XU Active CN209996504U (en) | 2019-03-08 | 2019-03-08 | Sleeve crown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209996504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846562A (en) * | 2019-03-08 | 2019-06-07 | 北京冠美口腔医院管理有限公司 | Telescope crown |
-
2019
- 2019-03-08 CN CN201920301512.XU patent/CN209996504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846562A (en) * | 2019-03-08 | 2019-06-07 | 北京冠美口腔医院管理有限公司 | Telescope crown |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sleeve crown Effective date of registration: 20230228 Granted publication date: 20200131 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING GUANMEI DENTAL MANAGEMENT Co.,Ltd. Registration number: Y2023990000138 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200131 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING GUANMEI DENTAL MANAGEMENT Co.,Ltd. Registration number: Y2023990000138 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |