CN113952054A - High-stability screw fixing base platform assembly with adjustable direction and platform transfer function - Google Patents
High-stability screw fixing base platform assembly with adjustable direction and platform transfer function Download PDFInfo
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- CN113952054A CN113952054A CN202111468692.9A CN202111468692A CN113952054A CN 113952054 A CN113952054 A CN 113952054A CN 202111468692 A CN202111468692 A CN 202111468692A CN 113952054 A CN113952054 A CN 113952054A
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- 230000014759 maintenance of location Effects 0.000 claims abstract description 31
- 230000001965 increasing effect Effects 0.000 claims abstract description 25
- 239000007943 implant Substances 0.000 claims abstract description 7
- 230000002708 enhancing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000008467 tissue growth Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
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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
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
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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
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection
-
- 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
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/0075—Implant heads specially designed for receiving an upper structure
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention is suitable for the technical field of tooth restoration, and provides a high-stability screw fixation abutment assembly with adjustable direction and platform transfer; the method comprises the following steps: abutment, retention screw and central screw; the retention screw and the central screw are arranged at two ends of the abutment; the base station comprises a first conical part, a boss, a second conical part, a fixing part and a second conical part in sequence; the retention screw is disposed on the first conical portion, and the central screw is disposed at the second conical portion; the boss is arranged at the joint of the large ends of the first conical part and the second conical part; providing a first taper for increasing a contact area; the lug boss is used for increasing platform compensation and reducing gaps when the lug boss is contacted with the implant; a plurality of lateral cutting grooves are formed in an array mode outside the large end of the first conical part and used for increasing stability; a fixing part for fixing the abutment; the section of the second conical part is in a regular hexagon shape, so that the fixing is facilitated; and a positioning part is arranged for alignment.
Description
Technical Field
The invention relates to the technical field of dental restoration, in particular to a high-stability screw fixation abutment assembly with adjustable direction and platform transfer.
Background
At present, the damaged teeth are mostly pulled out for repairing the damaged teeth, the artificial teeth are installed at the gum positions, in the prior art, the means for fixing the artificial teeth on the gum is mostly realized by combining the implant and the abutment accessories, the existing abutment accessories are combined with the implant to fix the artificial teeth at the gum positions, the defect of poor firmness exists, the long-term use of the artificial teeth cannot be guaranteed, and the artificial teeth are easily fallen off from the gum positions.
Disclosure of Invention
The invention aims to provide a high-stability screw fixing base station assembly with adjustable direction and platform transfer, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an azimuthally adjustable, platform transferring, high stability screw retaining base assembly comprising: abutment, retention screw and central screw; the retention screw and the central screw are arranged at two ends of the abutment;
the base station comprises a first conical part, a boss, a second conical part, a fixing part and a second conical part in sequence; the retention screw is disposed on the first conical portion, and the central screw is disposed at the second conical portion; the boss is arranged at the joint of the large ends of the first conical part and the second conical part;
providing a first taper for increasing a contact area; the lug boss is used for increasing platform compensation and reducing gaps when the lug boss is contacted with the implant; a plurality of lateral cutting grooves are formed in an array mode outside the large end of the first conical part and used for increasing stability;
a fixing part for fixing the abutment; the section of the second conical part is in a regular hexagon shape, so that the fixing is facilitated;
arranging a positioning part for alignment;
the middle of the abutment is provided with a through hole for installing a retention screw and a central screw, and the retention screw and the central screw are installed on the abutment through threads;
the bottom of the positioning part is provided with a round hole for placing a central screw.
As a further scheme of the invention: the cross section of the fixing part is in a regular hexagon shape.
As a still further scheme of the invention: the first conical part and the second conical part are arranged on the same straight line or are obliquely arranged.
As a still further scheme of the invention: the interior of the abutment is provided with a central retention clamping groove for fixing a central screw, and the central retention clamping groove can be divided into three-line, six-line and spline patterns.
As a still further scheme of the invention: the first cone part and the middle boss contact part are flat round tables.
As a still further scheme of the invention: the first cone part and the middle boss contact part are arranged to be circular truncated cones with anatomical radians.
As a still further scheme of the invention: the side wall of a mounting hole for mounting a central screw in the base station is designed by taper; a gap is formed between the outer side of the upper end of the central screw and the inner wall of the base.
As a still further scheme of the invention: the contact surface of the abutment and the retention screw adopts a platform design.
As a still further scheme of the invention: the bottom end of the central screw adopts wedge-shaped, trapezoidal or triangular self-locking threads which are used for enhancing the stability of the screw; the middle part adopts a wide column without threads to enhance the strength of the screw; the upper end of the screw is tapered, so that the contact area between the screw and the base is increased, the rotation of the screw is reduced, and the screw is more stable; the top end is provided with an inner hexagonal groove.
As a still further scheme of the invention: the bottom end of the retention screw adopts a triangular thread; the middle part adopts a thread-free wide column for enhancing the strength of the screw; the junction of the middle part and the thread adopts a taper design; the top adopts the design of hexagon socket head cap groove.
Compared with the prior art, the invention has the beneficial effects that: the whole first conical part adopts a conical design to provide a larger contact area, and the top end of the first conical part is provided with a first threaded hole for mounting a retention screw; the upper end of the first threaded hole is designed by adopting a platform, so that a screw can be conveniently placed to increase the contact tightness, and the abutment can be better contacted with the dental crown to prevent loosening; a plurality of lateral notches are provided on the lateral sides to provide better contact with the lateral sides. The tooth is in closer contact with the abutment by arranging the lug boss; the boss contact part can be set as a plane round platform, the arrangement is favorable for the abutment to contact with the dental crown, and the processing and the later operation are more favorable. Through setting up second cone portion, second cone position adopts the tapering design to increase area of contact with the planting body contact department, reduces the contact gap and increases the contact compactness. The first cone part at the upper end of the base platform adopts conicity to provide a platform for transplantation and increase the growth of bone tissues and soft tissues.
Drawings
Fig. 1 is a schematic structural view of an orientation-adjustable platform-transfer high-stability screw-fixing base assembly.
Fig. 2 is a schematic diagram illustrating an exemplary structure of a base in an azimuthally adjustable, platform-transferable, high-stability screw-fastened base assembly.
Figure 3 is a top view of a submount in an azimuthally adjustable, platform transferred, high stability screw mounted submount assembly.
Figure 4 is a schematic diagram of an example of a central retaining slot in an azimuthally adjustable, platform-translatable, high-stability screw-retaining abutment assembly.
Figure 5 is a schematic diagram of a second exemplary center retaining slot in an azimuthally adjustable, platform-translatable, high-stability screw-retaining abutment assembly.
Figure 6 is a schematic view of three exemplary central retention slots in an azimuthally adjustable, platform-translatable, high-stability screw-retaining abutment assembly.
Figure 7 is a diagram of an exemplary four-way central retaining slot in an azimuthally adjustable, platform-translatable, high-stability screw-retaining abutment assembly.
Fig. 8 is a schematic diagram of an example of a boss in an azimuthally adjustable, platform-transferable, high-stability screw-on abutment assembly.
Fig. 9 is a schematic diagram of a second example of a boss in an azimuthally adjustable, platform-transferable, high-stability screw-retaining abutment assembly.
Fig. 10 is a schematic view of the internal structure of the adjustable platform-transfer high-stability screw-fastening base assembly.
Fig. 11 is a schematic structural view of a center screw in an azimuthally adjustable, platform-transferable, high-stability screw-retaining abutment assembly.
Figure 12 is a schematic diagram of an exemplary set screw in an azimuthally adjustable, platform-transferable, high-stability screw-retaining abutment assembly.
Figure 13 is a schematic view of a second exemplary set screw in an azimuthally adjustable, platform-transferable, high-stability screw-retaining abutment assembly.
Figure 14 is a third exemplary view of a set screw in an azimuthally adjustable, platform-transferable, high-stability screw-retaining abutment assembly.
Fig. 15 is a schematic diagram of a second exemplary structure of a base in an azimuthally adjustable, platform-transferable, high-stability screw-fastened base assembly.
Fig. 16 is a schematic diagram of a second exemplary structure of a base in an azimuthally adjustable, platform-transferable, high-stability screw-fastened base assembly.
In the figure: abutment-100, retaining screw-200, central screw-300, first taper-101, boss-102, second taper-103, fixing portion-104, positioning portion-105, lateral cutting groove 106, and gap-107.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to fig. 1-2, in embodiment 1 of the present invention, a structure diagram of a high-stability screw-fixing base assembly with adjustable orientation and platform transfer provided in the embodiment of the present invention includes: an abutment 100, a retaining screw 200, and a center screw 300; the retention screw 200 and the center screw 300 are disposed at both ends of the abutment 100;
the base 100 includes a first tapered portion 101, a boss 102, a second tapered portion 103, and fixing portions 104 and 105 in this order; the retention screw 200 is disposed on the first taper portion 101, and the center screw 300 is disposed at the second taper portion 103; the boss 102 is arranged at the large end connection position of the first conical part 101 and the second conical part 103;
a first taper portion 101 is provided for increasing a contact area; the boss 102 is arranged for increasing platform compensation and reducing gaps when contacting with an implant; a plurality of lateral slots 106 are arranged outside the large end of the first conical part 101 in an array for increasing stability.
A fixing portion 104 for fixing the base; the second cone portion 103 is regular hexagonal in cross-sectional shape, so that fixation is facilitated.
A positioning portion 105 is provided for alignment;
the abutment 100 has a through hole in the middle thereof to facilitate the mounting of the set screw 200 and the center screw 300, and the set screw 200 and the center screw 300 are threadedly mounted on the abutment 100.
The bottom of the positioning part 105 is provided with a round hole for placing a central screw 300;
the cross section of the fixing part 104 is in a regular hexagon shape, so that the base station is convenient to fix and prevent from deviating and rotating, and the regular hexagon is beneficial to force dispersion and stress concentration prevention;
the first cone part 101 adopts a taper design, so that the first cone part can be better contacted with an implant, the gap is reduced, and the platform transfer is increased, so that the growth of bone tissues and soft tissues is facilitated.
The first tapered portion 101 and the second tapered portion 103 may be arranged on the same straight line or may be inclined.
Example 2
Referring to fig. 4 to 7, in embodiment 2 of the present invention, a central retention groove for fixing a central screw 300 is disposed inside the abutment 100, and the central retention groove may be in a three-line, six-line, or spline type, and is used to stabilize a position, prevent rotation and position deviation, prevent the abutment from deviating and rotating, facilitate stress dispersion, prevent stress concentration, and facilitate precise adjustment of the orientation of the abutment body.
The whole first conical part 101 adopts a taper design to provide a larger contact area, four grooves are arranged on the top of the first conical part 101 in an array manner, and a first threaded hole for mounting the retaining screw 200 is formed in the top end of the first conical part 101; the upper end of the first threaded hole is designed by adopting a platform, so that a screw can be conveniently placed to increase the contact tightness, and the abutment can be better contacted with the dental crown to prevent loosening; a plurality of lateral notches are provided on the lateral sides to provide better contact with the lateral sides. The abutment is brought into close contact with the tooth by the projection 102.
Referring to fig. 8, as a preferred embodiment of the present invention, the contact portion between the first tapered portion 101 and the middle boss 102 may be a flat circular truncated cone, which is beneficial for the abutment to contact with the dental crown, and is more beneficial for the processing and the convenience of the later operation.
Referring to fig. 9, as a preferred embodiment of the present invention, an anatomical arc truncated cone may be further disposed at a contact portion between the first tapered portion 101 and the middle boss 102. The arrangement is beneficial to the abutment to be contacted with the dental crown more closely; the radian of the sample strip is adopted to conform to the radian of the gum so that the sample strip can be better contacted.
Through setting up second cone 103, second cone 103 position adopts the tapering design to increase area of contact with the planting body contact department, reduces the contact gap and increases the contact compactness. The first taper 101 at the upper end of the abutment provides a platform for implantation to increase bone and soft tissue growth.
Referring to fig. 10, as a preferred embodiment of the present invention, the side wall of the mounting hole for mounting the central screw 300 inside the base 100 is designed to have a taper, and the taper is adopted to increase the contact area between the base 100 and the central screw 300, so as to reduce the rotation of the central screw, improve the stability of the central screw, and reduce the looseness of the screw. A gap 107 is formed between the outer side of the upper end of the central screw 300 and the inner wall of the base 100, and the gap 107 is increased to reduce side contact and friction and provide a certain error clearance.
The abutment 100 and the retention screw 200 have a flat surface, so that the rotation of the central screw 300 is reduced, the stability of the retention screw 200 is improved, and the loosening of the screw is reduced in order to increase the contact area. The upper end is added with a platform to improve the connection tightness of the retention screw and the dental crown.
Referring to fig. 11, as a preferred embodiment of the present invention, the bottom end of the central screw 300 adopts a 30-degree wedge, trapezoid or triangular self-locking thread, which is used to enhance the stability of the screw; the middle part adopts a wide column without threads to enhance the strength of the screw; the upper end of the screw is tapered, so that the contact area between the screw and the base is increased, the rotation of the screw is reduced, and the screw is more stable; the top end adopts an inner hexagonal groove, and a screw is screwed in by a hexagonal screw rod.
The contact position of the central screw 300 and the abutment 100 adopts a taper design to increase the contact area, reduce the contact gap and increase the contact tightness. 300 middle-end unthreaded straight post provides the screw bigger diameter and intensity, and the top adopts six line recesses to be used for the screw to twist in the external diameter in the limit, and the screw upper end is tensile to be used for increasing groove department intensity.
The root of the central screw 300 is provided with a right trapezoid self-locking deep thread, the bottom inclined plane of the trapezoid thread is favorable for self-tapping of the screw, and the top plane is favorable for the contact of the thread and a base station to improve the stability of the screw in the early stage.
As shown in fig. 12, as a preferred embodiment of the present invention, the bottom end of the retaining screw 200 adopts a triangular thread, so as to facilitate screwing in and screwing out and reduce the processing difficulty; the middle part adopts a thread-free wide column for enhancing the strength of the screw; the tightness is increased at the junction of the middle part and the thread by adopting a taper design, and the rotation of the screw is provided with stronger stability by adopting the taper to increase the contact area between the upper end and the base station 100; the top end adopts an inner hexagonal groove, and a screw is screwed in by a hexagonal screw rod.
The department that the maintenance screw 200 contacts with the abutment 100 adopts the straight post of triangle screw thread to provide the better wrong income of screw and twists out, and the top adopts six line recesses to be used for the screw to twist the interior side of external diameter tensile height, and the upper end adopts the platform to increase screw and crown contact compactness, and the tensile height of screw platform is used for increasing recess intensity.
The root has the triangle line screw, adopts triangle line more to make things convenient for the wrong income of screw and screws out, improves later stage regulating power, reduces the processing degree of difficulty, adopts equilateral triangle side length size, screw thread pitch.
As shown in fig. 13, as another preferred embodiment of the present invention, the bottom end of the retaining screw 200 is provided with a triangular thread, so as to facilitate screwing in and screwing out and reduce the processing difficulty; the middle part adopts a thread-free wide column for enhancing the strength of the screw, and the junction of the middle part and the thread adopts a taper design for increasing the tightness; the upper end adopts a taper design, which is used for enhancing the contact area with the base station 100 and reducing the rotation of the screw to provide stronger stability; the top end adopts an inner hexagonal groove, and a screw is screwed in by a hexagonal screw rod.
The contact position of the retention screw 200 and the abutment 100 adopts a flat design to increase the contact area, reduce the contact gap and increase the contact tightness. The middle-end triangular thread straight column of the central screw provides larger diameter and strength of the screw, the top end adopts the six-thread groove to be used for the screw to be screwed into the outer diameter, the inner side of the outer diameter is stretched to be high, and the upper end of the screw is stretched to be used for increasing the strength of the groove.
The root has the triangle line screw, adopts triangle line more to make things convenient for the wrong income of screw and screws out, improves later stage regulating power, reduces the processing degree of difficulty, adopts equilateral triangle side length size, screw thread pitch.
As shown in fig. 14, as another preferred embodiment of the present invention, the bottom end of the retaining screw 200 is provided with a triangular thread, which facilitates screwing in and screwing out and reduces the processing difficulty; the middle part adopts a thread-free wide column for enhancing the strength of the screw, and the junction of the middle part and the thread adopts a taper design for increasing the tightness; the taper is adopted at the upper end for enhancing the contact area with the base station 100 and reducing the rotation of the screw to provide stronger stability, and the screw is screwed in by the hexagon socket head screw through the hexagon screw.
The contact position of the retention screw 200 and the abutment 100 adopts a flat design to increase the contact area, reduce the contact gap and increase the contact tightness. The middle-end triangular thread straight column of the central screw provides larger diameter and strength of the screw, the top end adopts the six-thread groove to be used for the screw to be screwed into the outer diameter, the inner side of the outer diameter is stretched to be high, and the upper end of the screw is stretched to be used for increasing the strength of the groove.
The root has the triangle line screw, adopts triangle line more to make things convenient for the wrong income of screw and screws out, improves later stage regulating power, reduces the processing degree of difficulty, adopts equilateral triangle side length size, screw thread pitch.
The abutment 100 may be designed as a straight screw-retained abutment (see fig. 2), a 15 deg. angle screw-retained abutment (see fig. 15), or a 25 deg. angle screw-retained abutment (see fig. 16).
The working principle of the invention is as follows:
in the embodiment of the invention, the whole first conical part 101 adopts a conical design to provide a larger contact area, and the top end of the first conical part 101 is provided with a first threaded hole for mounting on the retaining screw 200; the upper end of the first threaded hole is designed by adopting a platform, so that a screw can be conveniently placed to increase the contact tightness, and the abutment can be better contacted with the dental crown to prevent loosening; a plurality of lateral notches are provided on the lateral sides to provide better contact with the lateral sides. The boss 102 is arranged to enable the tooth to be in close contact with the abutment; the contact part of the boss 102 can be a plane round table, which is beneficial to the contact of the abutment and the dental crown and is more beneficial to the processing and the convenience of the later operation. Through setting up second cone 103, second cone 103 position adopts the tapering design to increase area of contact with the planting body contact department, reduces the contact gap and increases the contact compactness. The first taper 101 at the upper end of the abutment provides a platform for implantation to increase bone and soft tissue growth. The abutment 100 contacts the central screw 300 with a taper design to increase the contact area, reduce the rotation of the central screw, improve the stability of the central screw, and reduce the loosening of the screw. A gap 107 is formed between the outer side of the upper end of the central screw 300 and the inner wall of the base 100, and the gap 107 is increased to reduce side contact and friction and provide a certain error clearance. The abutment 100 and the retention screw 200 have a flat surface, so that the rotation of the central screw 300 is reduced, the stability of the retention screw 200 is improved, and the loosening of the screw is reduced in order to increase the contact area. The upper end is added with a platform to improve the connection tightness of the retention screw and the dental crown.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a high stability screw fixation base station subassembly that position is adjustable, platform shifts which characterized in that includes: abutment, retention screw and central screw; the retention screw and the central screw are arranged at two ends of the abutment;
the base station comprises a first conical part, a boss, a second conical part, a fixing part and a second conical part in sequence; the retention screw is disposed on the first conical portion, and the central screw is disposed at the second conical portion; the boss is arranged at the joint of the large ends of the first conical part and the second conical part;
providing a first taper for increasing a contact area; the lug boss is used for increasing platform compensation and reducing gaps when the lug boss is contacted with the implant; a plurality of lateral cutting grooves are formed in an array mode outside the large end of the first conical part and used for increasing stability;
a fixing part for fixing the abutment; the section of the second conical part is in a regular hexagon shape, so that the fixing is facilitated;
arranging a positioning part for alignment;
the middle of the abutment is provided with a through hole for installing a retention screw and a central screw, and the retention screw and the central screw are installed on the abutment through threads;
the bottom of the positioning part is provided with a round hole for placing a central screw.
2. The adjustable orientation, platform-translation, high stability screw-on abutment assembly of claim 1, wherein said attachment portion is regular hexagonal in cross-sectional shape.
3. The adjustable orientation, platform-transferring, high stability screw-on abutment assembly of claim 1, wherein the first and second tapered portions are aligned or inclined with respect to each other.
4. The adjustable, platform-transferable, high-stability screw-retaining abutment assembly of claim 1, wherein the abutment is internally provided with a central retaining groove for retaining a central screw, wherein the central retaining groove can be divided into three-thread, six-thread, spline patterns.
5. The adjustable orientation, platform-transferable, high-stability screw-on abutment assembly of claim 1, wherein the first tapered portion and the intermediate boss contacting portion are configured as a planar circular truncated cone.
6. The adjustable orientation, platform-transferable, high-stability screw-on abutment assembly of claim 1, wherein the first tapered portion and the abutment interface are configured as an anatomic arc frustum.
7. The screw-on abutment assembly with adjustable direction and high stability for platform transfer as claimed in any one of claims 1-6, wherein the side wall of the mounting hole for mounting the central screw is designed with a taper; a gap is formed between the outer side of the upper end of the central screw and the inner wall of the base.
8. The screw-on abutment assembly with adjustable orientation and high stability for platform transfer of claim 1, wherein the abutment is designed to have a flat contact surface with the retaining screw.
9. The adjustable orientation, platform-transferring, high stability screw-on abutment assembly of claim 1, wherein the central screw bottom end employs wedge, trapezoidal or triangular self-locking threads for enhanced screw stability; the middle part adopts a wide column without threads to enhance the strength of the screw; the upper end of the screw is tapered, so that the contact area between the screw and the base is increased, the rotation of the screw is reduced, and the screw is more stable; the top end is provided with an inner hexagonal groove.
10. The adjustable, platform-transferable, high-stability screw-retaining abutment assembly of claim 1, wherein the retaining screw has a triangular thread at its bottom end; the middle part adopts a thread-free wide column for enhancing the strength of the screw; the junction of the middle part and the thread adopts a taper design; the top adopts the design of hexagon socket head cap groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111468692.9A CN113952054A (en) | 2021-12-04 | 2021-12-04 | High-stability screw fixing base platform assembly with adjustable direction and platform transfer function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111468692.9A CN113952054A (en) | 2021-12-04 | 2021-12-04 | High-stability screw fixing base platform assembly with adjustable direction and platform transfer function |
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| CN113952054A true CN113952054A (en) | 2022-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699193A (en) * | 2022-03-22 | 2022-07-05 | 安锐医疗科技(苏州)有限公司 | Machinable abutment for dental implantation |
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| US20110117522A1 (en) * | 2007-10-26 | 2011-05-19 | Council Of Scientific & Industrial Research | Dental implant system |
| JP2011104222A (en) * | 2009-11-20 | 2011-06-02 | Kotatsu Seigi Yugenkoshi | Dental implant |
| CN103781436A (en) * | 2011-09-14 | 2014-05-07 | 登士伯Ih有限公司 | Dental component and dental implant |
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| CN212592502U (en) * | 2019-12-30 | 2021-02-26 | 江苏创英医疗器械有限公司 | Implant device for segmented implantation |
| KR102304798B1 (en) * | 2020-12-10 | 2021-09-27 | 이노덴 주식회사 | Hourglass-shaped implant abutment and method for manufacturing crown using the same |
| CN113648093A (en) * | 2021-09-23 | 2021-11-16 | 西安工程大学 | Adjustable-direction and platform-transfer high-stability nuclear-shaped base station and central screw |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114699193A (en) * | 2022-03-22 | 2022-07-05 | 安锐医疗科技(苏州)有限公司 | Machinable abutment for dental implantation |
| CN114699193B (en) * | 2022-03-22 | 2024-06-18 | 安锐医疗科技(苏州)有限公司 | Machinable abutment for dental implant |
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Application publication date: 20220121 |