WO2022032992A1 - Implant restoration stent for edentulous jaws - Google Patents

Abstract

An implant restoration stent for edentulous jaws, comprising: implants, each comprising an implant body and an abutment (100), the abutment (100) being detachably connected to the implant body, a plurality of implants being provided, and all the implants being sequentially arranged at intervals; and connectors (200), a plurality of connectors (200) being provided, every two adjacent abutments (100) being connected by means of one connector (200), and an outer wall of at least one connector (200) being provided with protruding blocks which protrude outwards. In the implant restoration stent for edentulous jaws, the abutments (100) and the connectors (200) act as a scaffold to manufacture restorative dentures, the abutments (100) in the restorative dentures correspond to the positions of implant bodies in the oral cavity of a patient on a one-to-one basis, which reduces the number of impression operations in the oral cavity of the patient, shortens the operation time, and reduces a position error caused by roll-over molding to ensure that a model records the position of each implant more accurately, so as to ensure that finally manufactured restorative dentures can be smoothly installed in the oral cavity of the patient.

Description

Dental Implant Restorative Support technical field

The invention relates to the field of dental implants, in particular to an edentulous jaw implant restoration bracket.

Background technique

The existing implant restoration surgery for edentulous jaws requires multiple implants to be placed in the alveolar bone of the oral cavity, and then placed on the intraoral implants using a dental impression tool, and techniques such as silicone rubber impressions are used to record the differences between the various implants. The relative position of the implant, the prosthetic tooth is made according to the relative position of the implant. However, in the process of making prosthetic dentures, it is necessary to perform impression operations on the patient's oral cavity for many times. The impression process is cumbersome, and it is necessary to take the impression and then repeat the impression, which leads to the inaccurate relative position of the implant recorded by the model, which may easily lead to the final manufacturing of the implant. Restorative dentures are difficult to fit into the patient's mouth.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an edentulous jaw implant restoration bracket, so as to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

The technical solutions adopted to solve the above technical problems:

An edentulous jaw implant restoration bracket, comprising:

an implant, which includes an implant and a base, the base is detachably connected to the implant, there are multiple implants, and all the implants are arranged at intervals in sequence;

A connecting piece, there are a plurality of the connecting pieces, one connecting piece is connected to every two adjacent bases, and at least one of the connecting pieces is provided with a convex block on the outer wall, and the convex block protrudes outwards .

The beneficial effects of the invention are as follows: the implant is implanted in the oral cavity of the patient, the abutment is detachably mounted on the implant, a plurality of implants in the oral cavity are arranged at intervals in sequence, and every two adjacent abutments are connected with a connection Then, the abutment is disassembled from the implant, and the abutment and the connecting piece are removed from the oral cavity. At this time, the abutment and the connecting piece are connected to form a fixed structure, and the base The position of the table corresponds to the position of the implant, and the abutment and the connector are used as the skeleton to make the restoration denture. Impression operations are performed on the implants, thereby reducing the number of impression operations performed in the patient's mouth, shortening the operation time, and reducing the position error caused by the overturning, ensuring that the model records the position of each implant more accurately and ensuring the final manufacturing Restorative dentures fit smoothly into the patient's mouth; reducing the number of impression operations and the use of impression materials contributes to lower surgical costs.

When the abutment and the connector are used as the skeleton to make the prosthetic denture, it is necessary to use the adhesive material to bond the prosthetic tooth to the abutment and the connector. The adhesive material is attached and wrapped on the connector.

As a further improvement of the above technical solution, the connector includes:

a support rod, the protrusion is arranged on the outer wall of the support rod;

The joint has a collar and a connecting rod, the shape of the base is a cylinder, the collar is sleeved on the base, one end of the connecting rod is connected with the collar, and the connecting rod is The other end is connected with the end of the support rod, there are two joints, and the two joints are respectively arranged at the two ends of the support rod.

The connecting piece includes a support rod and a joint, and the collar of the joint is rotatably sleeved on the cylindrical base, so that the connecting piece can be rotated relative to the base, making it more convenient to adjust the position of the connecting piece, and the other end of the connecting rod of the joint is connected At the end of the strut, after using the two bases to determine the positions of the two joints, the strut is used to connect the two joints.

As a further improvement of the above technical solution, the support rod is a tubular structure with two ends passing through, and the two connecting rods are respectively inserted into the two inner holes of the support rod. hole bonding.

Before the connecting rod of the joint is inserted into the inner hole of the strut, the structure or length of the strut can be adjusted according to the position and distance between the two joints, and the length of the strut can be adjusted by grinding, bending or trimming, or changing The depth that the connecting rod is inserted into the inner hole of the support rod changes the distance between the two joints. After the adjustment, the connecting rod and the inner hole of the support rod are glued together, so that the support rod and the two joints match each other, which is helpful for connection. The piece is more precisely connected between the two abutments.

As a further improvement of the above technical solution, the outer wall of the connecting rod is provided with an outer convex ring, the outer convex ring protrudes outward, and the outer convex ring is blocked in the inner hole of the support rod.

The outer convex ring on the outer wall of the connecting rod blocks the inner hole of the strut and closes the inner holes at both ends of the strut. When the strut and joint are assembled in the patient's mouth, the flow of saliva or surgical tissue fluid into the inner hole of the strut is reduced.

As a further improvement of the above technical solution, the collar is bonded to the base.

Before bonding, the joint can be rotated relative to the abutment to adjust the position of the connecting rod. The collar is bonded to the abutment, so that the collar and the abutment are fixedly connected, and the connection is more stable, preventing the abutment from being connected to the collar. Misalignment occurs, making the positioning of the connector and the abutment more precise.

As a further improvement of the above technical solution, the outer wall of the base is provided with grooves, there are multiple grooves, all the grooves surround the outer wall of the base, and the grooves go from top to bottom. Set the interval in turn.

A plurality of grooves are arranged on the base at intervals from top to bottom, and the collar of the joint is sleeved on the base, the collar is bonded to the base, and the grooves help the adhesive used for bonding to adhere. , so that the bonding between the collar and the abutment is more stable.

As a further improvement of the above technical solution, the outer side wall of the base is provided with an annular protrusion, the outer diameter of the annular protrusion is larger than the inner hole of the collar, and the annular protrusion is located on the outer diameter of the collar. below.

The annular protrusion of the base is located below the collar, the outer diameter of the annular protrusion is larger than the inner hole of the collar, and the annular protrusion supports the collar.

As a further improvement of the above technical solution, there are a plurality of the bumps, and all the bumps are arranged at intervals from each other.

A plurality of protrusions are arranged on the outer wall of the connecting piece, so that the resin material is more easily attached to the connecting piece, so that the bonding of the repaired denture is more stable.

As a further improvement of the above technical solution, all the bumps are located on the upper surface of the connector.

The distance between the bottom of the connector and the patient's oral tissue is short, and the restoration denture is adhered to the upper part of the connector, and all the bumps are located on the upper surface of the connector, so that the adhesive material is more easily attached to the upper part of the connector, so that the restoration denture and the upper part of the connector are more easily attached. The bonding of the connector is more stable.

As a further improvement of the above technical solution, the connecting piece is bent to form an arc shape.

The connecting piece is bent into an arc shape, and the connecting piece is matched with the shape of the alveolar bone in the oral cavity, and is more suitable for the patient's oral cavity when the connecting piece is used as the skeleton to make a restoration denture.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

1 is a schematic axonometric view of an edentulous implant restoration bracket provided by the present invention, an embodiment thereof;

Fig. 2 is the edentulous implant restoration bracket provided by the present invention, the assembly schematic diagram of an embodiment thereof;

3 is a schematic axonometric view of the abutment in an embodiment of the edentulous implant restoration bracket provided by the present invention;

4 is a schematic front view of the abutment in an embodiment of the edentulous implant restoration bracket provided by the present invention;

Fig. 5 is the axonometric schematic diagram of the joint in an embodiment of the edentulous implant restoration bracket provided by the present invention;

6 is a schematic axonometric view of another angle of the joint in an embodiment of the edentulous implant restoration bracket provided by the present invention;

Fig. 7 is the axonometric schematic diagram of the strut in an embodiment of the edentulous implant restoration bracket provided by the present invention;

Fig. 8 is a schematic axonometric view of the second form of the strut in an embodiment of the edentulous implant restoration scaffold provided by the present invention.

100, abutment, 110, groove, 120, annular protrusion, 200, connecting piece, 210, strut, 211, bump, 220, joint, 221, collar, 222, connecting rod, 223, outer convex circle ring.

detailed description

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there is a word description such as "several", its meaning is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below , within, etc. are understood to include this number.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

1 to 8, the edentulous implant restoration bracket of the present invention is made as follows:

The edentulous implant restoration bracket includes an implant and a connector 200 . There are multiple implants, and all the implants are arranged at intervals. Each implant includes an implant and an abutment 100 , and the abutment 100 is detachably connected to the implant. There are multiple connecting pieces 200, and one connecting piece 200 is connected between every two adjacent bases 100. At least one connecting piece 200 is provided with a protrusion 211 on the outer wall, and the protrusion 211 protrudes outward. The implants of the implant are used to be implanted in the oral jaw of a patient with an edentulous jaw, and a plurality of implants are arranged at intervals in sequence, so that the implants are arranged at intervals in sequence. The bases 100 are detachably mounted on the implant, and every two adjacent bases 100 are connected by a connecting piece 200, so that the relative positions of the bases 100 are fixed, and each base 100 is associated with the corresponding base. The positions of the implants are matched, and then the abutment 100 is disassembled from the implant, while the connector 200 remains connected to the abutment 100, and the plurality of abutments 100 and the plurality of connectors 200 form a chain-like skeleton, so that the When the skeleton is used to make a restoration denture, the abutment 100 in the restoration denture corresponds to the position of the implant in the patient's oral cavity one-to-one. There is no need to perform impression operations on the implants in the patient's mouth, thereby reducing the number of impression operations in the patient's mouth, shortening the operation time, and reducing the position error caused by the overturning, ensuring that the model records the position of each implant more easily. Accurate, ensuring that the final manufactured prosthetic denture fits smoothly into the patient's mouth; helps reduce surgical costs due to fewer impression operations and less impression material usage.

The bumps 211 on the outer wall of the connecting piece 200 protrude outwards. Since the prosthetic tooth is adhered to the connecting piece 200 through the adhesive material, the bumps 211 make the outer wall of the connecting piece 200 form a concave-convex structure, making it easier for the adhesive material to adhere to the connecting piece 200. On the bumps 211 , the adhesive material is more firmly bonded to the bumps 211 .

There are various detachable connection methods between the base 100 and the implant. For example, the outer wall of the base 100 is provided with external threads, the top of the implant is provided with threaded holes, and the base 100 is screwed into the threaded holes of the implant. , and the upper part of the base 100 protrudes above the implant; alternatively, the outer wall of the base 100 is provided with a buckle, the top of the implant is provided with a blind hole, and the inner wall of the blind hole is provided with a buckle, the base The abutment 100 is inserted into the blind hole of the implant, and the buckle is engaged with the buckle, so that the abutment 100 is detachably connected to the implant, and the upper part of the abutment 100 protrudes above the implant; or, the abutment 100 is provided with a through hole that penetrates from top to bottom, the top of the implant is provided with a stepped hole, the diameter of the upper section of the stepped hole is larger than that of the lower section, the lower section of the stepped hole is a threaded hole, and the abutment 100 is inserted into the upper section of the stepped hole, and the center The screw is screwed into the lower section of the stepped hole through the through hole of the abutment 100 , so that the abutment 100 is detachably connected to the implant.

In some embodiments, each link 200 includes a strut 210 and a joint 220 . The protruding block 211 is disposed on the outer wall of the support rod 210 . The joint 220 has a collar 221 and a connecting rod 222. The collar 221 has a ring structure. The collar 221 is sleeved on the base 100. The inner hole of the collar 221 is a circular hole. The shape of the base 100 is a cylinder. The ring 221 is rotatable about the base 100 . One end of the connecting rod 222 is connected to the collar 221 , and the other end of the connecting rod 222 is connected to the end of the support rod 210 . There are two joints 220 , and the two joints 220 are respectively connected to two ends of the strut 210 . The joint 220 of the connecting piece 200 is used to connect the abutment 100, and the strut 210 of the connecting piece 200 serves as an adhesive bracket for repairing the denture.

In some embodiments, the support rod 210 is a tubular structure with two ends passing through, one end of the connecting rod 222 is connected to the collar 221 , the other end of the connecting rod 222 is inserted into the inner hole of the support rod 210 , and the connecting rod 222 is connected to the support rod 210 inner hole bonding. After determining the positions of the two adjacent joints 220, before the connecting rod 222 is inserted into the inner hole of the strut 210, the strut 210 can be trimmed, bent or ground, so that the length of the strut 210 is the same as that of the two joints. 220, or change the length of the connecting rod 222 inserted into the inner hole of the strut 210 to adjust the distance between the two joints 220, and then use an adhesive to bond the connecting rod 222 to the inner hole of the strut 210, As a result, the strut 210 and the two adjacent joints 220 form a fixed structure to prevent the position or shape of the joint 220 and the strut 210 from changing after the abutment 100 is removed from the implant.

In some embodiments, the outer wall of the connecting rod 222 is provided with an outer convex ring 223, and the outer convex ring 223 protrudes outward. When the other end of the connecting rod 222 is inserted into the inner hole of the support rod 210, the outer convex ring 223 is 223 is blocked in the inner hole of the strut 210 . The outer convex ring 223 is used to block the inner hole of the strut 210. When the strut 210 is placed in the patient's oral cavity, liquids such as saliva, tissue fluid, and surgical liquid in the oral cavity are prevented from entering the inner hole of the strut 210.

In some embodiments, the collar 221 of the joint 220 is bonded to the abutment 100 . After the collar 221 is rotated around the abutment 100 and the position is adjusted, the abutment 100 is adhered to the collar 221 by an adhesive. For the position of the implant, the abutment 100 and the collar 221 are bonded to form a fixed connection structure. During the process of bonding and repairing the denture on the bracket, the position of each abutment 100 on the bracket is guaranteed to be fixed.

In some embodiments, grooves 110 are provided on the outer wall of the base 100 , the grooves 110 circle around the outer wall of the base 100 , and a plurality of grooves 110 are arranged at intervals from top to bottom. When the collar 221 is bonded to the base 100 , the grooves 110 on the outer wall of the base 100 facilitate the adhesion of the adhesive, so that the bonding is more stable.

In some embodiments, an annular protrusion 120 is provided on the outer side wall of the base 100 , the outer diameter of the annular protrusion 120 is larger than the inner hole of the collar 221 , and the annular protrusion 120 is located below the collar 221 . When the collar 221 is sleeved on the abutment 100 , the annular protrusion 120 forms a support structure under the collar 221 to prevent the collar 221 from sliding down, thereby facilitating the assembly of the joint 220 and the abutment 100 and at the same time helping In the bonding of the joint 220 and the base 100 .

In some embodiments, there are multiple bumps 211 on the outer wall of the connector 200 , and all the bumps 211 are spaced apart from each other. The outer wall of the connecting piece 200 is formed into a rough surface structure with unevenness. When the connecting piece 200 is used to make a repaired denture by the bonding material, the bonding material is more easily attached to the connecting piece 200, thereby improving the adhesion between the bonding material and the connecting piece 200. Connection stability.

In some embodiments, all the bumps 211 are located on the upper surface of the connector 200 . Since the distance between the lower surface of the connector 200 and the oral tissue is small, the protrusions 211 are prevented from protruding downward to contact the oral tissue, and the prosthetic denture is adhered to the upper part of the connector 200. The protrusions 211 on the upper surface of the connector 200 help Adhesion to the adhesive material.

In some embodiments, the connecting member 200 is bent to form an arc shape, so that the shape of the connecting member 200 matches the arc-shaped skeleton of the alveolar bone in the oral cavity. When installed in the patient's oral cavity, the arc-shaped connector 200 is more suitable for the tissue of the patient's oral cavity, thereby reducing the foreign body sensation in the patient's oral cavity and making the patient more comfortable when chewing.

In some embodiments, for an edentulous patient, there are at least four implants, then there are four implants, the four implants are respectively implanted in the mandibular alveolar bone in the patient's mouth, or four implants are The implants are respectively implanted in the maxillary alveolar bone in the patient's oral cavity, the four implants are arranged at intervals in sequence, and the four abutments 100 are installed on the four implants in a one-to-one correspondence. There are three connecting pieces 200 , and one connecting piece 200 is disposed between every two bases 100 , so that the three connecting pieces 200 are connected with the four bases 100 to form a chain-like bracket. The abutment 100 is disassembled from the implant, the chain-shaped bracket is removed from the patient's mouth, and the repaired denture is bonded to the chain-shaped bracket by using an adhesive material. Each abutment 100 is in one-to-one correspondence with the four implant positions in the patient's alveolar bone, and the prosthetic tooth can be accurately installed on the patient's oral alveolar bone. Of course, depending on the condition of the alveolar bone in the patient's mouth, the number of implants can be increased or decreased. Generally speaking, under the premise that the prosthetic denture can be securely installed in the patient's mouth, the number of implants should be minimized. The number of is preferably four.

The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or substitutions without departing from the spirit of the present invention, These equivalent modifications or substitutions are all included within the scope defined by the claims of the present application.

Claims (10)

An edentulous jaw implant restoration bracket is characterized in that: comprising: An implant, comprising an implant and an abutment (100), wherein the abutment (100) is detachably connected to the implant, there are multiple implants, and all the implants are arranged at intervals in sequence ; A connecting piece (200), there are multiple connecting pieces (200), one connecting piece (200) is connected to every two adjacent bases (100), and at least one connecting piece (200) is connected to one piece of the connecting piece (200). A convex block (211) is provided on the outer wall, and the convex block (211) protrudes outward. The edentulous implant restoration bracket according to claim 1, characterized in that: the connector (200) comprises: a support rod (210), the protrusion (211) is disposed on the outer wall of the support rod (210); A joint (220) has a collar (221) and a connecting rod (222), the base (100) has a cylindrical shape, and the collar (221) is sleeved on the base (100) One end of the connecting rod (222) is connected with the collar (221), the other end of the connecting rod (222) is connected with the end of the support rod (210), and the joint (220) has two Each of the two joints (220) are respectively disposed at both ends of the support rod (210). The edentulous implant restoration bracket according to claim 2, characterized in that: the strut (210) is a tubular structure with two ends passing through, and the two connecting rods (222) are respectively inserted into the strut (210). ), the connecting rod (222) is bonded to the inner hole of the support rod (210). The edentulous implant restoration bracket according to claim 3, wherein the outer wall of the connecting rod (222) is provided with an outer convex ring (223), and the outer convex ring (223) is outwardly convex out, the outer convex ring (223) is blocked in the inner hole of the support rod (210). The edentulous jaw implant restoration bracket according to claim 2, wherein the collar (221) is bonded to the abutment (100). The edentulous implant restoration bracket according to claim 5, wherein a groove (110) is provided on the outer wall of the abutment (100), and the groove (110) is along the abutment (100). The outer wall of the ) surrounds a circle, and there are a plurality of the grooves (110), and all the grooves (110) are arranged at intervals from top to bottom. The edentulous implant restoration bracket according to claim 2, characterized in that: an annular protrusion (120) is provided on the outer side wall of the abutment (100), and the outer diameter of the annular protrusion (120) is larger than In the inner hole of the collar (221), the annular protrusion (120) is located below the collar (221). The edentulous implant restoration bracket according to claim 1, characterized in that: there are a plurality of the protruding blocks (211), and all the protruding blocks (211) are arranged at intervals from each other. The edentulous implant restoration bracket according to claim 8, characterized in that: all the protruding blocks (211) are located on the upper surface of the connecting piece (200). The edentulous jaw implant restoration bracket according to claim 1, wherein the connecting piece (200) is bent to form an arc shape.

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