Alternative body for dental implant

Abstract

The utility model discloses a substitute body for dental implant, the substitute body is made of resin material and comprises a butt joint part, a positioning section and a fixing section, the butt joint part is arranged inside the fixing section, the butt joint part is connected with an abutment, the positioning section is connected with a dental cast body, the positioning section, the connecting part and the fixing section are arranged along the same central axis, and the butt joint part is connected with the positioning section. A butt joint groove is formed in the center of the butt joint part, the butt joint groove comprises a transition section and a clamping groove with the cross section being in a regular polygon shape, arc-shaped protrusions are arranged on the outer surface of the positioning section, the number of the protrusions is the same as that of the sides of the clamping groove, and the positions of the sides of the clamping groove correspond to the positions of the protrusions in a one-to-one mode. The oral cavity replacement device is reasonable in structural design, conditions in the oral cavity of a patient can be restored more sufficiently after the base is installed on the replacement body, and the replacement body can be installed and adjusted more conveniently; a dentist technician accurately restores the condition in the oral cavity of a patient through the replacement body, and the manufactured false tooth is excellent and is more adaptive to the oral cavity of the patient.

Description

Technical Field

[0001] This utility model belongs to the field of dental technology, and in particular relates to a dental implant substitute. Background Technology

[0002] In dental implant technology, traditional prostheses are primarily used in plaster models. Their main function is to transfer the implant information from the patient's mouth to the plaster model, facilitating the dental technician's design of the abutment and other superstructures on the prosthesis. With technological advancements, it's now possible to obtain 3D images of the patient's mouth using an intraoral scanner and directly print the intraoral model using a 3D printer. Traditional prostheses are generally made of metal, and wear and tear during use can lead to inaccurate positioning. Especially when using 3D printing technology, the prosthesis may not accurately replicate the patient's oral cavity after the abutment is installed, potentially resulting in a misfit between the prosthesis and the patient's mouth. Utility Model Content

[0003] To address the above problems, this invention provides a substitute for dental implants.

[0004] This invention is achieved as follows: a dental implant substitute, wherein the substitute is made of resin, preferably polymethyl methacrylate (PMMA) resin. PMMA resin is low in cost, easy to process, high in strength, and easy to polish. After a period of use, it can be directly replaced by dental technicians due to its low cost, resulting in low replacement cost and easy recycling. The replacement includes a docking part, a positioning section, and a fixing section. The docking part is located inside the fixing section and is connected to the abutment. The positioning section is connected to the dental model body. During dental implantation, an implant is placed in the patient's oral cavity. To transfer the implant information from the patient's oral cavity to the plaster model, a scanning rod is inserted into the implant. A snap-fit ​​groove is formed in the implant, and one end of the scanning rod engages with the snap-fit ​​groove. Then, an intraoral scanner is used to scan the information inside the oral cavity and the location of the tooth to be implanted. The position and tilt angle of the scanning rod inserted into the tooth to be implanted are recorded. Based on the information scanned by the intraoral scanner, a 3D printer is used to print the dental model body. The dental model body has a guide hole for the tooth to be implanted. This guide hole is the insertion position of the replacement. The positioning section is inserted into the guide hole of the dental model body. The guide hole can be designed to correspond to the shape of the positioning section of the replacement. The positioning section, connecting section, and fixing section are arranged along the same central axis. A docking groove is provided at the center of the docking section. The docking groove includes a transition section and a slot with a regular polygonal cross-section. Preferably, the slot has a regular hexagonal cross-section, which is more compatible with the number of sides of common intraoral implants. The outer surface of the positioning section is provided with arc-shaped protrusions. The number of protrusions is the same as the number of sides of the slot, and each side of the slot and each protrusion are in a one-to-one correspondence. When the substitute is installed on the dental model body (the positioning section is inserted into the guide hole), it is fully positioned with the dental model body by the multiple protrusions on the substitute. At the same time, because each protrusion and each side of the slot are in a one-to-one correspondence, the orientation of the slot can be determined according to the position of each protrusion. After the abutment is installed, the intraoral condition of the patient is more fully restored.

[0005] The slot has a countersunk hole at the bottom and an internal thread at the top. The internal thread engages with the external thread of the screw that fixes the base, thus fixing the base onto the substitute body. This facilitates the technician's design and fabrication of the denture. A channel is provided in the middle of the denture to allow the screw to be unscrewed. The channel can be closed after the prosthesis is installed in the patient's mouth.

[0006] A locking platform is provided above the positioning section. When the positioning section plugs into the guide hole of the dental mold body, the locking platform can play a limiting role.

[0007] The beneficial effects of this invention are as follows: The prosthesis is provided with a docking part, a positioning section, and a fixing section. The docking part is connected to the abutment, and the positioning section is connected to the dental model body. The outer surface of the positioning section is provided with an arc-shaped protrusion, which can better cooperate with the dental model body during installation, and the prosthesis is installed stably. Each protrusion corresponds one-to-one with each side of the slot. According to the position of each protrusion, the orientation of the slot can be determined. After the abutment is installed, the condition of the patient's oral cavity is more fully restored, and the installation and adjustment of the prosthesis are more convenient. Dental technicians can accurately restore the condition of the patient's oral cavity using the prosthesis of this invention, and the dentures made are of high quality and better fit the patient's oral cavity. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure connecting the substitute body and the base of this utility model;

[0009] Figure 2 This is a schematic cross-sectional view of the alternative structure of this utility model;

[0010] Figure 3 This is a top view (direction A) structural schematic diagram of the alternative body of this utility model;

[0011] Figure 4 This is a schematic diagram of the alternative structure of this utility model from a bottom view (direction B);

[0012] Figure 5 This is a schematic diagram showing the positional structure of the protrusion of the replacement body and the corresponding slot in this utility model;

[0013] In the diagram: 1-positioning section, 2-fixing section, 3-carding platform, 4-substitute body, 5-arc-shaped boss, 6-carding groove, 7-transition section, 8-countersunk hole, 9-base. Detailed Implementation

[0014] To better understand the technical solution of this utility model, the following description, in conjunction with the accompanying drawings, further illustrates this utility model.

[0015] like Figure 1-5The dental implant substitute shown is made of resin, preferably polymethyl methacrylate resin. It includes a mating portion, a positioning section 1, and a fixing section 2. The mating portion is located inside the fixing section 2, and a mating groove is provided at the center of the mating portion. The mating groove includes a transition section 7 and a slot 6 with a regular polygonal cross-section. The slot 6 has a regular hexagonal cross-section, and a countersunk hole 8 is provided at the bottom of the slot. The upper part of the countersunk hole 8 has an internal thread. The mating portion is connected to a base 9, and the bottom of the base 9 has a hexagonal structure that inserts into the slot. Inside, the base has a hexagonal structure at the bottom with a frustum-shaped structure above it. The frustum-shaped structure is inserted into the transition section 7. The internal thread of the frustum-shaped structure engages with the external thread of the screw fixing the base, fixing the base 9 onto the substitute body 4. The connection between the base 9 and the mating part is smoother and more reliable, facilitating denture design and fabrication by the technician. The positioning section 1 is connected to the dental mold body. The positioning section 1, the connecting part, and the fixing section 2 are arranged along the same central axis. The outer surface of the positioning section has arc-shaped protrusions 5. The number of protrusions is the same as the number of sides of the slots 6, and the positions of each side of the slot 6 and each protrusion correspond one-to-one. Figure 5 As shown. A locking platform 3 is provided above the positioning section. When the positioning section 1 plugs into the guide hole of the dental mold body, the locking platform can play a limiting role.

[0016] This invention connects to the dental model body via a positioning segment 1, and the docking part connects to the abutment, ensuring stable installation of the prosthesis. Each protrusion of the positioning segment 1 corresponds one-to-one with each slot 6 of the docking part. Based on the position of each protrusion, the orientation of the slot can be determined. After installing the abutment 9, the condition of the patient's oral cavity is more fully restored, and the installation and adjustment of the prosthesis are more convenient. Dental technicians can accurately restore the condition of the patient's oral cavity using the prosthesis of this invention, producing high-quality dentures that are better suited to the patient's oral cavity.

[0017] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A dental implant substitute, characterized in that, The replacement body is made of resin and includes a docking part, a positioning section, and a fixing section. The docking part is located inside the fixing section and is connected to the base. The positioning section is connected to the dental mold body. The positioning section, the connecting part, and the fixing section are arranged along the same central axis. A docking groove is provided at the center of the docking part. The docking groove includes a transition section and a slot with a regular polygonal cross-section. The outer surface of the positioning section is provided with arc-shaped protrusions. The number of protrusions is the same as the number of sides of the slot, and each side of the slot and each protrusion are in a one-to-one correspondence.

2. The dental implant substitute according to claim 1, characterized in that, The substitute material is polymethyl methacrylate resin.

3. The dental implant substitute according to claim 1, characterized in that, The cross-section of the slot is a regular hexagon.

4. The dental implant substitute according to claim 1, characterized in that, The bottom of the slot is provided with a countersunk hole, and the upper part of the countersunk hole is provided with an internal thread.

5. A dental implant substitute according to claim 4, characterized in that, A card platform is provided above the positioning section.

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