Personalized root type implant

By using Ti-40Ta alloy and 3D printing technology to prepare personalized root-shaped implants, the problems of traditional implants being difficult to match extraction sockets and having unstable connections are solved, achieving immediate implantation, stable connection and improved aesthetic results, while reducing stress shielding effect.

CN224155791UActive Publication Date: 2026-04-24SOUTHERN MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202520098167.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-04-24
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Traditional implants are difficult to match with personalized extraction sockets, affecting the immediate implantation results. They also have limited connection methods, poor aesthetics, and the stress shielding effect caused by traditional materials leads to bone resorption.

Method used

Personalized root-shaped implants were fabricated using Ti-40Ta alloy, with Morse taper holes and internal hexagonal base holes designed. The implants were then perfectly matched to the extraction sockets using 3D printing technology. Combined with a biomimetic trabecular bone structure and a porous design, the central screw hole and Morse taper holes were used to improve the stability of the prosthesis connection.

Benefits of technology

It achieves precise matching between the implant and the extraction socket, reduces the treatment cycle, improves the stability and aesthetics of the denture, reduces the stress shielding effect, and enhances biocompatibility and osseointegration.

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Abstract

The utility model discloses a personalized root type implant. Comprising an implant body, a central screw hole is formed in the upper end of the implant body, a Morse taper hole is formed in the upper portion of the central screw hole, and an inner hexagonal base hole is formed in the upper end of the Morse taper hole; the implant made of Ti-Ta alloy is close to a bone tissue of a human body, so that the stress shielding effect is effectively reduced; meanwhile, due to the introduction of tantalum, the corrosion resistance and bone combining capacity of the material are improved; a 3D printing technology is adopted to realize that the implant is completely matched with a tooth extraction socket in shape, and bone holes and convex blocks of a bionic bone trabecula porous structure are constructed on the surface of the interior part of a bone, so that the implant is convenient to mount in a tooth socket; the central screw hole and the Morse taper hole are designed at the upper end of the implant, so that the false tooth is conveniently mounted and connected, and the inner hexagonal base hole is formed at the upper end of the implant, so that the connection stability of the false tooth is conveniently improved, and the false tooth is prevented from rotating and falling off.
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