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Expanded tooth implant

A technology for dental implants and implants, applied in dentistry, dental implants, dental prosthetics, etc., can solve problems such as shedding, implant loosening, and implant failure, and achieve the effects of increasing the area, improving the holding force, and being easy to operate.

Inactive Publication Date: 2010-04-07
FOURTH MILITARY MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The initial stability of the implant is not only affected by the implant itself (length, diameter, shape), but also has a close relationship with the bone quality. The early stability of the implant causes the implant to loosen and fall off, resulting in implant failure

Method used

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Examples

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Embodiment Construction

[0031] Example figure 1 As shown, it includes an implant body 1, an expansion core 3 matched with the implant body 1, and a prosthetic abutment 2, which are formed by screwing and fitting each other. Among them, the implant body 1 is a hollow structure and the upper part of the inner wall has an internal thread 5, and the inner wall thread can make the expansion core 3 in the implant body 1 rotate up and down along the thread; the outer surface of the implant body 1 has an implant surface Thread 4; its neck shoulder 7 is an enlarged extension of the outer diameter of the implant body 1, and the inner side of the neck shoulder 7 is an inverted tapered structure, and its outer surface is a smooth surface; the outer surface of the bottom end of the implant body 1 is Hemispherical surface; the lower section of the implant body 1 has three equally divided longitudinal gaps 6 along its long axis to connect the inside and outside of the implant body; the centerlines of the root end g...

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Abstract

The invention belongs to a medical apparatus, and in particular relates to an expanded tooth implant, which is characterized by consisting of an implant body (1) and an expanded core (3) and a repair base station (2) matched with the implant body (1), which are mutually embedded by threads. The implant can improve the tightness of the implant in bones, particularly under the condition of loose bones so as to improve the initial stability and reduce the loosening and falling rate, and can also be planted immediately after routine exodontia.

Description

technical field [0001] The invention relates to a medical device, in particular to an expandable dental implant that can be widely used in the oral cavity and maxillofacial region. Background technique [0002] Dental implant restoration is a new method of tooth restoration that emerged in the last century. Dental implant technology is to implant artificial tooth roots (also known as dental implants) in the alveolar bone of the edentulous area, and use it as a basis to restore missing teeth. It will gradually develop into a trend, integrating medicine, materials science, mechanical technology and biomechanics interdisciplinary. The scope of application includes single tooth loss, partial tooth loss, complete edentulous, jaw and facial defects. Dental implants are similar to natural teeth in form and function. They have independent artificial roots and do not damage adjacent teeth. They have good aesthetic effects and can solve problems that cannot be solved by traditional d...

Claims

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Application Information

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IPC IPC(8): A61C8/00
Inventor 孔亮肖剑锐李涛周弘赵铱民胡开进
Owner FOURTH MILITARY MEDICAL UNIVERSITY
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