Implant restoration body test piece, retention force tensile experiment device and experiment method

Abstract

The invention provides an implant restoration body test piece, a retention force experiment device of the implant restoration body test piece and an experiment method used for carrying out retention force testing by using the experiment device. The experiment device comprises a lower clamping piece, a bonding retention base station, the implant restoration body test piece and an upper clamping piece, wherein the lower clamping piece includes a first clamping portion matched with a tensile testing machine, and a first installation portion embedded with an implant replacement body; the bonding retention base station is fixedly connected with the implant replacement body; the implant restoration body test piece is provided with an insertion hole connected to the bonding retention base station, and a binder gap is formed between the implant restoration body test piece after being arranged on a periphery of the bonding retention base station and the base station; an outer side surface of the implant restoration test piece has a preset axial surface taper; the upper clamping piece includes a second clamping portion and a second installation portion; a clamping groove is arranged in the second installation portion, and is provided with a clamping surface with the same taper as the axial surface of the implant restoration test piece. A design defect of an existing implant restoration body tensile experiment test piece can be avoided, and experiment errors are reduced.

Description

technical field [0001] The invention relates to the field of basic research of oral implantology, in particular to an implant prosthetic test piece and its retention force tensile test device and test method. Background technique [0002] In the current series of related studies on the retention force of implant restorations, the main methods used by researchers are in vitro tensile tests or fatigue tests. At present, the design of tensile test specimens is mainly divided into the following categories. [0003] The first is to implant the prosthetic A metal ring is cast on the surface, and then connected to the tensile testing machine through a hook. This type of design has the following disadvantages: 1. The design of the surface casting metal ring affects the pressure control when the implant restoration and the implant substitute are bonded; 2. The casting technology cannot process the zirconia all-ceramic crowns commonly used in clinical practice, which is not close...

AI Technical Summary

Problems solved by technology

This type of design has the following disadvantages: 1. The design of the surface casting metal ring affects the pressure control when the implant restoration and the implant substitute are bonded; 2. The casting technology cannot process the zirconia all-ceramic crowns commonly used in clinical practice, which is not close to clinical practice

In the experiment of this kind of design, it is difficult to control the force directly clamped by the upper fixture, and it is difficult to guarantee the complete coincidence of the upper and lower midlines required by the laboratory, and the error of the experimental results is relatively large.

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