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Improved dental implant fatigue test fixture

A technology for dental implants and fatigue testing, which is applied to the application of repetitive force/pulse force to test the strength of materials, measuring devices, instruments, etc., and can solve the problems of affecting the test results, inaccurate test results, and redundant dental implant samples. , to achieve the effect of offsetting the interference of horizontal external force and convenient operation

Pending Publication Date: 2022-05-31
TIANJIN UNIV
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AI Technical Summary

Problems solved by technology

The currently used fixtures mainly adopt two methods of screw clamping and threaded connection, but in the actual use process, it is found that both of them will generate excess external force on the dental implant sample, which will affect the test results
In addition, the current device will also affect the force of the dental implant when there is a large level of external force, resulting in inaccurate test results

Method used

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  • Improved dental implant fatigue test fixture
  • Improved dental implant fatigue test fixture
  • Improved dental implant fatigue test fixture

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Embodiment Construction

[0028] In order to further understand the content, characteristics and effects of the present invention, the following embodiments are exemplified and described in detail with the accompanying drawings as follows:

[0029] like Figure 1 to Figure 3 As shown, this embodiment provides an improved dental implant fatigue test fixture, which is mainly composed of a compression system, a fixing system and a water bath system.

[0030] like Figure 4 As shown, the compression system mainly includes an upper pressure head 11, a connecting rod 12, a sliding pressure plate 13, a compression plate 16, a thrust ball bearing core 17 and a replaceable pressure plate 18, an upper pressure head 11, a connecting rod 12, and a sliding pressure plate 13 , Compression plate 16, thrust ball bearing core 17 and replaceable pressure plate 18 are arranged coaxially.

[0031] The main body of the upper indenter 11 is a rod-shaped cylindrical structure, the lower end of which is used to exert force ...

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Abstract

The invention belongs to the technical field of dental implant mechanical testing, and discloses an improved dental implant fatigue test fixture which comprises a compression system, a fixing system and a water bath system, the compression system comprises an upper pressure head, a connecting rod, a sliding pressure plate, a compression plate, a thrust ball bearing core and a replaceable pressure plate; the fixing system comprises an embedding cylinder, an arc-shaped fixing platform upper assembly, a fixing baffle, an arc-shaped fixing platform lower assembly, a platform positioning plate and a T-shaped groove positioning plate. The water bath system comprises a lengthened shaft, a connecting bottom plate, a dry heating rod, a waterproof gasket, a water inlet connector, a water outlet connector, a waterproof thermocouple, a water bath cover, a positioning ring and a connecting cover. The device can better fix a dental implant sample and prevent the dental implant sample from being interfered by extrusion external force during fixing and horizontal external force during loading, and meanwhile, the environment temperature and the total liquid amount of external bionic liquid can be controlled to be kept stable.

Description

technical field [0001] The invention belongs to the technical field of material mechanics testing, and in particular relates to a jig for performing fatigue testing on an intraosseous dental implant sample. Background technique [0002] Dental implant technology, as one of the restoration methods for people's missing teeth, has been gradually accepted by more patients in recent years. Intraosseous dental implants are divided into spiral implants, column implants, leaf implants, anchor implants, etc. The main structures include implant base column, neck and body. Dental implant materials are mainly divided into polymer materials, porcelain, metals and their alloys, among which titanium and titanium alloys are the most widely used materials. In the process of replacing natural teeth, dental implants will be subjected to cyclic loads, resulting in fatigue cracks or even fractures due to long-term chewing in the oral environment. Fatigue test can measure the fatigue properties...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/04G01N3/32
CPCG01N3/04G01N3/32
Inventor 陈刚李成成林强冯少武
Owner TIANJIN UNIV
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