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Development and preliminary application of orthodontic friction dynamic testing apparatus / 北京大学学报(医学版)
Journal of Peking University(Health Sciences) ; (6)2004.
Article in Chinese | WPRIM | ID: wpr-565819
ABSTRACT

Objective:

To design and assemble an orthodontic friction prototype testing apparatus and evaluate its performance.

Methods:

Simulating progressive tooth tipping movement,results of the opera-ting friction trials are reported at different archwire-bracket angulation.

Results:

An orthodontic friction testing apparatus was designed and developed,by which the complexity of tooth movements observed with in vivo sliding mechanics was simulated and a series of in vitro friction experiments were conducted.This friction testing apparatus enables previously unattainable testing of the orthodontic archwire-bracket-ligation interface.In the passive configuration or the active configuration with second-order angulation,the friction in sliding mechanics was measured.

Conclusion:

The apparatus presented has the ability to allow for a high standard of basic hypothesis testing,product development and performance evaluation with relative ease.Furthermore,it will be the prototype of a computer-controlled multifunctional friction testing device in the near future.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Peking University(Health Sciences) Year: 2004 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Peking University(Health Sciences) Year: 2004 Type: Article