Nihon Hotetsu Shika Gakkai Zasshi
Online ISSN : 1883-177X
Print ISSN : 0389-5386
ISSN-L : 0389-5386
Evaluation of Tooth Supporting Structure Function by Using Its Step Response
Yozo Hikida
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1988 Volume 32 Issue 2 Pages 293-307

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Abstract
The purpose of the present study was to establish a simple and objective method for clinical diagnosis of the tooth supporting structures. The method was based upon the detection of acceleration response of the tooth supporting structures applied the step functional load by the breaking pencil-leads.
The parameters, set on the acceleration response wave, were selected which were in the proportional relation with the clinical mobility.
The mobility changes of the same healthy tooth were examined on day-by-day and within-a-day. In a patient worn CSC telescopic denture, the abutment teeth mobility changes were observed through one hundred sixty seven days.
As the results, T 4, the time of the first period of the acceleration wave, was the most adequate parameter for the clinical diagnosis when the labial-to-lingual load was applied to the tooth.
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© Japan Prosthodontic Society
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