|
KMID : 0378019730160040132
|
|
New Medical Journal
1973 Volume.16 No. 4 p.132 ~ p.137
|
|
|
A Study on Stress Exerted on Abutment Tooth by Insertion or Removal of Partial Denture
|
|
|
|
|
Abstract
|
|
|
The 4- channel electronic strain gauge which has been devised and built by the author was applied for the measurement of maximum stress exerted on abutment tooth by insertion or removal of partial denture.
An attempt was made to obtain the stress distribution patterns and maximum stress of four direc￢tions. (mesial, distal, lateral and vertical direction).
Comparing the maximum stress of Au-Pt alloy partial denture using 20/1000 gauge retentive tip Aker´s clasp with that of chrome-cobalt allloy partial denture using 10/1000 gauge retentive tip Aker´s clasp, the auther obtained following results.
1. The maximum stress exerted on abutment tooth in Au-Pt alloy partial denture using 20/1000 gauge retentive tip Aker´s clasp were 1.4kg for mesial direction, 7.2kg for distal direction, 3kg for lateral direction and 1. 5kg for vertical direction in insertion and that were 1.3kg for mesial direction, 7.2kg for distal direction, 5.2kg for lateral direction and zero for vertical direction in removal.
2. The maximum stress exerted on abutment tooth in Chrome-Cobalt alloy partial denture using 10/ 1000 gauge retentive tip Aker´s clasp were 1. lkg for mesial direction, 5.4kg for distal direction, 2.25kg for lateral direction and 0.7kg for vertical direction and that were 1.2kg for mesial direction, 6.2kg for distal direction, 2.3kg for lateral direction and zero for vertical direction.
3. The maximum stress of Au-Pt alloy partial denture in insertion and removal were stronger than that of Chrome-Cobalt alloy partial denture in all directions
4. The maximum stress of Au-Pt alloy partial denture in insertion and removal was same in distal
direction, but stronger in removal than that in insertion in lateral direction,
The maximum stress of Chrome-Cobalt alloy partial denture in removal were stronger than that in insertion in all directions except vertical direction.
5. The maximum stress of distal direction where the clasp tip was located was the strongest. 6. Stress were exerting more or less continuously on abutment tooth.
|
|
|
KEYWORD
|
|
|
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|
|