금관 가공의치에서의 대구치 지대치에 관한 형태학적 연구
A Morphologic Study on Molar Abutment Dies
정헌영,
소속 상세정보
정헌영 ( ) - 서울대학교
KMID : 0362719940320060435
Abstract
Abutment dies which resemble the actual size and shape of crown abutment is essential in most of the research area of fixed prosthodontics like marginal accuracy, crown seating, behavior of luting agent and so on. Seeing the large portion of
research
ins done with round shaped dies in different size and cone angles, the necessity of research on the crown abutment is self-evident.
500 molar abutments were collected randomly through the commercial dental laboratoy, regardless of their position in the dental arch, sex, and age. the measurements of 22 points of a die were done, and the results were as follows:
1. The height of the molar dies was 3.9±1.2mm.
2. The bucco-lingual width was 8.9±1.2mm at the base, and 7.4±1.2mm at the occlusal.
3. The desio-distal width was 8.2±1.2mm at the base, and 7.0±1.3mm at the occlusal.
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