Occlusal Stresss가 Cervical Abrfaction에 미치는 영향
The effect of occlusal stress on cervical abfraction
김호중, 정문규,
소속 상세정보
김호중 ( Kim Ho-Joong ) - 연세대학교 치과대학 보철과학교실
정문규 ( Chung Moon-Kyu ) - 연세대학교 치과대학 치과보철학교실
KMID : 0362419960340020299
Abstract
In order to epidemiologically verify the tensile that cervical abfraction is developed from the tensile stress during lateral excursion, comparisons between the experimental group with cervical abfraction and the control group without cervical
abfraction was made by examining the occlusal wear and its patterns from the dental cast. 1. The degree of occlusal wear in the experimental group with cervical abfraction was higher than that of control group without cervical abfraction.(p<0.05). 2. No significant difference in the occlusal wear pattern was found between the experimental group and the control group. 3. Higher degree of occlusal wear was found in the age group of above 40 than that of below 40.(p<0.05).
4. There was a correlation between the degree of occlusal wear and the degree of cevical abfraction.(p<0.05). 5. There was a correlation between the age and the degree of cevical abfraction.(p<0.05). It can be concluded that occlusal stress is the etiologic factor of cervical abfraction, but no clear distinction was made between the relationship of tensile stress and cervical abfraction.
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