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증령에 따른 치조골의 변화에 관한 방사선학적 연구(I)
RADIOGRAPHIC STUDY OF THE ALVEOLAR BONE CHANGES WITH AGING

대한구강내과학회지 1984년 8권 1호 p.77 ~ 82

김영구, 박태원,

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김영구 ( ) - 서울대학교 치과대학 구강진단학교실
박태원 ( ) - 서울대학교 치과대학 구강진단학교실

KMID : 0355219840080010077

Abstract

The author measured the degree of alveolar bone resorption around mandibular central incisors in Korean females (254).
Mandibular central incisors were selected from the females who do not have periodontal disease or malocclusion.
The selected radiograms were enlarged in the 5" x 7" printing papers for the precise measuring. The obtained results were as follows;
1. The average alveolar bone resorption around mandibular central incisors in Korean women were 1.91mm in 3rd decade, 2.16mm in 4th decade, 2.51mm in 5th decade, 2.70mm in 6th decade, 2.94mm in older age group.
2. Alveolar bone resorption and age were in positive correlation; there is a tendency that the alveolar bone resorption increase with aging.
3. The regression equation is as follows.
Y = 13.25x + 7.06 (r = 0.60, n = 254)
(Y =estimated age, x = Length (C-E Jun Lion-alveolar crest)