PATTERNS OF OCCLUSION IN THE PRIMARY DENTITION

Shon,  Dong-Su

J Korean Dent Assoc > Volume 15(12); 1977 > Article

The Journal of The Korean Dental Association 1977;15(12):993-997.
Published online December 31, 1977.

유치열 교합양상에 관한 고찰(일차보고)

손동수

서울대학교 치과대학 소아치과학교실

PATTERNS OF OCCLUSION IN THE PRIMARY DENTITION

Dong-Su Shon

Dept. of Pedodontics, College of Dentistry, Seoul National University

Abstract

The author studied clinically the state of sagittal molar relationship, sagittal canine relationship and frontal molar relationship in 3 years old, 1624 children. The results were as followings; 1. In frontal molar relationship, 1369 children(86.0%) showed normal transversal relation, 214(13.2%) showed cross bite and 14(0.8%) showed scissors bite. 2. In sagittal molar relationship, 41 children(4.4%) showed vertical terminal plane, 352(21.7%) showed distal step, 807(49.7%) showed mesial step and 394(24.2%) showed unilaterally. 3. In sagittal canine relationship, 186 children(11.5%) showed same plane, 248(15.3%) showed distal step, 777(47.8%) showed mesial step and 413 (25.4%) showed unilaterally.