[The facial skeletal characteristics for adults in Shanghai with normal occlusion;the quadrilateral analysis]
60 adults of Han nationalities in Shanghai with normal occlusion were selected for the quadrilateral analysis of cephalograms.The study showed that there existed a definite ratio between the jaw bone and the tooth.The purpose of his investigation was to obtain the ratio and the nature of the malocclusion and make up a reasonable orthodontic treatment plan.
Zhou
L
L
Department of Orthodontics,School of Stomatology, Shanghai Second Medical University.Shanghai 200011,China.
Liu
K
K
Chen
L Q
LQ
Liu
H H
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