摘要
临床经常可见牙齿邻面接触点的丧失，在两个或更多连续牙齿之间有空隙或缝隙形成牙列间隙，破坏了牙弓的完整性。作者随机抽取患有牙列间隙，邻接牙齿的近远中面之间间隙＞０．５ｍｍ以上的病例６８例，按年龄分三组：１３～１９岁，２０～３４岁，３５～５０岁，用研究模型在接触点水平上采用游标卡尺自动读数进行测量，得出牙列间隙，并对患者的性别、年龄、牙列间隙部位，产生原因以及治疗原则进行了分析和讨论。
Abstract:One of the charactcristic feature of normal occlusion is arch continuity ,as expressed by proximal contact between all teeth in each dental arch. The dental arches of a considerable number of individuals show space between some, or even all, of the teeth. Such dental arches are known as spaced dentition.It is detrimental to arch integrity, esthetics and normal dental function. The purpose of this article to study distribution according to sex and age, number and location of the spaces, their etiology and principle of orthodontic treatment. In a randon sample of 68cases of the participating patients who is space greater than 0. 5 millimeter between the proximal surface of adjacent teeth. The sample were,divided into three age groups:13-20, 20-35, and 35-50 years. The exact width of. each space was measured by calipers in table.
出处
《上海口腔医学》
CAS
CSCD
1994年第2期68-70,共3页
Shanghai Journal of Stomatology
