鞍山地区错牙合畸形患者的 Bolton 指数分析

鞍山地区错牙合畸形患者的 Bolton 指数分析
刘启明
【期刊名称】《数理医药学杂志》
【年(卷),期】2013(000)006
【摘要】Objective :To analyze the frequencies of Bolton index ratios and Bolton tooth size discrepancy frequency in different malocclusions in Anshan .Methods:Bolton indexes were measured and analyzed in ran-domly chosen 150 dental casts of three Angle's malocclusions by the method described by Bolton .Results:Bolton indices of anterior and overall tooth size of Class Ⅲ patients were significiently greater than that
of Class Ⅱ .The anterio r and overall tooth size discrepancies frequency were 21 .33% and 13 .33% for all the
malocclusions ,respectively ,and were no significant differences in anterior or overall tooth size discrepancies frequency among the three Angle's malocclusions in Anshan .Conclusion:Tooth size discrepancy of malocclu-sion patients was not the general cause of malocclusion ,but Bolton's tooth size analysis be performed before initiation of orthodontic treatment in Anshan .%目的：分析鞍山地区错牙合畸形患者的Bolton指数及Bolton指数不调发生率的分布情况。

方法：选择150例错牙合畸形患者的记存模型，安氏Ⅰ、Ⅱ、Ⅲ类错颌患者各50例，分别测量上、下颌前牙量和全牙量，计算Bolton指数值并对其分布进行分析。

结果：鞍山地区安氏Ⅲ类错牙合畸形患者的前牙及全牙Bolton指数均大于安氏Ⅱ类，具有显著性差异（P＜0．05）；鞍山地区错牙合畸
形患者的前牙比及全牙比不调的发生率分别为21．33％、13．33％，但是不同安氏分类间差异无统计学意义（ P＞0．05）。

结论：鞍山地区错牙合患者的Bolton指数异常不是错牙合畸形发生的主要原因，但在临床制定矫治计划时应予以考虑。

【总页数】3页(P667-668,669)
【作者】刘启明
【作者单位】鞍山市铁东区口腔医院鞍山114008
【正文语种】中文
【中图分类】R783.5
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