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本文是耶路撒冷哈达萨(Hadassab)医疗中心口腔颌面外科在该地区5年期间确诊有切牙区额外牙的159例病案中,100例具有完整的追踪观察资料进行回顾性研究后,从年龄、性别、数目、萌出情况、位置、形态及对恒牙的影响等方面进行精确的统计,并与以往类似资料对比而进行有关评价。 结果与讨论 本文报告由于额外牙而致局部错(牙合)占病例总数80％,其中恒牙萌出迟缓占52％,恒牙倾斜扭转28％,牙根弯曲13％,牙根发育迟缓10％,根外
This article is a retrospective study of 159 cases of oral and maxillofacial surgery at the Hadassab Medical Center in Jerusalem in the five-year period in the area with additional teeth in the incisor area. One hundred patients with complete follow-up data were retrospectively analyzed from the age, Gender, number, eruption, location, shape and impact on the permanent teeth and other aspects of accurate statistics, and compared with the previous similar information for evaluation. RESULTS AND DISCUSSION This report reports partial occlusion of 80% of the total cases due to extra teeth, with 52% of permanent teeth edema, 28% of permanent teeth skewed, 13% of root bends, 10% of delayed tooth root growth, outer