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目的:通过X线全景片分析泸州地区青少年的尖牙阻生情况。方法:选取2011年1月~2012年12月在泸州医学院附属口腔医院接受X线检查的1800例12-14岁青少年的X线全景片,统计分析阻生尖牙所占比例以及患者的性别、尖牙阻生部位和阻生类型的差异。结果:尖牙阻生在所有患者中所占比例为3.72%(67/1800),男性:女性为1:1.79;上颌尖牙阻生占3.33%(60/1800),下颌尖牙阻生占0.33%(6/1800),上下颌尖牙同时阻生1例;近中向阻生在阻生尖牙中占92%(69/75),迁徙尖牙占0.22%(4/1800)。结论:本组患者尖牙阻生以女性、单侧上颌尖牙阻生多见,且以近中向阻生为主。
OBJECTIVE: To analyze canine adductor formation in adolescents in Luzhou through X-ray panoramic film. Methods: From January 2011 to December 2012 in Luzhou Medical College Stomatological Hospital, X-ray examination of 1800 cases of 12-14-year-old adolescent X-ray panoramic film, statistical analysis of the proportion of impacted canine and the patient’s gender , Canine impaction site and impacted type of difference. Results: The percentage of canine impaction in all patients was 3.72% (67/1800), in males: 1: 1.79 in females, 3.33% (60/1800) in maxillary canines, 0.33% (6/1800), maxillary and mandibular canine anastomosis in 1 case; proximal and middle occlusion accounted for 92% (69/75) of impacted canines and 0.22% (4/1800) of migratory canines. Conclusions: The incisors of this group were female, and unilateral maxillary canine was impacted more commonly.