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目的分析中小学生恒前牙折断的发病情况和临床特点,以指导中小学生牙外伤的防护及治疗。方法对2006年1月—2010年12月至蚌埠市第三人民医院口腔科就诊的202名中小学生282颗折断牙从患者受伤地点、原因、性别、年龄、牙位分布、牙体损伤位置、就诊时间和治疗效果等方面进行分析。结果中小学生恒前牙折断多发生在校内,男女比2.67∶1,小学生比率为63.9%,中学生比率为36.1%,好发年龄为8~10岁,受伤原因多为学生间追逐打闹以及运动撞伤,上颌中切牙最多,比率为64.5%,左右对称分布,多为单颗牙,比率为67.82%,以牙本质折断和冠折露髓较多,就诊时间主要集中在伤后2 h内。结论中小学生牙折断有一定规律特征,老师及家长应加强对在校中小学生的管理,提高其自我保护意识,避免危险游戏和运动中碰撞的发生,从而预防前牙折断的发生。
Objective To analyze the incidence and clinical features of primary and secondary school students’ permanent anterior teeth fractures to guide the prevention and treatment of primary and secondary dental injuries. Methods From January 2006 to December 2010, 302 primary and secondary school students from the Department of Stomatology, Third People’s Hospital of Bengbu City from the patient’s location, cause, sex, age, distribution of teeth, location of tooth injury, Treatment time and treatment and other aspects of analysis. Results Primary and middle school students had a permanent anterior teeth break in the school, the ratio of male to female was 2.67:1, the rate of primary school students was 63.9%, the rate of secondary school students was 36.1%, the prevailing age was 8 to 10 years old. The causes of injuries were mostly chasing slapstick among students and exercising Bruises and maxillary incisors, the ratio was 64.5%, symmetrical distribution, mostly single tooth, the ratio was 67.82%, with dentin fracture and coronal polyps exposed more, the treatment time mainly concentrated in 2 h after injury Inside. Conclusions Primary and secondary school students have some regularities of broken teeth. Teachers and parents should strengthen the management of primary and secondary school students, raise their awareness of self-protection and avoid the collision between dangerous games and sports, thus preventing the occurrence of anterior teeth breakage.