蚌埠市中小学生恒前牙折断状况分析

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2h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.

Analysis of the status of fractured permanent anterior teeth of primary and middle school students in Bengbu city

Objective This paper analysed the clinical characteristics and pathogenesis of permanent anterior teeth broken of primary and middle school students and gave the guidance of protection and treatment of the dental trauma for school- children. Methods 202 cases with 282 broken teeths were collected in the insitute,which went to the Department of Sto- matology of Bengbu Third People＇ s Hospital receiving treatment from January 2006 to December 2010, and the injured place, reason, gender, age, tooth position, distribution, damage of dental treatment time and the treatment effect were ana- lyzed. Results Schoolchildren permanent anterior teeth broken occurred largely in school. The ratio of boys to girls was 2.67 to 1. And pupils＇ teeth break rate was higher than that of middle school students＇. Children at the ages of 8 to 10 years were apt to to be injured among this group. Also this kind of injury was caused mostly by students playing chases and sports bruises. Among the broken teeth, the rate of maxillary central incisor was 64.5 %, with symmetrical distribution and single tooth of maxillary central incisor injured accounting for 67.82%. Dentin fractured and Crown folded pulp exposure were mainly occurred. Most of patients visited doctors within 2 hours after injured. Conclusion Children＇ s tooth fracture from primary and middle school had some characteristics so that teachers and parents should strengthen the management of students in school,improve their self-protection awareness, and avoid the risk of games and sports in the collision, which can prevent schoolchildren from the occurrence of teeth broken.