前牙外伤,儿童较为常见,其发生率有逐年增加趋势,治疗问题已引起人们重视。牙齿受外力创伤后,除发生牙折和牙髓损伤外,常同时发生脱位松动,需予复位固定。由于替牙期儿童口腔的不利条件,常给固定带来很大困难。本文收集70例13岁以前儿童的前牙外伤,专就固定问题,结合临床体会,加以讨论。 Anterior teeth injury, children are more common, the incidence has increased year by year, the treatment has caused the people attention. Tooth by external trauma, in addition to the occurrence of dental folds and pulp injury, often occur at the same time loose dislocation, to be reset and fixed. Due to the adverse conditions of the mouth of children during the oral cavity, often bring great difficulties to the fixation. This article collected 70 cases of children before the age of 13 cases of anterior tooth trauma, specifically on the issue of fixation, combined with clinical experience, to be discussed.