抄録
Clinical data of 886 traumatized permanent anterior teeth in 512 children who were treated at the department of Pediatric Dentistry, Peking University School of Stomatology were collected. The type, reason, and mode of the trauma, the number of teeth involved in each person and time elapsed before treatment were analyzed. The results suggested that boys were more susceptible to traumatic injury of anterior teeth, and the highest prevalence of dental trauma was determined in the 8-10 years age group. Falls was the most common reason. Coronal fracture without pulp exposure was the most common type. Most children went to hospital in 2 to 24 hours after injury.
