Early diagnoses of any delayed eruption of permanent dentition by radiographic examination and proper treatment ensure better results for children and adolescents.

• 在儿童及青少年时期，藉由临床口腔检查及放射照相方式，对任何延迟萌出的恒齿作早期诊断且适切的治疗，可以确保较佳之治疗结果。