Zhonghua Kou Qiang Yi Xue Za Zhi
January 2013
Objective: To evaluate the five-digit numerical recording system (LAPAL system) for classification of cleft lip and palate.
Methods: Fourteen young doctors took part in the study after receiving one-hour instruction twice for the LAPAL system. Photographs of 200 cases of untreated cleft lip and palate were used for the evaluation.