Determination of adolescent ages 14-16 years by radiological study of permanent mandibular second molars

This study was conducted to determine the adolescent ages from 14 to 16 years, from dental radiographic study of the closure of apical foramen of permanent second molars. The sample for this study consisted of 116 students (59 males and 57 females) of age range from 13 to 18 years, from South Indian population, from various schools in and around Manipal, Karnataka, India. Here Demirjian method was applied on children of Manipal, where 94.0% of males presented with closed apical foramen at 15 years and 5 months where as 95.0% of female presented with closed apical foramen at 14 years and 9 months.