Determination of Marginal bone Level in the Normal Primary Dentition

Abstract

The aim of the present study was to establish the normal range for the radiographic distance between cemento-enamel junction and the marginal bone level in the primary dentition using bitewing digital images. The samples examined in this study were 120 Iraqi children 7 and 8 years old (60 male and 60 female). The parameters were measured using the DIXI2 configuration software, which is automatically installed from Dimaxis software. Results showed that the mean of marginal bone height of the normal primary molars was (1.37 ± 0.48 mm). In addition, individual surfaces displayed distance ranging from (0.5-2.5). It was concluded that the normal marginal bone level in posterior primary dentition was (0.0-2.0) and bone loss occured when the distance between cemento-enamel junction and the marginal bone level more than 2 mm.