Age of Attainment of Mineralization Stages of the Permanent Dentition

Abstract
All teeth share morphologically distinct stages of mineralization which can be identified radiographically [1–11]. Bilaterally symmetrical teeth attain each stage at a similar age [1,7,9–12]. Among individuals, the age at which each stage is attained varies, and the variability increases with age [13]. Males and females differ in the age at which their permanent teeth attain various stages of mineralization [2,8,9,11,14], but Nolla [9] has reported the degree of variability is similar in both sexes. The amount of sex differential varies among the teeth and is greatest for the mandibular canines [2,8,9,14].

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