DENTITION permanent dentition is completed(including the roots)at about 14 to 15 years of age,except for the third molars.which are completed at 18 to 25 years of age.durain of the isyears.The missing,which may be the case.(See figure 1-1) MAXILLARY Centralincisor (first incisor Second mole Second mola First molar (second incisor Central incisor(first incisor) MANDIBULAR Central incisor (first incisor) ateral incisor(second incisor) Canine (cuspid) (c) Second premolar (second bic First molar Second mola FIGURE1-1.A.Casts of primary dentition.B.Casts of per nt dentition -4 DENTITION - 4 - permanent dentition is completed (including the roots) at about 14 to 15 years of age, except for the third molars, which are completed at 18 to 25 years of age. In effect, the duration of the permanent dentition period is l2+ years. The completed permanent dentition consists of 32 teeth if none are congenitally missing, which may be the case. (See figure 1-1) FIGURE 1-1. A. Casts of primary dentition. B. Casts of permanent dentition