Characteristics of permanent maxillary central incisor:
a. Wider mesiodistally than buccolingually***
b. Cingulum in middle third
c. Mesial side is more rounded than distal
Wheeler's Dental Anatomy Physiology & Occlusion 9Ed 2010, Page 99
a. The maxillary central incisor is the widest mesiodistally of any of the anterior teeth
b. The mesial outline of the crown is only slightly convex with the crest of curvature. The crown is looks wedge-shaped or triangular
c. below the cervical line a smooth convexity is Cingulum
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