INBDE (Integrated National Board Dental Examination) Practice Exam

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Where is the greatest curvature on the CEJ found?

  1. Mesial of max central

  2. Distal of max lateral

  3. Mesial of mandibular central

  4. Distal of mandibular molar

The correct answer is: Mesial of max central

The correct answer is "Mesial of max central." The greatest curvature on the Cementoenamel Junction (CEJ) is typically found at the mesial aspect of the maxillary central incisor. This area tends to have a sharp curvature due to the triangular shape of the tooth and the convexity of the roots on the mesial side. This anatomical feature is important to consider during restorative and periodontal procedures to ensure proper adaptation of dental materials and instruments to the tooth structure. In comparison, the other options are incorrect because the CEJ typically does not exhibit the same level of curvature at those specific locations mentioned.

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