INBDE (Integrated National Board Dental Examination) Practice Exam

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All teeth have HOC on the facial to be cervical third except what teeth?

  1. Maxillary incisors

  2. Maxillary canines

  3. Mandibular molars

  4. Mandibular premolars

The correct answer is: Mandibular molars

The correct answer is mandibular molars. In general, the height of contour (HOC) on the facial surface of a tooth is located in the cervical third, except for mandibular molars. Mandibular molars have their height of contour in the middle third rather than the cervical third. Maxillary incisors and canines as well as mandibular premolars all typically have their height of contour on the facial surface in the cervical third.

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