INBDE (Integrated National Board Dental Examination) Practice Exam

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Calcification of teeth begins at ________ and proceeds ________.

  1. Root tip; apically

  2. Cusp tip; cervically

  3. Gum line; downward

  4. Root; upward

The correct answer is: Cusp tip; cervically

Calcification of teeth begins at the cusp tip and proceeds cervically. This is because the process of calcification starts at the tip of the tooth and moves down towards the gum line. Option A is incorrect because it mentions the root tip, which is not where calcification typically begins. Option C is incorrect because it mentions the gum line, which is where the process ends, not where it begins. Option D is incorrect because it mentions the root, which is not where calcification begins.