INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the correct progression for calcification of teeth?

Begins at the gingiva and proceeds upward
Begins at the root and proceeds to the cusp
Begins at the cusp tip and proceeds cervically
Begins at the tooth base and proceeds to the tip

The correct answer is: Begins at the cusp tip and proceeds cervically

The correct progression for calcification of teeth starts at the cusp tip and proceeds cervically. This means that initially, calcification occurs at the highest point of the tooth, which is the cusp, and then progresses towards the base or cervically. This process is important for the development of the tooth structure and its hardness. Options A, B, and D are not the correct progressions for the calcification of teeth. Calcification does not begin at the gingiva (Option A), root (Option B), or tooth base (Option D) and proceed in those directions. The typical sequence involves the initiation of calcification at the cusp tip, followed by progression towards the base of the tooth.