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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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How many basic shapes do teeth with a cervical cross-section and one root have?

Explanation

Answer: B - Teeth with a cervical cross-section and one root have three basic shapes. The maxillary incisors display a triangular shape. Canines and some mandibular premolars are ovoid or egg-shaped. Maxillary premolars, mandibular incisors, and some mandibular premolars are elliptical.

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