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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What is the only tooth with one cusp?

Canines
Premolars
Primary
Permanent

Explanation

Answer: A - Canines are the only tooth with one cusp. They are considered the “cornerstone” of the dentition because of the long, large root, which is externally manifested by the canine eminence of the maxillary alveolar bone. The canines and incisors together are considered “anterior” teeth.

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