Practice Quiz

ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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What abnormal condition occurs when vital dentin is exposed to the oral cavity environment?
  1. Thermal hypersensitivity
  2. Rapid hypersensitivity
  3. Dentinal hypersensitivity
  4. Gingival hypersensitivity
Explanation
Answer: C - Dentinal hypersensitivity is an abnormal condition that occurs when vital dentin is exposed to the oral cavity environment. The results are that painful stimuli can reach the pulp and cause pain. There is minimal gingival recession and loss of enamel. Dentinal hypersensitivity is defined as having a rapid onset, sharp pain with short duration, and is responsive to stimuli.
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