Practice Quiz

ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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Patients who smoke are at increased risk for developing periodontal disease because:
  1. Smoking causes an increase in dental plaque.
  2. Smoking causes microvasculature vasoconstriction.
  3. Smoking causes stain accumulation.
  4. Smoking causes an increase in leukocytes.
Explanation
Answer: B - Patients who smoke are at increased risk for developing periodontal disease because smoking causes microvasculature vasoconstriction.
Smoking causes microvasculature vasoconstriction which limits blood supply to the periodontium. Reduced blood flow limits the body's defenses against periodontal pathogens.
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