What is the most common cause of most tooth, gum, and periodontal disease?
a. Sugar
b. Halitosis
c. Plaque
d. Smoking
ANS: C
Plaque is the primary cause of most tooth, gum (gingiva), and periodontal disease. Plaque, the whitish yellow substance that builds up on teeth and gum lines, is thought to originate from saliva. Plaque forms a sticky meshwork that traps bacteria and food particles. If not removed regularly, it thickens, and bacteria proliferate. Sugar is not a cause of dental disease as such but becomes a problem when poor oral hygiene allows it to collect in the oral cavity. Halitosis is a symptom of poor oral hygiene but is not a cause of dental disease. Although smoking can contribute to periodontal disease through vasoconstriction, it is not a cause of dental disease.
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