Smokers have greater probing depths, gingival recession, loss of attachment, and bone loss than non-smokers. Cigarette smoking is a potential contributing factor in necrotizing ulcerative gingivitis
A) Both statements are true.
B) Both statements are false.
C) First statement is true, second statement is false.
D) First statement is false, second statement is true.
A
Explanation: A) The number of cigarettes plus the number of years someone has been smoking is known as a dose response. Smokers have greater probing depths, gingival recession, loss of attachment, and bone loss. In addition, cigarette smoking contributes to necrotizing ulcerative gingivitis.
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