Answer: A. Chlorhexidine rinses (0.12%) aid in prevention of drug-associated gingival enlargement.

Chlorhexidine rinses help prevent drug-associated gingival enlargement. Chlorhexidine is irritating to eyes and middle ear. It has no effect on suture strength. ChloraPrep is a combination of chlorhexidine and isopropyl alcohol. Serratia can potentially survive, and colonize in chlorhxidine container, thus increasing the chance of serratia outbreaks.

Ref: Dermatology. Bolognia, Jorizzo, Schaffer. 3rd ed. Ch 72.

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