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Veterinary Technician

Category - Dentistry

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Which of the following choices represents the best reason why polishing the teeth is an important step during dental prophylaxis?

Improves the esthetics of the teeth
It cleans off any leftover tartar
It kills any remaining harmful bacteria
It lessens the adherence of plaque-causing bacteria

Explanation

Answer: D - Polishing the teeth lessens the adherence of plaque-causing bacteria. After scaling, the surface of the tooth is rough, which allows plaque-causing bacteria to stick to the surface. This hastens the onset of dental disease. Polish also serves to smooth the surface of the tooth.

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