The HVE Has Three Main Purposes: (1)retract Tongue and Cheek;

question 42

Multiple Choice

The HVE has three main purposes: (1) retract tongue and cheek; (2) keep mouth free of saliva,blood,debris,and water; and (3) :

• A)reduce the bacterial aerosol spray caused by the high-speed handpiece.
• B)keep the patient's mouth fresh.
• C)keep oral tissues from dehydrating.
• D)none of the above.

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