Tooth brushing adequately removes biofilm from all surfaces of he teeth EXCEPT:

Chlorhexidine is safe and effective for use in all of the following EXCEPT one.  Which is the exception? 

Utility or heavy duty poly nitrile gloves are used for which of the following procedures?

Which type of Hepatitis is present only when the person has hepatitis B also? 

Which of the following is a concern for clients who have limited English profieciency?

Subgingival biofilm includes more predominantly gram-negative anaerobic and motile organisms of periodontal disease.

After all external material has been removed from tooth surfaces, the acquired pellicle forms _________.

Which of the following is a disadvantage of a chemical vapor sterilizer?

When should he face mask be changed? 

Which of the following is not a characteristic of a gown or uniform worn in the dental office?