What term specifically implies that treatment is limited to that which can be accomplished by qualified and licensed hygienists? 

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

Cross-contamination refers to the spread of microorganisms from one source to another; this may include which of the following?

When should he face mask be changed? 

The herpes virus remains latent in the nerves after the initial infection and may reoccur when triggered by which of the following? 

Pre-procedural rinsing and other oral hygiene measures help to prevent the spread of communicable diseases.  Pre-procedural rinsing and other oral hygiene measures decrease the number of microorganisms in the oral cavity.

Which of the following is the least preferred method of pre-cleaning instruments before sterilization?

Of all the nonverbal cues that establish good patient rapport, which one is the MOST important in the North American culture?

Which of the following is NOT a “tarter control” dentifrice ingredient?

Which one of the following is a loosely adherent mass of bacteria and cellular debris and is white or grayish-white in appearance?