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Which standard precaution may be used to inactivate an infectious agent and break the chain of disease transmission?

The incidence of gingivitis is greatest in what area? 

Which one of the following is a mineralized deposit?

Which of the following are characteristics of an ideal disinfectant?

Eye protection for the dental team members and patients is necessary to prevent physical injuries and infections of the eyes.  Removal of a mask in the treatment room immediately following the use of aerosol-producing procedures permits direct exposure to airborne organisms. 

The maximum caries-inhibiting effect of fluoride is seen when there has been systemic exposure prior to tooth eruption and which of the following? 

What is the MOST widely accepted method of tooth brushing intended to remove dental biofilm adjacent to and directly beneath the gingival margin? 

Water softeners remove fluoride from water. 

All of the following statements regarding power toothbrushes are true EXCEPT one.  Which is the exception? 

Blood, suctioned fluids, or other liquid waste may be carefully poured into a closed container and placed into the biohazard trash in compliance with applicable local regulations