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Why  is it critical that the point of the ultrasonic tip never be adapted to the root surface?

Which of the following can occur through the use of dull instruments for debridement? 

The purpose of EBDM is to: 

Supportive care is cyclical in nature.  Which of the following items places the sequence of supportive care elements in correct order? 

Ultrasoncially debrided treatment sites have higher levels of bacteria than sites instrumented with hand -activiated curets.  Both manually-activated and ultrasonic instruments have been shown to accomplish effective periodontal debridement of subgingival root surfaces. 

A major advantage of locally delivered antimicrobial agents over systemically delivered agents is the lowered dose of drug in blood plasma.  This means that the active agent is also present in a much lower dose at the site of infection.  

All the following are true with regard to the aging patient, EXCEPT one. Which one is the EXCEPTION? 

A patient   with an unshielded cardiac pacemaker requires antibiotic premedication before treatment.  Ultrasonic scaling systems are safe in patients with an unshielded cardiac pacemaker.  

Being accoutable for one’s own actions is assuming: 

When treating a culturally divers client, longer time should be scheduled for all of the following EXCEPT which one?