Slim-diameter powered instruments are more effective in treating Class II and III furcations when used by experienced clinicians.  Hand instruments have been shown to be more effective in deplacing root surfaces. 

Proper angulation of the supragingival handpiece for anterior teeth is 

Lydia dos not lubricate her sharpening stone.  What is the major problem with not lubricating a sharpening stone?

From what surfaces can you access the furcations on maxillary molars? 

Oral hygiene instruction should be initiated before the oral prophylaxis is started because the: 

Which of the following power settings is necessary for removing biofilm on a six-month recare patient? 

When evaluated visually, a sharp cutting edge will;

Which of the following is NOT required for success instrument sharpening?

Lubrication of sharpening stones is important for all of the following reasons EXCEPT:

All of the following oral conditions contraindicate the use of air polishing with aluminum trihydroxide air-polishing except: