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The cutting edge of scaling instruments dull with use.  Dull cutting edges are less effective in removing deposits than sharp cutting edges. 

All the following are correct techniques for use of an ultrasonic scaler EXCEPT:

When sharpening the lateral sides of a sickle scaler using an instrument stable technique: 

The probing depth of the facial aspect of a maxillary first molar is 2 mm.  The tooth has 3 mm of tissue recession on the facial. What is the clinical attachment level of the facial of this tooth?

Measures focused on the prevention of root caries for the elderly include: 

Martha is unable to remove calculus deposits from the maxillary right posterior sextant.  The medium-size deposits are located 3mm beneath the gingival margin and Martha is using her universal curet.  She is beginning to wonder if the cutting edges on the universal curet are dull.  How can she evaluate the sharpness of the instrument? 

All of the following are true of sharpened instruments, EXCEPT one.  Which is the EXCEPTION? 

Slim/thin style ultrasonic tips are the BEST choice for which kinds of deposits? 

Predict which hormone would produce more lasting cellular effect:

Factors outside the oral cavity that place the elderly at risk for dental problems include: