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The appropriate mechanism of action for a piezoelectric device is: 

During preparation of the magnetostrictive ultrasonic for use, which of the following steps would be ompleted first? 

Harold is removing calculus from the mandibular left posterior sextant.  He is using a universal curet to remove medium-sized deposits when her realizes that his instrument has gotten dull.  When should Harold sharpen the instrument? 

When communicating with the elderly, it may be necessary to:  1. raise the volume of your voice when speaking 2. make eye contact with the patient 3. speak more slowly to the patient 4. give written instructions to the patient.

The founding principle of all health care professions is: 

Advising the patient of the benefits, risks, and expected outcomes of their proposed treatment plan, prior to obtaining the informed consent, promotes which of the following ethical principles?

When the universal curet is sharpened, which of the following is true? 

For cleaning an acrylic denture, which of the following procedures is contraindicated? 

Teaching carefule oral hygiene self-care is an example of promoting good.  “Doing good” for patients describes the principle of veracity. 

Which type of tooth brush should the dental hygieniest recommend to a patient with generalized tooth brush abrasion cause by aggressive brushing techniques with a hard tooth brush?