Isabella is examining the working-end of a periodontal instrument. The instrument has a rounded toe, rounded back, and two cutting edges per working-end. What design classification is this instrument?

Which of the following correctly describes the type of lateral pressure used with a calculus removal stroke?

“Positioning the first 1 to 2 mm of the working-end’s lateral surface in contact with the tooth” is a definition for which of the following?

Which term refers to the tooth surface furthest from the midline?

The correct face-to-root surface angulation for root debridement is:

“The relationship between the face of a calculus removal instrument and the tooth surface to which it is applied” is a definition for which of the following?

Which of the following are design characteristics of a universal curet?1) Face is perpendicular to the lower shank2) Face off set at 70 to 80 degrees to lower shank3) One cutting edge per working-end4) Two cutting edges per working-end

While working on the facial surface of a molar, you notice that the terminal shank is “down and around” the tooth. What should you do in this situation?

Modifiable risk factors for periodontal disease include which of the following? You may select more than one answer. (Select all that apply.)

In preparation for inserting the working-end beneath the gingival margin on the facial aspect of a molar tooth, the clinician should do which of the following?