Exam 26: Instrumentation Principles and Techniques

You are performing a periodontal maintenance appointment and choose to use the Gracey 14/15 curet in a periodontal pocket on the mesial of tooth #30.How should the instrument look when it is properly adapted?

All of the following are parts of an instrument's functional shank EXCEPT one.Which one is the EXCEPTION?

A right-handed dental hygiene student sitting at 8:00 to debride #26 M with a sickle scaler is having difficulty adapting the instrument to the tooth surface.What adjustment should the student make to better adapt the instrument?

The cutting edge of an instrument is formed by the convergence of

The most appropriate instrument to debride #12 M with a 6-mm pocket and light deposits is a

A dental hygiene student chooses an instrument with a simple shank to remove deposits in a 5-mm pocket on tooth #3.Which statement best describes why this instrument choice is inappropriate?

After sharpening a universal curet multiple times the working end appears to look like a sickle scaler.What factor most likely contributed to this issue?

All of the following are disadvantages of horizontal strokes EXCEPT one.Which one is the EXCEPTION?

The most appropriate instrument to remove a large ring of calculus on the lingual of #30 is a

All of the following are characteristics of a file EXCEPT one.Which one is the EXCEPTION?

In a modified pen grasp the middle finger will do which of the following?

The best treatment to remove biofilm and calculus for a patient with red,swollen papilla; generalized 4- to 5-mm probe depths with localized 6-mm depths; generalized 2- to 3-mm recessions; and moderate bleeding on probing is

A beginning dental hygiene student finds the curet is slipping off the tooth because stabilization of her hand and instrument is not effective.Identify the type of activation most likely contributing to this issue.

A dull periodontal scaling instrument exhibits which of the following properties?

It is important to use instruments with large diameter handles because doing so will help the clinician avoid musculoskeletal hand injuries.

Motion activation is the movement of the instrument to create a stroke on the surface of the tooth.There are two types of motion activation: hand motion activation and wrist motion activation.

When scaling around the line angle of a tooth a clinician must do what to avoid lacerating the soft tissue?

Tissue trauma during debridement with a universal curet may occur if

What is the most likely reason a dental hygiene student may have difficulty accessing #2 DB line angle with a manual instrument during periodontal therapy?

The most appropriate instrument for the initial stage of periodontal debridement with heavy deposits is an instrument with which shank design?