Sharpening

When evaluating the sharpness of an instrument using tactile evaluation, what do we use?

• Arkansas natural stone

• Power-driven sharpening devices

• Diamond cards

• A testing purple stick

Select all of the following characters of what a sharp cutting edge provides:

• Easier calculus removal

• Improved stroke control

• Reduced the number of stokes

• Increase clinician fatigue

The internal angle formed between the face and lateral surface is an angle between ____ and ____ degrees.

When visually inspecting a dull instrument, what should the clinician see?

• Reflection of light running along the edge of the face

• Sliding over the testing stick

• A rounded junction between instrument face and lateral surface

• Light is not reflected

Select the areas that need to be sharpened.

• Heel

• Middle

• Toe

• Toe-third

A visual detection is depicted of what type of cutting edge?

• Sharp

• Dull

The surface of the cutting edge is _______, and thus the light will ______ back to the viewer.

What sort of cutting edge is shown above?

• Sharp

• Dull

The cutting edge has no ________ and therefore does NOT reflect light.

A sharpening test stick is used for?

• Sharpness evaluation

• Visual evaluation

• Tactile detection

• Sharpen the instrument