Coronal Polishing Practice Test

A _____ is a point of support that works as a lever for movement.

Fulcrum

A stain that is dull and yellowish-brown in color is caused by

Inadequate toothpaste or poor hygiene.

Black Stain

Has no relationship to poor oral hygiene.

Exogenous stains are caused by environmental sources and are classified into subdivisions, including which of the following?

Intrinsic stains and Extrinsic stains

How is the rubber cup placed?

Flat against the tooth

If scaling the teeth is indicated before polishing, who performs the scaling?

DDS or RDH

Some polishing agents come as powders to be mixed with water or mouthwash. What consistency works most effectively?

Slurry

The term fulcrum is used to describe the placement of the _____ finger of the hand to stabilize the handpiece or instrument being used.

Third

What is the Theory of Selective Polishing?

Polish the teeth that have stains.

What is the purpose of the coronal polishing technique?

To remove plaque and stains from the coronal surfaces of the teeth

Supervised night guard bleaching

Is effective on extrinsic stains.

Rubber cup polishing __________ recommended to remove intrinsic stains.

Is not

Light stains on the tooth surface can be removed with which material?

Superfine silex

The coronal polishing procedure is indicated

Prior to dental dam placement.

The technique of polishing only those teeth with plaque or stain is called

Selective polishing.

Coronal polishing is not recommended for a patient with tuberculosis because the

Aerosol from the handpiece may spread the bacteria.

Procedure may cause bacteremia.

The prophy angle is held in a ____ grasp.

Pen

For coronal polishing, the recommended low-speed handpiece speed is ____ rpm.

20,000

Tetracycline is an example of an _________ stain.

Intrinsic

A bristle brush should not be used on cementum or dentin because the surface is

Soft and easily grooved.

Plaque and stains are removed from the interproximal areas with

Dental floss.

To avoid injury to the gingival tissue, the rubber cup stroke should be directed

Away from the gingival tissue.

When moving the rubber polishing cup from one area to another, you should use what type of motion?

Patting and Wiping

The occlusal surfaces of the teeth are polished using a

Bristle brush

To polish the buccal surfaces of the maxillary left quadrant, the patient's head is turned _____ the operator.

Upward and toward

When polishing the lingual surfaces of the maxillary anterior, the operator would be seated at the ______ o'clock position.

8 to 9

When performing a coronal polish, the left-handed operator is seated at the ________ o'clock position.

3 to 4

Teeth that have been properly polished

Glossy and Reflect light

Which of the following should be done when polishing the buccal surfaces of the maxillary right posterior sextant?

Establish a fulcrum on the maxillary right incisors.

Have the patient tip his or her head up and slightly away from you.

Hold the dental mirror in your left hand.

The most common of the extrinsic stains found in children is

Green