A periodontal file is used to remove calculus. It can also be used to remove overhangs.

Removal of calculus from all tooth surfaces and the removal of cementum from root surfaces.

If you plan to engine polish and provide root debridement during the same appointment, you must complete root debridement first then polish. If you provide root debridement first, you could create a periodontal abscess because the paste particles could become trapped under the tissue as healing takes place. 

The reasons(s) for using a modified pen grasp for periodontal instrumentation is because the grasp…

For maximum protection, the facemask must cover all of the following except…

When sharpening a Gracey, use…

A patient with high blood pressure would contraindicate which of the following?

Match the corresponding NMM with the sentence. 

Another term for indexing is

Name two structures involved in keeping fishes afloat in the water column when at rest. (Response should be about 1-2 sentences)