Dental Instruments and Tray Setups Flashcards

Which instrument in a crown and bridge tray setup is used to seat and remove temporary crowns?

Answer: Crown remover (crown and collar scissors or crown puller)

A crown remover or crown puller is used to dislodge temporary and permanent restorations without damaging the tooth or crown.

What is the function of articulating paper during a crown cementation appointment?

Answer: To check the occlusion of the newly cemented crown

Articulating paper marks high spots on the crown when the patient bites, allowing the dentist to adjust the occlusion.

A scalpel handle (#3) loaded with a #15 blade is most commonly used during which procedure?

Answer: Soft tissue surgical procedures such as gingivectomy

A #3 scalpel handle with a #15 blade is a standard surgical setup used for incisions in soft tissue periodontal and oral surgery procedures.

Which instrument is used to check the depth and contour of a periodontal pocket?

Answer: Periodontal probe

A periodontal probe has millimeter markings and a blunt tip used to measure pocket depths around each tooth.

In an extraction tray setup, what is the role of the surgical elevator?

Answer: To loosen the periodontal ligament and luxate the tooth before forceps use

Elevators are inserted into the PDL space to sever periodontal fibers and loosen (luxate) the tooth prior to forceps application.

Which component of the endodontic tray setup is used to determine the working length of the root canal?

Answer: Endodontic ruler with rubber stops on files

Rubber stops placed on endodontic files at the measured working length allow the clinician to prevent over-instrumentation of the canal.

When setting up a tray for rubber dam placement, which instrument is used to punch the holes in the rubber dam material?

Answer: Rubber dam punch

The rubber dam punch has a rotating disc with holes of varying sizes used to create openings in the dam for individual teeth.