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Which of the following statements is true regarding a dental hygienists responsibility for restoration maintenance?

A. The dental hygienist has the responsibility to properly maintain dental restorations. B. The dental hygienist only needs to clean the teeth without regard to the status of restorations. C. The dentist is the only one responsible for maintaining restorations.

Which of the following is NOT a type of ceramic used for esthetic restorations?

A. Zirconia B. Nano-filled composite C. Lucite D. Lithium disilicate

Dental restorations can be identified using all of the following techniques EXCEPT one. Which is the exception?

A. Radiographic images B. Tactile detection C. Applying air to the surface of the restoration D. Applying water to the restoration surface

When using the ultrasonic, all of the following are considered safe practices, EXCEPT one. Which one is the exception?

A. Proper adaptation of the side of the ultrasonic tip B. Directing tip of the ultrasonic scaler into the junction where enamel and restoration meet C. Establishing adequate water flow to prevent overheating D. Establishing appropriate power for effective deposit removal

Aluminum trihydroxide is an abrasive agent that should be avoided on all of the following restoration types, EXCEPT one. Which is the exception?

A. Resin composites B. Resin-modified composites C. Amalgam D. Margins of cemented restorations

Which fluoride application is the preferred choice for esthetic restorations?

A. 0.4% Stannous Fluoride (SnF₂) B. 1.1% Sodium Fluoride (NaF) C. Acidulated Phosphate Fluoride (APF) D. Silver diamine fluoride

Why should clinicians be careful using conventional prophylaxis paste on esthetic restorations?

A. It does not remove stain effectively B. It increases surface roughness on resin composites. C. It causes staining on glazed ceramics

What was the original type of powder used in air polishing systems?

A. glycine B. calcium sodium phosphosilicate C. aluminum trihyrdoxide D. sodium bicarbonate

All of the following products works well as an alternative to regular prophylaxis paste, EXCEPT one. Which is the exception?

A. Desensitizing paste with 8% arginine and calcium carbonate B. Specialty pastes created for esthetic restorations C. Fine polishing paste with xylitol and fluoride D. Silver jewelry polish

What term is used to describe deterioration of amalgam restorations caused by chemical or electro-chemical reactions?

A. Tarnish B. Pitting C. Corrosion D. Staining

Which of the following statements regarding polishing amalgams is incorrect?

A. Amalgams with fractures should not be polished. B. It is acceptable to polish amalgam restorations that have recurrent caries present. C. If an amalgam does not have a good proximal contact, it should not be polished. D. If the anatomy can be maintained, an amalgam can be polished.

All of the following conditions are contraindications for performing finishing and polishing procedures on amalgam restorations, EXCEPT one. Which is the exception?

A. Open margins B. Large voids at the cavosurface margin C. Excess restorative material that extends over the cavosurface margin D. Teeth that are treatment planned for extraction E. Gross overhangs

It is the dental hygienist’s responsibility to document their findings and report them to the dentist.

A. True B. False

What is the restorative material used on tooth #15?

A. Gold B. Amalgam C. Porcelain fused to metal D. Composite

What is the restorative material used on tooth #13?

A. Gold B. Amalgam C. Ceramic D. Composite

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