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den200 final
Term | Definition |
---|---|
Retention holds a material in place and seals the structures together. | false |
Which of the following types of composite resins is most often used today? | Hybrid |
A 1:1 mercury-to-alloy ratio is known as the | Eames technique. |
Materials used to restore posterior teeth must be capable of withstanding _____ psi. | 28,000 |
All of the following are steps in finishing a composite restoration except | burnishing. |
A(n) _____ is defined as a mixture of two or more metals. | alloy |
Which of the following statements is true of the composition of tooth-whitening materials? | When the product contacts the teeth, it allows oxygen to enter the enamel and dentin, which whitens the colored substances. |
The ADA and the National Institute of Health–Nations Administration _____ the use of amalgam as a posterior restorative material. | forbid |
A properly triturated amalgam mix should | be a soft, pliable mass. |
The resin matrix component of composite is dimethacrylate, a fluid-like material also referred to as | BIS-GMA. |
The purpose of packing the amalgam in the cavity preparation is to _____ it. | condense |
The silver filling material used for more than 150 years to restore primary and permanent teeth is called | amalgam. |
To adjust the occlusion on a recently place amalgam, the patient should be instructed to bite ______ on the articulating paper. | lightly |
Before they can be marketed, new dental materials must undergo strict evaluation by the | ADA. |
The dental restorations created in the laboratory by the dental laboratory technician are classified as _____ restorations. | indirect |
For adhesion to take place, _____ film thickness is desired. | a thin |
Which of the following correctly lists the different restorative materials from weak to strong? | Composite resin, silver amalgam, gold alloy |
The instrument used to smooth the amalgam surface is | a burnisher. |
The process of setting of a material is correctly referred to as | curing. |
All of the following are advantages of amalgam over composite as a restorative material except | esthetics. |
Glass ionomer can be used for Class _____ restorations. | V |
Mixing alloy and mercury together to form a mass is called | amalgamation or trituration. |
A porcelain casting is chosen over metal castings because of each of the following except that it | has a high thermal coefficient of expansion. |
One of the fastest and most cost-effective ways of restoring the esthetic appearance of teeth is | bleaching. |
A temporary restorative material should be selected to restore a tooth that has | sensitivity. |
The curing process in which it is the most critical that the materials are mixed and placed within the working and setting times is with | auto-cured materials. |
Single-spill capsules | contain 600 mg of alloy. are used for small restorations. should be discarded immediately after use. All of the above are correct. |
The type of ceramic most often used in dentistry for castings is | porcelain. |
The term restorative describes the ability to | remove disease and restore function. |
Ideally, composite resin shades should be chosen in | daylight. |