| 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. |