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