Quiz 6 chapter 21-24

Examination instruments are the instruments of choice to remove decay and prepare tooth structure for its restoration.

False

Instruments are sequenced on a tray specifically to be used from right to left.

False

A rotary instrument is not complete without the dental handpiece.

True

A long straight-shank bur will fit into the straight attachment of the low-speed handpiece.

True

Disposable prophy angles should be sterilized after use.

False

Torque is the turning power of the instrument when pressure is applied.

True

The high-speed handpiece is equipped with a fiber-optic light.

True

Finishing burs are similar to carbide burs, except the blades are not as sharp and are farther apart.

False

A mandrel should be attached to the high-speed handpiece when using polishing discs.

False

Amalgam is also referred to as an alloy.

True

IRM is the abbreviation for intermediate resin matrix.

False

ZOE is a versatile dental material that can be considered for use as a temporary cement, base, or as a permanent cement.

True

Luting agent is another term for composite resins.

False

rituration is the mechanical process by which the mercury and alloy powder are mixed together.

True

alcium hydroxide is a type of cavity liner.

True

Etchant is a liquid or gel substance applied to the enamel or dentin surface for a specified time in preparing the tooth surface for a bonding material.

True

A base is placed in the cavity preparation before placement of the permanent restoration.

False

Zinc phosphate cement presents an exothermic reaction during the spatulation process.

True

Tooth-whitening products are available in toothpaste, fluoride, floss, mouth rinses, and chewing gum.

True

sthetic dentistry is devoted to improving the appearance of teeth

True

The rationale of cavity preparation is to remove decay and a small amount of healthy tooth structure.

True

Universal matrix bands are made of a soft latex material.

False

Before assembling the matrix into the retainer, you must varnish the band for use.

False

A veneer is a thin layer of tooth-colored material bonded or cemented to the facial surface of the tooth.

False

A wedge is placed in the embrasure to hold the matrix band firmly against the margin of a preparation and to create a natural contact with its adjacent tooth.

True

When a tooth is badly decayed, the placement of a retentive pin along with a bonding material may be required for strength.

Treu

Vital bleaching is a technique that involves the whitening of the pulpal portion of the teeth.

False

The dentist will commonly use hand instruments over rotary instruments to prepare a tooth and place retentive grooves in the preparation.

False

A clear plastic or Mylar matrix strip is the matrix of choice for Class III and IV anterior restorations.

True

Match the type of restoration to Black's classification of cavities.
Incisal Edge Composite
Occlusal Amalgam
Mesial-Incisal Composite
Distal Composite
Mesial-Occlusal-Distal Amalgam
Gingival-Third Composite

Class VI
Class I
Class IV
Class III
Class II
Class V

Describe a dental condition that would require a restorative dental treatment.

1. Management and treatment of carious lesions by restoring them with a permanent restoration.
2. Restoration of defects in tooth structure.
3. Replacement of failed restorations.
4. Abrasion or wearing away of tooth structure.
5. Erosion of tooth structu

Describe a dental condition that would require an esthetic treatment.

1. Discoloration attributable to extrinsic or intrinsic staining.
2. Anomalies caused by developmental disturbances
3. Abnormal spacing between teeth.
4. Trauma