Quiz 7 Flashcards
A #34 bur is BEST describe as
An inverted cone
What will happen to an area of enamel that has been inadvertently etched?
It will return to its normal translucency in a few days without damage to the tooth
If a matrix band were assembled for use on tooth #3, it could also be used on tooth
19
When placing the universal matrix band, the smaller opening of the band will be oriented
Gingivally
When preparing for a pulp test on tooth # 13, which of the following teeth are normally isolated and dried for the test in addition to tooth # 13?
4, # 12
Which dental dam clamp would be selected for placement on a partially erupted tooth?
Clamp with jaws that are tipped Gingivally
Proper burnishing of a matrix band will
Improve contour and contact
The MOST important reason for restoring contacts restoration is to
Reduce the incidence of food impaction
During treatment, the fulcrum point should be established on the
Same side of the area
When using a high speed handpiece during to preparation the air syringe is primarily used to
Keep the mirror clean
When inserted, a matrix band should be
At least 1 mm above the marginal ridge and 1mm below the gingival wall
Undertrituration of amalgam alloy will result in a mass that
Appears crumbly
Which of the following would most quickly allow for preparation of the operatory for an amalgam restoration?
Use a preset amalgam tray
A butter clamp is likely to be used to secure the dental dam for a/an
Anterior tooth for a Cass V cavity preparation
What type of bur is used in the highspeed handpiece?
Friction grip
If gingival tissue is visible between the dental dam and the teeth, the probable cause is that the
Dam is not oriented correctly on the frame