Cavity size
Cavity position
Tooth involvement
Extent of caries
Patient's wishes
1 of 16
What does good cavity prep consist of?
Removal of all caries
Removal of minimum amount of healthy tissue
Avoid accidental exposure of pulp
Protect pulp (linings)
Produce a retentive cavity for restoration
2 of 16
What is the purpose of a mouth mirror?
To aid vision
Reflect light onto tooth
Retract and protect soft tissues
3 of 16
Purpose of right angled probe?
Check aviary margins
Assess soft dentine with a cavity
Detect overhangs in restorations
Push and adapt filling material to suit cavity shape
Make sure that no air spaces are left
6 of 16
Purpose of a burnisher?
Press and adapt restoration to the cavity margins to prevent leakages
Ball/pear shaped
7 of 16
Purpose of enamel chisel?
Remove unsupported enamel from cavity edges
Item is becoming obsolete and is being replaced with the use of various burs
8 of 16
What are methods of moisture control?
High speed suction
Low speed suction
Cotton wool
Dry guards
Rubber dam
3in1 tip
9 of 16
Another name for fast handpiece?
Air Turbine
10 of 16
How many revolutions does a fast handpiece do per minute?
500,000
11 of 16
How many revolutions does a slow hand piece do per minute?
40,000
12 of 16
What does a round bur do?
Gains access to cavities and at a low speed for removing caries
13 of 16
What does a pear shaped but do?
Shapes and smooths cavities
14 of 16
What does a fissure but do?
Shapes and outlines cavities
15 of 16
Types of mandrels
Huey mandrel
Moore mandrel
Pinhead mandrel
16 of 16
Other cards in this set
Card 2
Front
What does good cavity prep consist of?
Back
Removal of all caries
Removal of minimum amount of healthy tissue
Avoid accidental exposure of pulp
Protect pulp (linings)
Produce a retentive cavity for restoration
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