WorksheetsAbrasive Agents
Total questions: 6
Worksheet time: 60secs
The abrasive component of prophy paste is:
50-60%
10-20%
20-40%
50%
How long does it take to clean dentures?
5-15 mins.
30-45 mins.
60 mins.
15-20 mins.
Why does dentin stain more than enamel?
It's already yellow
It has tubules and is softer
It's more sensitive
Dentin does not stain because it's found underneath enamel
Which material is the most abrasive?
Porcelain
Tungsten carbide
Diamond
Gold
What is flash?
Removing excess restorative material to bring the restoration flush with the cavosurface tooth structure
The integrity of the cavosurface margins for extra material
The action of using a UV light to cure etch
A smooth, continuous line, flush with the tooth surface
Barry Allen
What is finishing?
A procedure used to reduce excess restorative material to develop appropriate occlusion and contour
A procedure that produces a shiny, smooth surface by eliminating fine scratches, minor surface imperfections, and surface stains using mild abrasives. – end result
The removal of material by the act of rubbing, cutting or scraping
The use of air to propel very small microparticles as a replacement for rotary cutting and polishing instruments
