acid etch Flashcards
1
Q
how long do you etch enamel for? and what does it look like when washed off?
A
20 secs
when you wash the etch off it looks chalky white or frosted appearance
porous under a microscope
2
Q
what does etching dentine do?
A
opens the dentinal tubules
3
Q
acid etch is thixotropic what does this mean?
A
flows under pressure) and stays where placed, will not run onto exposed dentine or tissue
4
Q
what are conditioners used for in dentistry?
A
(acid etch is used more commonly)
to remove the smear layer
polyacrylic acid gel
5
Q
what is LPOP and the advantages
A
Self-etch primer bonding agent
single use
can be used in paediatric dentistry
Allows you to etch, prime and bond in a single step- easy to use and handle