midterm questions Flashcards
Where do you want to bind to the dentin?
intertubular dentin
How do you make sure to restore the patient’s occlusion?
check before preparing/rubber dam
Where is stress applied to teeth?
along the long axis
Where do you put the groove for class Ill?
gingival
Why is dentin harder to bond to?
it is more heterogeneous
- Bond between dentin and resin
micromechanical
What affects the placing of composite restoration the most?
moisture control
what does beveling do
exposures ends of enamel rod
Hybrid layer
bonding of dentin to resin
What does cure through matrix allow?
best contour
What gives the best finish of a class Ill restoration?
mylar strips
What is the oxygen inhibited layer?
allows for wetting and addition of more comp
What does incremental layering do?
decreases stress
What is likely if you restore a posterior tooth too high?
PDL trauma
What is the main reason for etching on composite restoration?
increase surface area
Patient has a deep class V fill and complains of sensitivity afterwards, what is most
likely?
etch too long
order of composite
etch, bond, add composite, finish, polis
Where is prismatic enamel?
cervical
Abfraction is where?
cervical
when should you re-etch
contamination
what contact do you leave intact for class III
incisal
In regards to two adjacent preps, what is the order?
prep largest first, restore smallest first
what is not a reason to use a rubber dam
reduce the need for local anesthetic
where do most ideal class III lesions occur
gingival to the contact
