9/5 - ACC Preparation and Direct Jet Provisional Flashcards
1
Q
do you need a whole arch of microstone to create clear matrix
A
no - for example we only needed the anterior segment
2
Q
trim cast for clear matrix to what thickness
A
15-18mm
3
Q
what type of vacuum form to use for fixed
A
020
4
Q
what teeth do we need to keep for #9 preparation clear matrix
A
6-11
5
Q
why does grady say x2 2 mm reduction for incisal reduction
A
856 is about 1 mm so he says to do the depth of 856 x2
6
Q
shoulder or chamfer for ACC? how long?
A
shoulder 1mm all around
7
Q
what is TIC
A
total INCISAL convergence
8
Q
what is lingual clearance for #9 ACC
A
1.5 mm
9
Q
what is incisal reduction for #9 ACC
A
2 m m
10
Q
when creating #99 ACC Jet provisional, should there be protrusive guidance? with what teeth?
A
8 and #9
11
Q
where should placement of contacts be for #9 direct jet provisional
A
incisal 1/3rd
