midterm1; maxillary custom tray

Question 1

where should the vibrating line be

Answer 1

3-5 mm distal to the most posterior tooth, and 3-5 mm cervical to gingival margin throughout entire arch, (facial) then straight line across from distal of molars across (include palate)

Question 2

whats the point of occlusal stops? where are they

Answer 2

to help maintain uniform and even space for impression material and to protect functional cusps/ also one on the palate?

location: non functional cusps and excluding the prepared tooth! (Draw them on then cut them off after placing pink wax)

Question 3

whats triad made of

Answer 3

photopolymerized resin
-urethane dimethacrylate based.
when removed from light protective package it is soft and hardens with vlc– visible light cure

Question 4

after placing wax what do u do

Answer 4

foil, then place stops , punch through foil and wax in areas marked for stops,add layer of wax on top of the holes

Question 5

whats vlc

Answer 5

visible light cure unit for curing material.

Question 6

how long do u cure the tray

Answer 6

2 minutes initially, (take out wax) final cure is 6 minutes