Setting teeth

Question 1

pros and cons of acrylic teeth (PMMA)

Answer 1

pros 
- chemically bonds to base 
natural appearance and silent function 
easy to adjust 
cons 
low abrasion resistance 
insoluble in mouth fluids - may be some dimensional chnage over time

Question 2

pros and cons of porcelain teeth

Answer 2

pros 
natural appearance 
inert in oral fluid 
high heat distortion 
cons
may be noisy during function 
require mechanical attachment 
brittle

Question 3

overbite

Answer 3

vertical misalignment

upper front teeth excessively overlap lowers when posterior teeth are closed

Question 4

overjet

Answer 4

horizontal misalignment

horizontal separation of more than 2mm between uppers and lowers when posterior teeth are closed

Question 5

ridge lap

Answer 5

section of artificial tooth that is aheavily cross linked acrylic area that specifically bonds to the denture base

Question 6

freeway space

Answer 6

space between teeth at rest

usually 2-4mm