Abt Ideal ROOTS for FPD... Flashcards
1
Q
Ideal Roots in terms of WIDTH?
A
Greater LABIOLINGUAL Width than mesiodistal width…
2
Q
Ideal Roots in terms of shape?
A
Long… Irregularly shaped.. divergent roots offer great support…
3
Q
Not ideal?
A
Short.. conical n blunted roots ..
4
Q
Optimum Crown root ratio?
A
2:3
5
Q
Ideal crown root ratio?
A
1:2
6
Q
Minimal??
A
1:1
7
Q
Ante’s law?
A
The total PERICEMENTAL area of the ABUTMENT teeth should be equal to or greater than the combined pericemental area of the teeth to be replaced…
8
Q
The tooth with the greatest pericemental area??
A
Max 1st Molar… 433 mm2
Then… Mand 1st Molar…
9
Q
Teeth with least pericemental area..?
A
Mand CI… 154 mm2
10
Q
The POSTERIOR tooth with least pericemental area?
A
Mand 1st Pm… 180 mm2