Midterm1; 9 LD criteria Flashcards
1
Q
incisal reduction
A
Excellent : 2 mm
UX: less than or equal to 1.5 mm
OX: greater than or equal to 3 mm
2
Q
axial reduction
A
excellent: 1.5 mm
UX: less than or qual to 1 mm
OX: greater or equal to 2 mm
3
Q
2 facial plane location
A
Excellent 1/2-2/3 of facial axial wall, (majorly under or oversized is fail)
4
Q
retention resistance
A
6 degrees on each opposing wall is excellent
uX: undercut
OX: greater or equal to 10 degrees
5
Q
margin depth
A
Excellent: 1 mm rounder shoulder
UX : less or equal to .5 mm
OX: greater or equal to 1.5 mm
6
Q
margin location
A
excellent: above gum line .01-.5 mm
UX: subgingival
OX: greater or equal to 1mm above gum line
