Crown-to-Root
Ratio
1:2 ideal
* 2:3 realistic
* 1:1 minimum
* 2:1 poor (not used for abutments)
overdenture
2 implants -mand, 4-maxilla
cross-linking agent
Glycol dimethacrylate
activator
above HOC
Reciprocal clasp arm
guide plane width
1/3 B-L
Anterior and superior position
CR
superior & inferior position
VDO
anterior and inferior position
Christensen’s phenomenon