[0] GLASS IONOMER [1] No data:1 5 years predicted [2] Excessive wear in stress-bearing situations [3] Poor [4] Poor to excellent [6] Good [7] All ages Adult-Class V and low-stress primary teeth Class I and II child Incipient to moderate size cavity [8] 1.4X [5] 
Excellent if initial restoration, not if replacement
C o n s e r v a t i o n o f T o o t h S t r u c t u r e
G o o d
E x c e l l e n t
E x c e l l e n t i f i n i t i a l r e s t o r a t i o n , n o t i f r e p l a c e m e n t
P o o r