Substance covering teeth (6)
I believe the answer is:
enamel
(Other definitions for enamel that I've seen before include "protective coat" , "Outer tooth material" , "Hard material" , "hard stuff" , "Ale men (anag.)" .)
I believe the answer is:
enamel
(Other definitions for enamel that I've seen before include "protective coat" , "Outer tooth material" , "Hard material" , "hard stuff" , "Ale men (anag.)" .)