The Tough White Outer Layer of a Tooth
This page is the CodyCross answer for the clue below from Comics, Group 1068, Puzzle 4 (Fighting Corruption).
Question is: The Tough White Outer Layer of a Tooth
and the answer is: ENAMEL
Word Meaning:
ENAMEL — An opaque, glassy coating baked onto metal or ceramic objects.
Definitions from Wiktionary.