Related Clues:

• Body's hardest substance
• Tooth substance
• Cloisonné material
• Protective finish
• Type of finish
• Pottery protector
• Painter's choice
• Coat in one's mouth
• It's found on the cusp
• Tooth surface
• Outer tooth layer
• Paint store option
• Hardest human tissue
• Glossy coat
• Glossy coating