Assertion: enamel | /r/HasAspect | average thickness of 2-3mm
Facets:
Source sentences:
text: Enamel has an average thickness of 2-3mm, yet it is the hardest substance in the body and can effectively protect the sensitive inner layers of teeth Acids in your diet can weaken and thin your enamel over time which can lead to the yellower dentine layer showing through making the teeth appear yellow and dull.