Assertion: enamel | /r/HasProperty | worn at the gum line
Facets:
value: especially
type: OTHER
Source sentences:
text: Worn tooth enamel could indicate a problem with the bite (i.e. the way the upper and lower teeth come together when biting or chewing) or could be a sign of clenching or grinding, especially if the enamel is worn at the gum line.