Assertion: gnarled enamel | /r/HasProperty | problem
Facets:
value: sometimes
type: TEMPORAL
value: for dentists
type: TRANSITIVE-OBJECT
Source sentences:
text: Gnarled enamel can sometimes be a problem for dentists; although experienced dentists have no problem identifying gnarled enamel and making the correct preparations, some inexperienced dentists face problems when performing a standard filling or root canal.