Assertion: filling's mercury | /r/HasProperty | released
Facets:
value: during replacement
type: TEMPORAL
value: during removal
type: TEMPORAL
value: no longer
type: TEMPORAL
Source sentences:
text: 1957: Dr. Karl O. Frykholm of Sweden published a study wrongly claiming that when saliva covers an amalgam filling, the mercury is no longer released.
text: Mercury is also known to be released during the placement, replacement, and removal of dental amalgam fillings.