Assertion: bleach | /r/ObjectUse | used in reservoir
Facets:
value: to avoid deglutition
type: PURPOSE
Source sentences:
text: In addition, it has recommended that bleaching agents be used in a reservoir to avoid deglutition, thus preventing potential hazardous problems.9 Safety concerns emerge in relation to the abusive use of OTC products, taking into account that nowadays younger patients are looking for bleaching procedures.7,23