Assertion: canker sore | /r/CreatedBy | bacteria
Facets:
Source sentences:
text: This may heal canker sores caused by bacteria.
text: Cankers are caused by a fungus or bacteria that enters bark that has been injured by sunscald, cold injury, boring insect damage, improper pruning wounds or physical injury to the tree.
text: Because of this, it may cure canker sores caused by bacteria and prevent them from spreading in your mouth.