When it involves the mouth alone, some authors refer to this as "oral Crohn disease", distinguishing it from OFG, and others suggest that OFG is the same condition as Crohn disease when it presents in the oral cavity.
When dealing solely with the mouth, some authors refer to it as "oral Crohn disease", distinguishing it from OFG, while others propose that OFG is equivalent to Crohn's disease when manifesting in the oral cavity.