Three different reaction patterns which may indicate oral Crohn’s disease or oro-facial granulomatosis (OFG). The difference between the two disease entities is that patients with OFG don’t present with intestinal signs of Crohn’s disease.
(A) Lip swelling that can be found on either the upper or the lower lip.
(B) Typical mucosal ridges in the vestibulum.
(C) Swelling of the gingiva may also occur.