DIFFERENTIAL DIAGNOSIS OF APHTHOUS ULCERS/INTRAORAL ULCERS
Crohn’s disease
Ulcerative colitis
Ankylosing Spondylitis
Psoriatic Arthropathy
Systemic lupus erythematosus (SLE)
Erosive lichen planus
Herpes stomatitis
Coxsackievirus infection
Cytomegalvirus
Herpes zoster
Bacterial infections
Fungal infections
Erythema multiforme
Stevens-Johnson syndrome
Toxic epidermal necrolysis
Acute necrotizing ulcerative gingivitis
Allergic stomatitis
Trauma
Malignancy