Oral ulcers: In clinical aspects

Oral ulcers are generally painful lesions that are related to various
conditions developing within the oral cavity. They can be classified as
acute or chronic according to their presentation and progression.
Acute oral ulcers are associated with conditions such as trauma,
recurrent aphthous stomatitis, Behcet’s disease, bacterial and viral
infections, allergic reactions, or adverse drug reactions. Chronic oral
ulcers are associated with conditions such as oral lichen planus,
pemphigus vulgaris, mucosal pemphigoid, lupus erythematosus,
mycosis, and some bacterial and parasitic diseases. The correct
differential diagnosis is necessary to establish the appropriate
treatment, taking into account all the possible causes of ulcers in the
oral cavity. In this second part of this two-part review, chronic oral
ulcers are reviewed