An incisional biopsy is often required for
definitive diagnosis. Asymptomatic lesions
require no treatment other than inspection during
annual dental visits. Topical and/or systemic
corticosteroids will almost always control, but not
cure, painful erosions and ulcers of lichen planus.
Candidal overgrowth (candidosis) is common in
patients with lichen planus and should be treated
with antifungal medications.