A twenty-one-year-old woman complains that regular, gentle brushing of her teeth is painful besides causing profuse bleeding. Oral examination reveals the loss of epithelium from the attached gingival of both arches. Which of the following dermatological problems is this patient…

True about caries, all except: A. Infectious and transmissibleB. Not due to microorganisms C. Can develop in the absence of sucrose D. Microorganisms play the most essential role