All, except ________, are believed to be causative factors of desquamative gingivitis.
ExplanationDesquamative gingivitis is not a disease but a clinical term used to describe a condition of gingiva characterized by intense redness and desquamation of its surface epithelium. It is nowadays used to refer to oral manifestation of various diseases and factors like certain dermatoses, hormonal influences, irritation, chronic infections and even idiopathic
