Mucous Membrane Pemphigoid (MMP) is as an infrequent yet tenacious autoimmune blistering disease involving the mucosae of the oral cavity, as well as the conjunctiva, genitals, nasal cavity, pharynx and occasionally the skin. It is seen most commonly in older adults, although cases have been reported throughout early childhood. This review article will provide a thorough explanation of MMP by discussing common misdiagnosis scenarios, presenting rare case reports, and exploring recent treatment options in hopes of spreading awareness for furthering research on diagnosis techniques. The purpose this article is to bring light to the dental community, medical professionals and autoimmune disease researchers, the importance of an early and authentic diagnosis and corresponding methods of recent treatments.