Burning mouth syndrome is an intraoral pain disorder, stinging and/or itching sensation of the tongue or oral mucous membranes. Numerous causes have been suggested, including local factors such as candidiasis and denture trauma, systemic factor such as nutritional deficiencies, diabetes and climacteric, xerostomia, miscellaneous conditions such as psychogenic factors. A systematic approach for the success in diagnosis and treatment is included history taking, complete mouth examination and laboratory investigation.