Stoopler, Eric TNadeau, Christine2023-05-222023-05-222013-08-222015-06-30https://repository.upenn.edu/handle/20.500.14332/9152Oral lichenoid lesions (OLLs) are a diverse group of disorders that may be attributed to an autoimmune etiology, underlying systemic disease, or in association with an identifiable causative agent, such as a medication, food product, or dental material. OLLs commonly present with striae, erythema, and/or ulceration on affected oral mucosa and can be symptomatic. The aim of this report is to describe a case of OLLs that were believed to be attributed to use of household laundry detergent to clean an oral occlusal appliance.Posted with permission.laundry detergentoral lichenoid lesionAllergy and ImmunologyDentistryOral Biology and Oral PathologyPathological Conditions, Signs and SymptomsArticle