Background
pain, OLP
CAVITY, ORAL LICHEN PLANUS, CHRONIC INFLAMMATORY DISEASE
Oral lichen planus (OLP) is a common chronic inflammatory disease of the oral cavity that affects the daily living activities in many patients. Most OLP patients are middle-aged women; the most common lesion sites are the buccal mucosa followed by the tongue, and gingiva [Currently, OLP clinical trials should use a tripartite approach comprising clinical signs, symptoms, and quality of life [Because OLP was a chronic inflammatory disease that is very difficult to completely cure, patients suffer from a burning sensation, pain, and discomfort [The Oral Impact on Daily Performances Index (OIDP) [The previous studies about oral mucosal lesions that used OIDP were cross-sectional and case-control studies, whereas most OLP longitudinal studies used OHIP and OHQoL for OHRQoL evaluation. None of the OLP longitudinal studies used OIDP to measure OHRQoL. Therefore, the aim of this study was to evaluate the clinical, pain and OHRQoL responses after a 1-month treatment with topical corticosteroid in OLP patients. Secondly, to assess the relationships of the changes in the clinical sign score, pain score, and OHRQoL.