IntroductionOral leukoplakia is one of the most frequent oral potentially malignant disorders. The present study aims to compare serum vitamin D levels between patients with and without oral leukoplakia. by smoking habit. MethodsThis cross-sectional study involved a group of 45 cases with oral leukoplakia and a control group with 45 individuals. https://www.diegojavierfares.com/super-super-Proven-Winners-reg-Fun-And-Games-reg-Eye-Spy-Foamy-Bells-special-save/