Oral leukoplakia is an important premalignant lesion of the oral mucosa.

口腔粘膜白斑病是一种严峻的口腔粘膜癌变前疾病.

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Objectives : To explore the clinical feature of oral leukoplakia in elderly patients.

目的: 探讨老年口腔黏膜白斑患者的临床特点.

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Objective: To study the relationship between smoking and malignant transformation of oral leukoplakia.

目的: 初步探讨口腔白斑的重度上皮异常增生及癌变与吸烟的关系.

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