leukoplakia造句

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.

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.

Aim : To observe the effect of semiconductor laser treatment on vocal cords leukoplakia.
目的: 观察半导体激光治疗声带粘膜白斑的临床效果.