牙醫學(二)（包括口腔病理學、牙科材料學、口腔微生物學、牙科藥理學等科目及其臨床相關知識）題庫下載題庫

pleomorphic adenoma- 53-77% of parotid tumor, painless, slow growing, firm, encapsulated, initially movable but less moveable as it grow larger, mixture of glandular epithelium and myoepithelial cells