(来学网)成品无牙颌托盘应满足下列哪项
  • A.
    (来学网)托盘宽度比牙槽嵴宽2~3mm
  • B.
    (来学网)托盘边缘高度应离开黏膜皱襞2~3mm
  • C.
    (来学网)上颌托盘腭侧至颤动线后3~4mm
  • D.
    (来学网)托盘若边缘稍短时,可用蜡片或印模膏加长
  • E.
    (来学网)以上均是