A.上頜后緣止于腭小凹后2mm B.下頜后緣止于磨牙后墊前緣 C.唇頰側(cè)止于黏膜反折線處 D.唇頰舌系帶處應(yīng)讓開 E.下頜舌側(cè)止于口底黏膜與牙槽舌側(cè)黏膜反折線處
A.8~10mm B.6~8mm C.7~9mm D.9~11mm E.4~5mm
A.反 B.對刃 C.大超 D.深覆 E.正常覆