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 唇面Labialsurface舌面Lingualsurface近中面Mesialsurface远中面Distalsurface面Occlusalsurface牙颈部横切面Transversesectionofdentalneck近远中向剖面Sectionthroughmesialsurfaceanddistalsurface颊舌向剖面Sectionacrosscheekandtongue (共 203 字) [阅读本文] >>