1.牙冠crownoftooth2.牙龈gum3.牙颈neckoftooth4.牙周膜periodontalmembrane5.牙根rootoftooth6.牙根尖孔apicalforamen7.釉质enamel8.牙腔dentalcavity9.牙髓dentalpulp10.牙根管rootcanal11.牙骨质cementum12.切牙孔incisiveforamina13.腭正中缝medianpalatinesuture14.腭突palatinepr (共 489 字) [阅读本文] >>