(二)無(wú)細(xì)胞牙骨質(zhì)
口腔科學(xué)

        無(wú)細(xì)胞牙骨質(zhì)(acellular cementum):也稱(chēng)原發(fā)性牙骨質(zhì),緊貼牙骨質(zhì)表面,主要由牙骨質(zhì)層板構(gòu)成而無(wú)細(xì)胞。分布在牙頸部到近根尖 1/3 處,牙頸部往往全部由無(wú)細(xì)胞牙骨質(zhì)占據(jù)。Acellular cementum:Also called primarycementum, acellular cementum is close to t    （共 453 字）     [閱讀本文] >>