Metastatic tumors to gingival from non - oral malignancies are very uncommon.摘要从 非 口腔部位的恶性肿瘤转移至齿龈是非常罕见.Objective To study the distribution of the chromatic value of gingival porcelains.目的了解临床常用牙龈瓷的颜色参数.Gingival margins c...
The army defends the people from harm.军队保护人民免遭伤害.But it might make some unpleasant talk if he really defends the suit.但是,倘若他真的提出反诉,就会引起一些令人不快的议论.The author defends herself against charges of racism by noting that blacks ...