【摘 要】
：
0 引言种植体义齿是当今修复缺牙的较先进方法之一. 如全牙列缺失者可于其颌骨内植入几个分布合理的种植体为基牙,以便在其上修复全口义齿,缩小基托面积,增加固位,有利于口颌
【机 构】
：
第四军医大学秦都口腔医学院正畸科,第四军医大学秦都口腔医学院颌面外科,第四军医大学秦都口腔医学院医学院院部
论文部分内容阅读
0 引言种植体义齿是当今修复缺牙的较先进方法之一. 如全牙列缺失者可于其颌骨内植入几个分布合理的种植体为基牙,以便在其上修复全口义齿,缩小基托面积,增加固位,有利于口颌系统的咀嚼功能,容貌美观和发音. 又如远中无基牙的部分牙列缺失,植入种植体当基牙,以提高义齿的功能效果. 据报道在牙颌畸形病例中,如无磨牙当支抗者,也可在颌骨内植入种植体作为基牙,以便在正畸治疗过程中增强支抗,并认为种植体支抗牙是稳固的. 至于种植体单冠义齿错位者是否能进行正畸治疗,未见报道,也是口腔医师关注的问题. 因此有必要对错位的种植体单冠正畸移动加以探讨.
其他文献
Objective To analyze the characteristics of auditory brainstem response (ABR) in presbycusis patients el-der than 90 years. Methods Fourteen presbycusis patient
目的 分析显微手术辅以放疗、化疗对小儿髓母细胞瘤治疗效果及其预后的影响。方法 将髓母细胞瘤患儿分为二组， 手术全切除组和手术未全切除组。前者术后只接受全神经轴放射
目的探讨准分子激光角膜切削术(photorefractive keratectomy,PRK)治疗高度近视眼前后角膜冷却对其疗效的影响.方法回顾性地对-6.00～-10.00D近视眼的63眼角膜冷却组和58眼对照
Previous research has demonstrated that the amplitude of evoked emissions decreases in human sub-jects when the contralateral ear is stimulated by noise. The me
Objective To study presynaptic alternations of cochlear ribbons arising from aminoglycoside ototoxic stimuli in C57BL/6J mice. Methods Animals were injected wit
目的：一定程度上区分孤束核（ＮＴＳ）内ＧＡＢＡＡ和ＧＡＢＡＢ受体对血压调节的作用。方法：ＮＴＳ微注射、ＮＴＳ损毁及电刺激下丘脑防御反应区，记录血压和心率。结果：ＧＡＢＡＡ受体拮抗剂荷包牡丹碱能逆转ＧＡＢＡ摄取抑制剂３－哌啶甲酸引起的
Background In many European and American hospitals, represented by the House Ear Clinic (HEC), the overlay tympanoplasty is used with rare exception, with simul
Tinnitus has often been studied using salicylate in animal models as they are capable of inducing tempo-rary hearing loss and tinnitus. Studies have recently ob
目的：研究ＩＬ－１、ＩＬ－６和活化枯否细胞（Ｋｃ）产物对约氏疟原虫红外期（ＥＥＦ）发育的影响。方法：大鼠腹腔注射ＩＬ－１、ＩＬ－６或合用，３ｈ后接种子孢子（Ｓｐ），４２ｈ后观察ＥＥＦ发育情况；建立大鼠肝细胞－约氏疟原虫体外培养模型，Ｓｐ接种后２ｈ加ＩＬ－１、ＩＬ－６及激活
Objective: To establish an animal model of like-auditory neuropathy in neonatal rat. Methods The ani-mals were injected with phenylhydrazine hydrochloride or sa