那是空的根管(牙髓室)。
目的：总结9例脊髓室管膜瘤的手术体会。
Objective: To summarize the experience of operation for spinal cord ependymoma.
目的：寻求修复髓室底穿孔较好的修复材料。
AIM: to explore a better material for repairing perforation of pulp bottom.
目的：寻求修复髓室底穿孔较理想的修复材料。
Objective: to explore a better material for repairing perforation of pulp bottom.
髓室指标的变异远大于牙体外表指标的变异程度。
Indexes of the pulp chamber had higher variance than those of the external morphology.
目的寻求有效的充填根管及修复髓室底穿孔的材料。
Objective to explore an effective method for root canal filling and repairing perforation of pulp bottom.
目的：观察复方珊瑚糊剂修补髓室底穿孔的临床效果。
Objective: To evaluate clinical effect on repair of perforation of pulp floor by coral paste composite.
髓室底穿孔的治疗是临床上的棘手问题，预后常不理想。
Furcation perforation often leads to a very perplexing and frustrating problem in endodontic therapy, often have a doubtful prognosis.
观察玻璃离子水门汀和氢氧化钙联合修复髓室底穿孔的临床疗效。
Its effective to repair perforation of pulp floor with glass ionomer cement.
目的：观察髓室固位式嵌体冠修复乳磨牙大面积牙体缺损的临床疗效。
Objective: To evaluate the clinical effection of inlay-crown on the massive destruction in deciduous molar.
从髓室自根尖方向，牙本质小管口的直径、密度和相对面积均逐渐减小。
From pulp chamber to root apex, the diameter, the density and the mean percentage area of tubular openings all reduced gradually.
目的探讨中国人恒前牙髓室影像解剖学特征及其与牙体外表特征的关系。
Objective the aim of this study was to measure and analyze the anatomic characteristics of the pulp chamber of Chinese permanent anterior teeth radiographically.
目的研究复方羟基磷灰石碘仿糊剂用于修复磨牙髓室底穿孔的临床疗效及影响因素。
Objective to observe the clinical effect and factors of hydroxylapatite and iodoform combination as repairing perforated molar pulp.
脊髓室管膜的PVN传出纤维可能向脑脊液中释放神经激素，从而对脊髓发挥调节作用。
The efferent fibers which projected from PVN to ependyma of the spinal cord perhaps released neurohormones into cerebrospinal fluid, thus having effects of regulation on the spinal cord.
根据髓室底的形态以及半岛形髓室底和髓壁之间牙本质融合带的位置将重建图像分为四型。
The reconstructed images were classified into four types based on the shape of the pulp chamber floor and the location of the dentin fusion between the peninsular-like floor and the pulp chamber wall.
结论：对于根管弯曲、分叉大、髓室大、C型根管的磨牙，银汞桩核技术有着明显的优势。
Conclusion: Amalgam post and core technique is conservative in restoring molars for its curved root canal, big root furcation, C-shaped root canal and large pulp chamfer.
治疗中，患者临睡前将10%过氧化脲注入髓室及个别托盘的储药池内，从而同时从内外两侧对无髓牙进行漂白。
The 10% carbamide peroxide was injected into the chamber of the nonvital teeth and the reservoirs of the custom fitted trays. The nonvital teeth were bleached from both the inside and the outside.
治疗中，患者临睡前将10%过氧化脲注入髓室及个别托盘的储药池内，从而同时从内外两侧对无髓牙进行漂白。
The 10% carbamide peroxide was injected into the chamber of the nonvital teeth and the reservoirs of the custom fitted trays. The nonvital teeth were bleached from both the inside and the outside.
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