分根术也叫牙齿分根术,仅适用于下颌磨牙。分根术是将下颌磨牙连冠带根从正中沿颊舌方向截开,使其分离为近中、远中两半,形成两个独立的类似单根牙的牙体。这样能较彻底地清除根分叉区深在的病变组织,消除该处的牙周袋,也消除了原有的根分叉病变,有利于菌斑控制和自沽。被切割后暴露的牙本质和牙骨质部分,可用全冠修复体覆盖,以减少患龋的可能。
本文联系中间神经切除术,讨论了中间神经的分型、经过、根数和交通支的临床应用意义。
In relation to the resection of the nervus intermedius, the clinical significances of its type, course, rootlets and communicating branches were discussed.
此外,D2 + PAND根治术组的平均手术时间为63分钟,较D 2根治术组长,以及平均失血量为230 ml,较D 2根治术组多。
In addition, the median operation time was 63 minutes longer and the median blood loss was 230 mL greater with D2 lymphadenectomy plus PAND.
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