Kocher T, Tersic-Orth B, Plagmann H C
Abteilung Parodontologie in der Poliklinik für Zahnerhaltung, Parodontologie und Kinderzahnheilkunde im Zentrum für Zahn-Mund- und Kieferheilkunde, Greifswald, Germany.
J Clin Periodontol. 1998 Jun;25(6):451-6. doi: 10.1111/j.1600-051x.1998.tb02473.x.
We developed a sonic scaler tip with an ellipsoid diamond-coated bud and contra-angulated shafts to overcome problems resulting from furcation anatomy. In this study, extracted molars were instrumented in a dummy model without any replicated soft tissues using 3 different instrumentation methods (i) curettes, (ii) diamond-coated sonic scaler tips with normal handle and (iii) diamond-coated sonic scaler tips in 2 handles with varying power levels. 15 extracted upper and lower molars were instrumented using each of the 3 instrumentation types. Following debridement, loss of substance and % of furcation area instrumented were assessed. In both upper and lower molars, significantly more surface area was instrumented in one instrumentation run with diamond-coated tips than with curettes. Substance loss was greater with diamond-coated tips than with hand instruments. In conclusion, an effective debridement of the furcation roof seems only possible with odontoplasty. Clinical evaluation of this approach to root debridement is needed.
我们开发了一种带有椭圆形金刚石涂层芽头和反角轴的超声洁治器尖端，以克服因分叉解剖结构而产生的问题。在本研究中，使用3种不同的器械操作方法（i）刮治器，（ii）带有普通手柄的金刚石涂层超声洁治器尖端，以及（iii）具有不同功率水平的2种手柄的金刚石涂层超声洁治器尖端，在没有任何复制软组织的虚拟模型中对拔除的磨牙进行器械操作。使用这3种器械操作类型中的每一种对15颗拔除的上下磨牙进行器械操作。清创后，评估物质损失和器械操作的分叉区域百分比。在上下磨牙中，使用金刚石涂层尖端进行一次器械操作所器械操作的表面积明显多于使用刮治器。金刚石涂层尖端的物质损失大于手动器械。总之，似乎只有通过牙成形术才能有效地清创分叉顶部。需要对这种牙根清创方法进行临床评估。
