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根管治疗已成为不可复性牙髓炎及根尖周病的最为有效的治疗手段,根管预备是根管三步曲中最为关键的一步。根管预备的目的在于根管的成形、清理,从而形成一个具有连续锥度的根管,以便于根管行牙胶充填。近年来,根管治疗中所需的器械和材料迅猛发展,尤其是非标准根管成形器械。非标准根管成形器械自1988年John发明ProFile以来,就引起了根管治疗技术革新的历程,器械的设计朝非标准根管成形器械模式发展。鉴于此种模式方向的发展,本文现就非标准根管成形器械的设计特点、器械分离的因素作一综述。
Root canal therapy has become the most effective treatment for refractory pulpitis and periapical disease. Root canal preparation is the most crucial step in root canal trilogy. The purpose of root canal preparation is to shape and clean the root canal so as to form a root canal with continuous taper so that the root canal can be filled with gutta percha. In recent years, the equipment and materials needed for root canal therapy have been rapidly evolving, especially for non-standard root canal forming instruments. Non-Standard Root Canal Forming Instruments Since the invention of ProFile by John in 1988, the evolution of endodontic treatment has evolved and the design of the instrument has moved toward non-standard root canal forming instruments. In view of the development of this mode, this article reviews the design features of non-standard root canal forming instruments and the factors of instrument separation.