The principles of techniques for cleaning root (清洁根技术的原则).pdf
文本预览下载声明
Australian Dental Journal Supplement 2007;52:(1 Suppl):S52-S63
The principles of techniques for cleaning root canals
GR Young,* P Parashos,† HH Messer‡
Abstract potential avenues of entry of micro-organisms into the
root canal, and to entomb any remaining micro-
Chemomechanical preparation of the root canal
includes both mechanical instrumentation and organisms to prevent their proliferation.
antibacterial irrigation, and is principally directed In recent times there have been significant
toward the elimination of micro-organisms from the technological advancements to facilitate root canal
root canal system. A variety of instruments and cleaning and shaping.5 New instruments have been
techniques have been developed and described for developed employing superelastic alloys and novel
this critical stage of root canal treatment. Since their
introduction in 1988, nickel-titanium (NiTi) rotary engineering philosophies, and there has been a notable
instruments have become a mainstay in clinical departure from the ISO standard 2 per cent taper
endodontics because of their exceptional ability to (0.02mm per mm) instruments. When seeking evidence
shape root canals with potentially fewer procedural for the effectiveness of root canal cleaning procedures,
complications. Safe clinical usage of NiTi instru
显示全部