IntroductionRotary Nickel‐Titanium (Ni‐Ti) instruments are widely used for root canal preparation by both endodontists and general dentists (Parashos & Messer , Bird et al. , Locke et al. ). Owing primarily to their cost (Eggert et al. ), there is an interest in reusing these instruments on different patients to make treatments more affordable (Messer et al. ) provided that the instruments are not labelled as single use by the manufacturer. Reuse does not seem to increase the risk of intracanal fracture (Gambarini , Parashos et al. , Kosti et al. ), but it requires effective reprocessing of the instruments to eliminate the risk of cross‐infection.Apart from the well‐recognized risk of patient‐to‐patient transmission of bacteria and viruses via contaminated instruments, there is worldwide interest over the risk of iatrogenic transmission of the Creutzfeldt‐Jakob disease (CJD) and especially its variant form (vCJD) which is characterized by a wider distribution of the pathological prion protein within the human body (Head et al. , Smith et al. , Letters et al. , Lipscomb et al. , Azarpazhooh & Fillery , Walker et al. ). Currently, there is no proven direct association between transmission of CJD (any form) and dentistry (Smith et al. , Azarpazhooh & Fillery ), and there are no documented cases of
International Endodontic Journal – Wiley
Published: Jan 1, 2018
Keywords: ; ; ; ;
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