Table 1 The information about the root canal instruments
Instrument (Manufacturer details) | Abbreviation | Size. Colour. Alloy Ψ | Lot# |
|---|---|---|---|
C + Ready·Steel hand instruments (Dentsply Sirona, Maillefer Instruments Holding Sarl, Ballaigues, Switzerland) | SS | 15/0.08. Grey. Stainless steel: 69.5% Iron (CAS#13097-37-1); 18% Chromium (CAS#7440-47-3); 9% Nickel (CAS#7440-02-0); 2% Manganese (CAS#7439-96-5); 0.75% Cobalt (CAS#7440-48-4). | 1367753 |
miniSCOPE M3 (Scope Endodontic System, Gtech Dizayn Co., Yozgat, Turkey) | MS | 25/ 0.06. Yellowish. Heat-treated yellowish NiTi alloy. Ni:Ti = 55.1:44.9 (wt%/wt%). | GN121 |
Rotate (VDW GmbH, Munich, Germany) | RO | 25/ 0.06. Blue wire: heat-treated NiTi alloy. Ni:Ti = 54.8:45.2 (wt%/wt%). | 291814 |
Hyflex CM (Coltene-Whaledent, Allstetten, Switzerland) | HCM | 25/ 0.06. Yellowish. CM wire: heat-treated NiTi alloy. Ni:Ti = 54.4:45.6 (wt%/wt%). | F83368 |
One Curve (MicroMega SA, Besançon Cedex, France) | OC | 25/ 0.06. Yellowish. C wire: heat-treated NiTi alloy. Ni:Ti = 53.8:46.2 (wt%/wt%). | 96344628 |
ProTaper Next X2 (Dentsply-Sirona, Ballaigues, Switzerland) | PTN | 25/ 0.06v*. Grey. M-wire NiTi alloy. Ni:Ti = 55.0:45.0 (wt%/wt%). | 1593764 |