In the Reciproc Blue g roup, the R25 file (#25/variable taper), followed by the R40 file (#40/variable taper) from the Reciproc Blue ® (VDW, Munich, Germany) system were used with an X-Smart Plus (Dentsply Maillefer, Ballaigues, Switzerland) motor, according to the manufacturer's instructions for setting speed and torque, in the Reciproc ALL mode. Slight apical pressure was applied during instrumentation. After short consecutive movements of penetration and removal, the file was removed from the canal and cleaned using a piece of sterile gauze. These procedures were repeated until the file reached the original WL, after which irrigation was performed following the same procedure as that described above.
Reciproc blue
Manufactured by VDW
Sourced in Germany
Reciproc Blue is a laboratory equipment product designed for cutting and shaping of materials. It utilizes a reciprocating motion to perform the cutting process. The product specifications and technical details are not available for an unbiased and factual description.
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7 protocols using reciproc blue
1
Reciproc Blue Instrumentation Technique
2
Evaluation of Rotary File Systems in Orthodontic Premolar Extraction
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Patients selected were going through orthodontic treatment with indication of double CBCT scans, one for the diagnosis of dento-maxillofacial anomalies and the other for the control of orthodontic treatment [23 (link)]. Thirty lower premolars were selected from these patients, in which extraction was indicated for orthodontic reasons. All the teeth used were caries- and restoration-free with complete root development determined both clinically and radiographically, without signs of periodontal disease or traumatic occlusion. Teeth had only one straight canal (canal curvatures over 25º were not included). Each premolar was randomly assigned for one of the experimental groups, consisting of 10 premolars each: (a) Reciproc Blue (VDW, Munich, Germany); (b) WaveOne Gold (Dentsply/Maillefer, Ballaigues, Switzerland); and (c) XP EndoShaper (FKG/Dentaire, La-Chaux-de-Fonds, Switzerland). The sample size was estimated based on the behaviour of canal volume change variables on in vitro studies and confirmed with the TAMAMU 1.1® program (Tokyo, Japan).
3
Comparison of Root Canal Shaping Systems
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After isolation and access opening, canals of all teeth were prepared using four different instrumentation systems, irrigated with 5.25% NaOCl and 17% ethylene diamine tetraacetic acid (EDTA), and obturated with gutta-percha and sealer using lateral condensation technique. For all teeth an initial manual glide-path with stainless steel k-files up to size #15 was performed. The teeth in group 1 (n = 15) were shaped using ProTaper Universal (control group) (Dentsply/Maillefer, Ballaigues, Switzerland) till F2 (25.08), group 2 (n = 15) were shaped with 2 Shape (TS; Micro-Mega, Besancon, France) till TS2 (25.06), group 3 (n = 15) were shaped with XP-endo Shaper file (XPS; FKG Dentaire, La Chaux-de-Fonds, Switzerland)#30.04, and group 4 (n = 15) were shaped with Reciproc blue (VDW GmbH, Munich, Germany) R25 (25.08. all groups were prepared according to manufacturer's instructions. All canals were shaped, cleaned, and obturated in a single-visit by lateral condensation technique with resin-based sealer (Adseal; Meta- Biomed, Korea lot: ADS1505151) and gutta-percha cones taper 4% (Meta-Biomed, Korea lot: GE1102078).
Upon completion of RCT, a periapical radiograph was carried out to ensure the accuracy of root canal obturation. Then each tooth was restored temporarily with a glass ionomer restoration for 1 week (Kavitan plus SpofaDENTAL, Czech Republic, lot: 2481885-1).
Upon completion of RCT, a periapical radiograph was carried out to ensure the accuracy of root canal obturation. Then each tooth was restored temporarily with a glass ionomer restoration for 1 week (Kavitan plus SpofaDENTAL, Czech Republic, lot: 2481885-1).
4
Comparative Analysis of Rotary NiTi Files
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Five different brands of rotary NiTi instruments (endodontic files) were tested in this study, Table 1 : A) ProTaper Universal F2 (Dentsply Maillefer, Ballaigues, Switzerland); B) TF adaptive (SybronEndo, Orange, CA, USA); C) HyFlex EDM (Coltene / Whaledent AG, Altstätten, Switzerland); D) Wave One Gold (Dentsply Maillefer, Ballaigues, Switzerland); and E) Reciproc Blue (RPC Blue; VDW, Munich, Germany), (Figure 1 ).
ProTaper Universal F2 file was established as the control group. All instruments tested with an ISO size 25 mm length with 0.40 mm tip.
ProTaper Universal F2 file was established as the control group. All instruments tested with an ISO size 25 mm length with 0.40 mm tip.
5
Comparing 3D-Printed Resin Tooth Treatments
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Seventy 3D-printed resin teeth were divided into 7 experimental groups (n = 10). Group 1: M3L Platinum Edition 2019 (M3L, United Dental Changzhou, China); Group 2: M3-Pro Plus (M3-Pro, United Dental Changzhou, China); Group 3: Orodeka Plex 2.0 (OD-P, Orodeka, China); Group 4: Reciproc Blue (RCB, VDW, Germany); Group 5: Rotate (ROT, VDW, Germany); Group 6: Waveone Gold (WOG, Dentsply, Switzerland); and Group 7: Protaper Gold (PTG, Dentsply, Switzerland). The alloy type, movement mode, cross-sectional shape and system composition of aforementioned NiTi files are shown in Table S1 .
6
Comparative Shaping with NiTi Instruments
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The shaping of the samples was completed by a single operator. As the canals of the dental replicas had an apical diameter larger than 0.15 mm, no hand negotiation and glyde path management was necessary.
Shaping was achieved with thermally treated NiTi endodontic instruments with the same tip diameter 0.25 mm, and with similar taper. The first group was shaped with the ProTaper Gold system (Dentsply Maillefer, Ballaigues, Switzerland) in the sequence S1-S2-F1-F2 as recommended by the producers, using an endodontic motor X-Smart Plus (Dentsply Sirona) in continuous rotation at 300 rpm and corresponding torque settings, until the F2 25/08 instrument reached the working length. Group II was shaped with Reciproc Blue (VDW GmbH, Munich, Germany) instrument RB25 with a 0.25 mm tip diameter and an 8% taper on the first 3 mm in reciprocating motion using the same motor. Group III underwent shaping with the WaveOne Gold system (Dentsply Maillefer, Ballaigues, Switzerland), instrument WaveOne Gold Primary, with a tip diameter of 0.25 mm and a 7% taper. During shaping, copious irrigation with alcohol was used after each instruments’ passage into the root canal and recapitulation with a hand K-file 0.10 mm after each file was performed, to avoid canal blockage.
Shaping was achieved with thermally treated NiTi endodontic instruments with the same tip diameter 0.25 mm, and with similar taper. The first group was shaped with the ProTaper Gold system (Dentsply Maillefer, Ballaigues, Switzerland) in the sequence S1-S2-F1-F2 as recommended by the producers, using an endodontic motor X-Smart Plus (Dentsply Sirona) in continuous rotation at 300 rpm and corresponding torque settings, until the F2 25/08 instrument reached the working length. Group II was shaped with Reciproc Blue (VDW GmbH, Munich, Germany) instrument RB25 with a 0.25 mm tip diameter and an 8% taper on the first 3 mm in reciprocating motion using the same motor. Group III underwent shaping with the WaveOne Gold system (Dentsply Maillefer, Ballaigues, Switzerland), instrument WaveOne Gold Primary, with a tip diameter of 0.25 mm and a 7% taper. During shaping, copious irrigation with alcohol was used after each instruments’ passage into the root canal and recapitulation with a hand K-file 0.10 mm after each file was performed, to avoid canal blockage.
7
Comparison of Five Endodontic Systems
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Five different endodontic systems (n = 10) were evaluated in this study:
Reciproc Blue (#25.08) of VDW (VDW, Munich, Germany);
RC Blue (#25.08) of Dental Perfect (Shenzhen Perfect Medical Instruments, Shenzhen, China);
Only One File Blue (#25.08) of Denco (Shenzhen Denco Medical, Shenzhen, China);
Recip One Blue (#25.08) of Rogin Dental (Shenzhen Rogin Medical, Shenzhen, China); and
Micro Blue (#25.08) of Microdont (Microdont, Shenzhen, China).
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