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Sebastian Bürklein, Stefanie Flüch, Edgar Schäfer
The aim was to compare the canal straightening of M-wire [Reciproc (VDW, Munich, Germany) and WaveOne (Dentsply Maillefer, Ballaigues, Switzerland)] and gold- and blue-wire heat-treated [Reciproc blue (VDW) and WaveOne Gold (Dentsply Maillefer)] instruments in severely curved root canals. A total of 80 root canals in extracted human teeth with angles of curvatures ranging between 25° and 35° and radii ranging between 3.1 and 8.5 mm were divided into four groups (n = 20). Based on radiographs taken prior to instrumentation, the groups were balanced with respect to the angle and the radius of canal curvature (P = 1...
May 18, 2018: Odontology
J Caviedes-Bucheli, N Rios-Osorio, M Rey-Rojas, F Laguna-Rivero, M M Azuero-Holguin, L E Diaz, H Curtidor, J J Castaneda-Ramirez, H R Munoz
AIM: To quantify the Substance P (SP) and Calcitonin gene-related peptide (CGRP) expression in healthy human periodontal ligament from premolars after root canal preparation with Reciproc Blue, WaveOne Gold, XP EndoShaper and hand files. METHODOLOGY: Fifty human periodontal ligament samples were obtained from healthy mandibular premolars where extraction was indicated for orthodontic reasons. Prior to extraction, 40 of these premolars were equally divided into four groups, and root canals were prepared using four different systems: Reciproc Blue, WaveOne Gold, XP EndoShaper, and a hand instrumentation technique...
May 17, 2018: International Endodontic Journal
Cangül Keskin, Murat Demiral, Evren Sarıyılmaz
Objectives: The present study aimed to evaluate the shaping ability of 2 thermally treated nickel-titanium reciprocating systems in simulated curved canals. Materials and Methods: Forty simulated canals were prepared to apical size 25 using Reciproc Blue R25 (VDW) and WaveOne Gold Primary (Dentsply Sirona) instruments. Standard pre- and post-preparation images were taken and superimposed. The removal of resin material was measured at 5 standard points: the canal orifice, halfway between the canal orifice and the beginning of the curve, the beginning of the curve, the apex of the curve, and the end-point of the simulated canal...
May 2018: Restorative Dentistry & Endodontics
Marcely Cassimiro, Kaline Romeiro, Luciana Gominho, Andressa de Almeida, Lívia Silva, Diana Albuquerque
Introduction: The aim of this study was to analyse the potential occurrence of dentinal defects after root canal preparation using three engine-driven instruments. Methods and Materials: Eighty permanent mandibular incisors were selected. Twenty teeth did not undergo preparation, and the remaining teeth were divided into three groups ( n =20): Reciproc (REC) , ProTaper Next (PTN) and WaveOne Gold (WOG). The samples were dyed with methylene blue, sectioned perpendicularly to the long axis in 3-, 6- and 9-mm slices and were finally observed under a stereomicroscope (under 25×)...
2018: Iranian Endodontic Journal
Hesam Mirmohammadi, Monika Sitarz, Hagay Shemesh
Introduction: Manufacturers offer gutta-percha (GP) cones matched with different sizes of endodontic files as an attempt to simplify the obturation process and create a tight seal in the canal. The purpose of this study was to evaluate whether intra-manufacture GP diameters matched the diameters of their corresponding files at different levels using laser micrometre. Methods and Materials: Twenty files and corresponding GP master cones of Reciproc R40 (40/0.06) (VDW, Munich, Germany), WaveOne Large(40/0...
2018: Iranian Endodontic Journal
Sergio Luiz Pinheiro, Caio Cesar da Silva, Lucas Augusto da Silva, Marina P Cicotti, Carlos Eduardo da Silveira Bueno, Carlos Eduardo Fontana, Letícia R Pagrion, Natália P Dalmora, Thaís T Daque, Francisco Uf de Campos
Objective: The aim of this study is to evaluate the antimicrobial efficacy of 2.5% sodium hypochlorite, 2% chlorhexidine, and ozonated water on biofilms of Enterococcus faecalis , Streptococcus mutans , and Candida albicans in mesiobuccal root canals with severe curvature of mandibular molars. Materials and Methods: This was an experimental ex vivo study in microbiologic laboratory. Sixty mesiobuccal root canals with severe curvature of mandibular molars were contaminated with standard strains of E...
January 2018: European Journal of Dentistry
Ajinkya M Pawar, Mansing G Pawar, Bhagyashree Thakur, Kulwinder Singh Banga, Alexander Maniangat Luke
Aim: The current study compared the fracture resistance of samples instrumented by two rotary files and a reciprocating file, obturated with gutta-percha and AH Plus. Materials and Methods: A total of 60 freshly extracted mandibular premolar teeth with single roots and single canals were acquired and decoronated at or below the cementoenamel junction. The samples were randomly divided into four groups ( n = 15). Group 1 control (noninstrumented/obturated), and for Groups 2-4 root canal instrumentation was done by EndoStar E5 (EE5), ProTaper NEXT (PTN), and WaveOne, respectively...
January 2018: Journal of Conservative Dentistry: JCD
Angsana Jainaen, Nipitporn Mahakunakorn, Uthaiwan Arayatrakullikit, Pipop Sutthiprapaporn, Rajda Noisombat
Aim: The aim of this study is to compare curved root canal preparation between reciprocal rotary files and rotational rotary files in extracted teeth using cone-beam computed tomography (CBCT). The independent variable was the file type (reciprocal vs. rotary), and the primary outcome variable was the centering ratio of distance change after canal preparation. Secondary outcomes were canal transportation in extension and direction and the preparation time. Materials and Methods: Forty mesial root canals from extracted permanent molars with curvatures ranging between 25° and 45° were randomly divided into 4 groups...
January 2018: Journal of Conservative Dentistry: JCD
M A Ekici, A Ekici, S Sağıroğlu, S Keyfiala, B Helvacıoğlu Kıvanç
Background: The aim of this study was to compare the retreatment time and the removal efficiency of different root canal sealers using WaveOne Gold reciproc file system by measuring required time. Materials and Methods: Forty-five mandibular premolars were prepared and randomly divided into three groups (n = 15). In Groups 1-3, the canals were filled with gutta-percha and mineral trioxide aggregate (MTA) Fillapex, EndoREZ, and AH26, respectively. After 7 days, root canal filling materials (RCFM) were removed with WaveOne Gold reciproc files by measuring time...
April 2018: Nigerian Journal of Clinical Practice
Martin Vorster, Peet J van der Vyver, Farzana Paleker
INTRODUCTION: The aim of this study was to compare the glide path preparation times of stainless steel hand files, PathFiles (Dentsply Sirona, Ballaigues, Switzerland), and the WaveOne Gold Glider (Dentsply Sirona). The preparation times for final root canal shaping with the Primary WaveOne Gold instrument in extracted human molar teeth with and without prior glide path preparation were also recorded and compared. METHODS: Mesiobuccal canals of 60 extracted human mandibular molars (curvature angles between 25° and 35° and radii <10 mm) were selected and randomly divided into 4 groups with 15 canals each...
May 2018: Journal of Endodontics
Victor Feliz Pedrinha, Juliana Melo da Silva Brandão, Oscar Faciola Pessoa, Patrícia de Almeida Rodrigues
Advances in endodontics have enabled the evolution of file manufacturing processes, improving performance beyond that of conventional files. In the present study, systems manufactured using state of the art methods and possessing special properties related to NiTi alloys ( i.e ., CM-Wire, M-Wire and R-Phase) were selected. The aim of this review was to provide a detailed analysis of the literature about the relationship between recently introduced NiTi files with different movement kinematics and shaping ability, apical extrusion of debris and dentin defects in root canal preparations...
2018: Open Dentistry Journal
Taha Özyürek, Koray Yılmaz, Gülşah Uslu, Gianluca Plotino
Objectives: To examine the surface topography of intact WaveOne (WO; Dentsply Sirona Endodontics) and WaveOne Gold (WOG; Dentsply Sirona Endodontics) nickel-titanium rotary files and to evaluate the presence of alterations to the surface topography after root canal preparations of severely curved root canals in molar teeth. Materials and Methods: Forty-eight severely curved canals of extracted molar teeth were divided into 2 groups ( n = 24/each group). In group 1, the canals were prepared using WO and in group 2, the canals were prepared using WOG files...
February 2018: Restorative Dentistry & Endodontics
H S Topçuoğlu, G Topçuoğlu, Ö Kafdağ, H Arslan
AIM: To compare the cyclic fatigue resistance of R-PILOT and WaveOne Gold Glider files in curved artificial canals. METHODOLOGY: A total of 60 new R-PILOT and WaveOne Gold Glider files were tested in artificial canals with 45° and 60° angles of curvature. Fifteen new files of each brand were tested in both canals. Cyclic fatigue resistance was determined by recording the time to file fracture in the artificial canals. The length of each fractured fragment was also recorded...
February 26, 2018: International Endodontic Journal
T Özyürek, G Uslu, M Gündoğar, K Yılmaz, N M Grande, G Plotino
AIM: To compare the cyclic fatigue resistance and bending properties of R-Pilot and WaveOne Gold (WOG) Glider files, at intracanal temperature (35°C). METHODOLOGY: Forty R-Pilot and 40 WOG Glider files were subjected to a cyclic fatigue resistance test (n = 20), calculating the time to fracture (TTF) in an artificial stainless steel canal. The length of the fractured file tips (FL) was also measured. The fracture surface of fragments was examined with a scanning electron microscope, and the cross-sectional area of the fractured surfaces was measured...
February 25, 2018: International Endodontic Journal
Iussif Mamede-Neto, Álvaro Henrique Borges, Ana Helena Gonçalves Alencar, Marco Antonio Hungaro Duarte, Manoel Damião Sousa Neto, Carlos Estrela
Objective: To evaluate transportation (T) and centering ability (CA) of root canal preparations using continuous or reciprocating nickel-titanium endodontic files. Materials and Methods: Ninety-six mesiobuccal root canals of mandibular first and second molars were randomly divided into 6 groups (n=16) according to the rotary file used: 1. ProTaper Next; 2. ProTaper Gold; 3. Mtwo; 4. BioRaCe; 5. WaveOne Gold; 6. Reciproc. Root canals were prepared according to manufacturer's instructions...
2018: Open Dentistry Journal
Cangül Keskin, Uğur İnan, Murat Demiral, Ali Keleş
OBJECTIVE: The aim of the present study was to compare the cyclic fatigue resistance of R-Pilot (VDW; Munich, Germany) with ProGlider (Denstply Sirona; Ballaigues, Switzerland) and WaveOne Gold Glider (Denstply Sirona; Ballaigues, Switzerland) glide path instruments. MATERIALS AND METHODS: R-Pilot, ProGlider, and WaveOne Gold Glider instruments were collected (n = 15) and tested in a dynamic cyclic fatigue test device, which has an artificial canal with 60° angle of curvature and a 5-mm radius of curvature...
February 17, 2018: Clinical Oral Investigations
M M Jimna, T S Ashwini, H K Sowmya
Aim: To compare and evaluate the cleaning ability of two reciprocating systems, that is, WaveOne (WO) and self-adjusting files (SAF) in terms of removal of smear layer using sodium hypochlorite (NaOCl) and chlorhexidine gluconate (CHX) at apical one-third of the root canal. Materials and Methods: Forty-three human maxillary anterior teeth were selected. The canal was instrumented manually up to a number 25 K-file size. WO and SAF were used to prepare the root canals...
November 2017: Journal of Conservative Dentistry: JCD
Saritha Vallabhaneni, Kainath Fatima, Twino H Kumar
Introduction: The aim of this study was to compare canal transportation of two single-file systems, WaveOne Gold and Neoniti, using cone-beam computed tomography (CBCT). Methodology: A total of 40 mesiobuccal canals of maxillary first molars with curvatures of 15°-30° were chosen and randomly divided into two experimental groups ( n = 20). In both groups, glide path was established using ProGlider. In group 1, canals were shaped with WaveOne Gold and in group 2 with Neoniti A1, respectively...
November 2017: Journal of Conservative Dentistry: JCD
Priyanka Ramdas Zinge, Jayaprakash Patil
Aim and Objective: The aim of this study is to evaluate and compare the effect of one shape, Neolix rotary single-file systems and WaveOne, Reciproc reciprocating single-file systems on pericervical dentin (PCD) using cone-beam computed tomography (CBCT). Materials and Methods: A total of 40 freshly extracted mandibular premolars were collected and divided into two groups, namely, Group A - Rotary: A1 - Neolix and A2 - OneShape and Group B - Reciprocating: B1 - WaveOne and B2 - Reciproc...
November 2017: Journal of Conservative Dentistry: JCD
Emmanuel João Nogueira Leal Silva, Victor Talarico Leal Vieira, Fernanda Hecksher, Marja Ribeiro Silva Dos Santos Oliveira, Henrique Dos Santos Antunes, Edson Jorge Lima Moreira
OBJECTIVES: To evaluate the cyclic fatigue using severely curved canals and torsional resistance of ProDesign R (Easy Equipamentos Odontológicos, Belo Horizonte, MG, Brazil), Reciproc Blue (VDW, Munich, Germany), and WaveOne Gold (Dentsply Maillefer, Ballaigues, Switzerland) reciprocating instruments MATERIALS AND METHODS: Twenty instruments of the ProDesign R (25/0.06) system, 20 instruments of the Reciproc Blue (25/0.08v) system, and 20 instrument of the WaveOne Gold (25/0.07v) system were used...
February 1, 2018: Clinical Oral Investigations
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