COMPARISON OF CYCLIC FATIGUE RESISTANCE OF ONE CURVE, HYFLEX EDM, WAVEONE GOLD AND RECIPROC BLUE NICKELTITANIUM ROTARY FILES AT INTRA-CANAL TEMPERATURE
Abstract
Objectives: To compare the cyclic fatigue resistances of One Curve (OC), Hyflex EDM (HEDM), WaveOne Gold (WOG), Reciproc Blue (RPC Blue), and nickel-titanium rotary files at intra-canal temperature (35°C). Materials and Methods: Twenty OC (25/.06), 20 HEDM (25/.08), 20 WOG (25/.07) and 20 RPC Blue (25/.08) files were tested for cyclic fatigue at intra-canal temperature (35°C). All the instruments were rotated in artificial which were made of stainless steel with an 60° angle of curvature and a radii of curvatures of 5 mm until fracture occurred, and the time to fracture was recorded in seconds using a digital chronometer and the number of cycles to fracture (NCF) for each file was calculated. The Kruskal-Wallis test was performed to statistically analyze the data by using SPSS 21.0 software. The statistical significance level was set at p<.05.
Results: NCF values revealed that the HEDM had the highest cyclic fatigue resistance at intracanal temperature (p<.05) and followed by WOG, RPC Blue and OC. The lowest NCF values were determined in the OC group and statistically significant difference was observed between the OC group the other groups (p<.05). No statistically significant difference in the mean length of the fractured fragments in curvature was evident for the instruments (p> .05).
Conclusion: Within the limitations of the present in-vitro study, HEDM instrument resisted static cyclic fatigue significantly more than RPC Blue, WOG and OC instruments.
Keywords
References
- 1) Ankrum MT, Hartwell GR, Truitt JE. K3 Endo, ProTaper, and ProFile systems: breakage and distortion in severely curved roots of molars. J Endod 2004 (30): 234–7.2) Shen Y, Cheung GSP, Bian Z, Peng B. Comparison of defects in ProFile and ProTaper systems after clinical use. J Endod 2006 (32):61–5.3) Martin B, Zelada G, Varela P, et al. Factors influencing the fracture of nickel-titanium rotary instruments. Int Endod J 2003 (36):262–6.4) Kitchens GG, Liewehr FR, Moon PC. The effect of operational speed on the fracture of nickel-titanium rotary instruments. J Endod 2007 (33):52–4.5) Bui TB, Mitchell JC, Baumgartner JC. Effect of electropolishing ProFile nickel–titanium rotary instruments on cyclic fatigue resistance, torsional resistance, and cutting efficiency. J Endod 2008 (34):190–3.6) Peters OA, Gluskin AK, Weiss RA, Han JT. An in vitro assessment of the physical properties of novel Hyflex nickel–titanium rotary instruments. Int Endod J 2012 (45):1027-347) Gündoğar M, Özyürek. Cyclic Fatigue Resistance of OneShape, HyFlex EDM, WaveOne Gold,and Reciproc Blue Nickel-titanium Instruments. J Endod 2017 (43): 1192-68) Pedulla E, Lo Savio F, Boninelli S, Plotino G, Grande NM, La Rosa G, Rapisarda E. Torsional and Cyclic Fatigue Resistance of a New Nickel-Titanium Instrument Manufactured by Electrical Discharge Machining. J Endod 2016 (42):156-99) Yılmaz K, Uslu G, Özyürek T. Effect of multiple autoclave cycles on the surface roughness of HyFlex CM and HyFlex EDM files: an atomic force microscopy study. Clin Oral Investig 2018; Epub ahead of print10) WaveOne Gold brochure. Available at: https://www.dentsply.com/content/dam/ dentsply/pim/manufacturer/Endodontics/Obturation/Gutta_Percha_Points/WaveOne_Gold_Gutta_Percha_Points/W1G_Brochure_EN.pdf. Accessed July 10, 2017.11) Özyürek T. Cyclic Fatigue Resistance of Reciproc, WaveOne, and WaveOne Gold Nickel-Titanium Instruments. J Endod 2016 (42):1536-912) Özyürek T, Uslu G, Yılmaz K, Gündoğar M. Effect of Glide Path Creating on Cyclic Fatigue Resistance of Reciproc and Reciproc Blue Nickel-titanium Files: A Laboratory Study. J Endod 2018 (44):1033-713) Plotino G, Grande NM, Testarelli L, Gambarini G. Cyclic fatigue of Reciproc and WaveOne reciprocating instruments. Int Endod J 2012 (45): 614-814) de Vasconcelos RA, Murphy S, Carvalho CA, Govindjee RG, Govindjee S, Peters OA. Evidence for Reduced Fatigue Resistance of Contemporary Rotary Instruments Exposed to Body Temperature. J Endod 2016 (42): 782-715) Shahabinejad H, Ghassemi A, Pishbin L, Shahravan A. Success of ultrasonic technique in removing fractured rotary nickel-titanium endodontic instruments from root canals and its effect on the required force for root fracture. J Endod 2013 (39):824–8.16) Cheung G, Peng B, Bian Z, et al. Defects in ProTaper S1 instruments after clinical use: fractographic examination. Int Endod J 2005 (38):802–9.17) Inan U, Gonulol N. Deformation and fracture of Mtwo rotary nickel-titanium instrumentsafter clinical use. J Endod 2009 (35):1396–9.18) Castello-Escriva R, Alegre-Domingo T, Faus-Matoses V, et al. In vitro comparison of cyclic fatigue resistance of ProTaper, WaveOne and Twisted Files. J Endod 2012 (38): 1521–4.19) Yared G. Canal preparation using only one Ni-Ti rotary instrument: preliminary observations. Int Endod J 2008 (41):339–44.20)Plotino G, Grande NM, Cordaro M, Testarelli L, Gambarini G. A review of cyclic fatigue testing of nickel-titanium rotary instruments. J Endod 2009 (35):1469-7621) Yılmaz K, Uslu G, Gündoğar M, Özyürek T, Grande NM, Plotino G. Cyclic fatigue resistances of several nickel-titanium glide path rotary and reciprocating instruments at body temperature. Int Endod J 2018 (51): 924-3022) de Hemptinne F, Slaus G, Vandendael M, Jacquet W, De Moor RJ, Bottenberg P. İn Vivo Intracanal Temperature Evolution during Endodontic Treatment after the Injection of Room Temperature or Preheated Sodium Hypochlorite. J Endod 2015 (41): 1112-523) Özyürek T, Gündoğar M, Uslu G, Yılmaz K, Staffoli S,Gramde NM, Plotino G, Polimeni A. Cyclic fatigue resistances of Hyflex EDM, WaveOne gold, Reciproc blue and 2shape NiTi rotary files in different artificial canals. Odontology 2018: Epub Ahead of Print
Abstract
Amaç: One Curve (OC), Hyflex EDM (HEDM), WaveOne Gold (WOG) ve Reciproc Blue (RPC Blue) NiTi döner kanal aletlerinin kanal içi sıcaklıkta (35°) döngüsel yorgunluğa karşı gösterdikleri dirençlerin karşılaştırılmasıdır. Gereç ve Yöntemler: Yirmi OC (25/,06), 20 HEDM (25/,08), 20 WOG (25/,07) ve 20 RPC Blue (25/,08) kanal aleti kanal içi sıcaklıkta (35°) döngüsel yorgunluk direnci testine dahil edildi. Tüm kanal aletleri, 60° kurvatur açısı ve 5 mm kurvatur yarıçapına sahip paslanmaz çelik yapay kanallarda kırılıncaya kadar döndürüldü. Kırılıncaya kadar geçen süreler djital kronometre ile ölçülüp saniye cinsinden kaydedildi ve kırılıncaya kadarki tur sayıları (KKTS) hesaplandı. SPSS 21.0 yazılımında Kruskal-Wallis testi
ile istatistiksel analiz yapıldı. İstatistiksel anlamlılık değeri p<,05 olarak tespit edildi. Bulgular: KKTS değerlerine bakıldığında HEDM kanal içi sıcaklığında en yüksek döngüsel yorgunluk direnci değerlerini göstermiştir (p<,05) ve onu sırasıyla WOG, RPC Blue ve OC takip etmektedir. Diğer gruplar ile karşılaştırıldığında istatistiksel olarak anlamlı derecede en düşük döngüsel yorgunluk direncini OC göstermiştir (p<,05). Aletlerin kırık uzunlukları açısından istatistiksel olarak aralarında anlamlı bir farklılık yoktur. (p>,05). Sonuç: Çalışmamızın limitasyonları dahilinde döngüsel yorgunluğa karşı en yüksek direnci RPC Blue, WOG ve OC’ ile kıyaslandığında HEDM kanal eğesi göstermiştir
Keywords
References
- 1) Ankrum MT, Hartwell GR, Truitt JE. K3 Endo, ProTaper, and ProFile systems: breakage and distortion in severely curved roots of molars. J Endod 2004 (30): 234–7.2) Shen Y, Cheung GSP, Bian Z, Peng B. Comparison of defects in ProFile and ProTaper systems after clinical use. J Endod 2006 (32):61–5.3) Martin B, Zelada G, Varela P, et al. Factors influencing the fracture of nickel-titanium rotary instruments. Int Endod J 2003 (36):262–6.4) Kitchens GG, Liewehr FR, Moon PC. The effect of operational speed on the fracture of nickel-titanium rotary instruments. J Endod 2007 (33):52–4.5) Bui TB, Mitchell JC, Baumgartner JC. Effect of electropolishing ProFile nickel–titanium rotary instruments on cyclic fatigue resistance, torsional resistance, and cutting efficiency. J Endod 2008 (34):190–3.6) Peters OA, Gluskin AK, Weiss RA, Han JT. An in vitro assessment of the physical properties of novel Hyflex nickel–titanium rotary instruments. Int Endod J 2012 (45):1027-347) Gündoğar M, Özyürek. Cyclic Fatigue Resistance of OneShape, HyFlex EDM, WaveOne Gold,and Reciproc Blue Nickel-titanium Instruments. J Endod 2017 (43): 1192-68) Pedulla E, Lo Savio F, Boninelli S, Plotino G, Grande NM, La Rosa G, Rapisarda E. Torsional and Cyclic Fatigue Resistance of a New Nickel-Titanium Instrument Manufactured by Electrical Discharge Machining. J Endod 2016 (42):156-99) Yılmaz K, Uslu G, Özyürek T. Effect of multiple autoclave cycles on the surface roughness of HyFlex CM and HyFlex EDM files: an atomic force microscopy study. Clin Oral Investig 2018; Epub ahead of print10) WaveOne Gold brochure. Available at: https://www.dentsply.com/content/dam/ dentsply/pim/manufacturer/Endodontics/Obturation/Gutta_Percha_Points/WaveOne_Gold_Gutta_Percha_Points/W1G_Brochure_EN.pdf. Accessed July 10, 2017.11) Özyürek T. Cyclic Fatigue Resistance of Reciproc, WaveOne, and WaveOne Gold Nickel-Titanium Instruments. J Endod 2016 (42):1536-912) Özyürek T, Uslu G, Yılmaz K, Gündoğar M. Effect of Glide Path Creating on Cyclic Fatigue Resistance of Reciproc and Reciproc Blue Nickel-titanium Files: A Laboratory Study. J Endod 2018 (44):1033-713) Plotino G, Grande NM, Testarelli L, Gambarini G. Cyclic fatigue of Reciproc and WaveOne reciprocating instruments. Int Endod J 2012 (45): 614-814) de Vasconcelos RA, Murphy S, Carvalho CA, Govindjee RG, Govindjee S, Peters OA. Evidence for Reduced Fatigue Resistance of Contemporary Rotary Instruments Exposed to Body Temperature. J Endod 2016 (42): 782-715) Shahabinejad H, Ghassemi A, Pishbin L, Shahravan A. Success of ultrasonic technique in removing fractured rotary nickel-titanium endodontic instruments from root canals and its effect on the required force for root fracture. J Endod 2013 (39):824–8.16) Cheung G, Peng B, Bian Z, et al. Defects in ProTaper S1 instruments after clinical use: fractographic examination. Int Endod J 2005 (38):802–9.17) Inan U, Gonulol N. Deformation and fracture of Mtwo rotary nickel-titanium instrumentsafter clinical use. J Endod 2009 (35):1396–9.18) Castello-Escriva R, Alegre-Domingo T, Faus-Matoses V, et al. In vitro comparison of cyclic fatigue resistance of ProTaper, WaveOne and Twisted Files. J Endod 2012 (38): 1521–4.19) Yared G. Canal preparation using only one Ni-Ti rotary instrument: preliminary observations. Int Endod J 2008 (41):339–44.20)Plotino G, Grande NM, Cordaro M, Testarelli L, Gambarini G. A review of cyclic fatigue testing of nickel-titanium rotary instruments. J Endod 2009 (35):1469-7621) Yılmaz K, Uslu G, Gündoğar M, Özyürek T, Grande NM, Plotino G. Cyclic fatigue resistances of several nickel-titanium glide path rotary and reciprocating instruments at body temperature. Int Endod J 2018 (51): 924-3022) de Hemptinne F, Slaus G, Vandendael M, Jacquet W, De Moor RJ, Bottenberg P. İn Vivo Intracanal Temperature Evolution during Endodontic Treatment after the Injection of Room Temperature or Preheated Sodium Hypochlorite. J Endod 2015 (41): 1112-523) Özyürek T, Gündoğar M, Uslu G, Yılmaz K, Staffoli S,Gramde NM, Plotino G, Polimeni A. Cyclic fatigue resistances of Hyflex EDM, WaveOne gold, Reciproc blue and 2shape NiTi rotary files in different artificial canals. Odontology 2018: Epub Ahead of Print
Details
| Primary Language | English |
|---|---|
| Subjects | Health Care Administration |
| Journal Section | Original Research Articles |
| Authors | |
| Publication Date | March 13, 2019 |
| Submission Date | November 1, 2018 |
| Published in Issue | Year 2019Volume: 22 Issue: 1 |
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