A comparative analysis of cyclic fatigue of a new preheated machined CM wire endodontic files after exposure to different irrigants | ||||
Egyptian Dental Journal | ||||
Article 31, Volume 65, Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), October 2019, Page 3847-3853 PDF (519.37 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/edj.2019.76033 | ||||
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Authors | ||||
Hala Fayek Khalil1; Sara Samir El Mallah2 | ||||
1Lecturer of Endodontics Faculty of Dentistry The British University in Egypt | ||||
2Lecturer of Endodontics Faculty of Dentistry Fayoum University | ||||
Abstract | ||||
AIM: Analysis of cyclic fatigue of a new preheated machined CM wire MPro endodontic files after exposure to lycopene, curcumin and Soduim hypochlorite for two different immersion observation periods; 5 minutes and 10 minutes Methodology: Eighteen size 20 MPro files were used in this study, divided into three groups of 6 files each according to irrigant used: Group I lycopene, Group II curcumin and Group III Soduim hypochlorite. All files were immersed in irrigants for either 5 or 10 minutes. The cyclic fatigue tess were performed on all files of both immersion periods using a static cyclic fatigue testing device, which have an artificial stainless steel canal and tested using a custom-made static cyclic fatigue testing apparatus. Parameters recorded were time to fracture, number of cycles to failure (NCF) and mean length of fractured segments. Results: Results showed no statistically significant difference between the different irrigants at the two observation periods and within the same group regarding time to fracture, number of cycles to failure (NCF) and mean length of fractured segments. Conclusion: All tested irrigants lycopene, curcumin and Soduim hypochlorite had same effect on cyclic fatigue of the preheated machined CM wire Mpro endodontic files when used for 5 or 10minutes. | ||||
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