Effect of Cryogenic Treatment on Fracture Resistance of Nickel Titanium Rotary Instruments a Systematic Review
Journal Title: International Journal of Current Research and Review - Year 2017, Vol 9, Issue 15
Abstract
Introduction: Endodontic instruments upon rotation are subjected to both tensile and compressive stresses in curved canals. This stress is localized at the point of curvature. It has been demonstrated that the continuous cycle of tensile and compressive forces in the area of curvature of the canal to which (Nickel Titanium) NiTi rotary instruments are subjected produce a very destructive form of loading, causing cyclic fatigue and eventually fracture of the instrument.2 The aim of this study is to conduct a systematic review on the effect of cryogenic treatment on fracture resistance of nickel titanium rotary instruments. Methods: Two Internet sources of evidence were used in the search of appropriate papers satisfying the study purpose: the National Library of Medicine (MEDLINE PubMed) and Google Scholar, Google and manual search using DPU college library resources. All cross reference lists of the selected studies were screened for additional papers that could meet the eligibility criteria of the study. Results: Preliminary screening consisted total of 54 articles out of which 24 articles were selected. The papers were screened independently by two reviewers. At first the papers were screened by title and abstract. As a second step, full text papers were obtained when they fulfilled the criteria of the study aim. Any disagreement between the two reviewers was resolved after additional discussion. Finally 3 articles were included in this study. Conclusions: Within the limitations of this study we can conclude that the cryogenic treatment increases the fracture resistance of nickel titanium rotary instruments.
Authors and Affiliations
Kumar Ujjwal
Keywords
Related Articles
- EP ID EP609340
- DOI 10.7324/IJCRR.2017.9156
- Views 126
- Downloads 0
Relationship of Physical Fitness Parameters with Performance among the College Level Football Players
Aim: The purpose of this study was to ascertain relationship of physical fitness parameters with performance among college level football players and also to predict football performance on the basis of physical fitness...
Evaluation of Methyl Blue Sabouraud Dextrose Agar Medium for Differentiation of Candida dubliniensis from Candida albicans
Background: Candida dubliniensis that was first identified as a new species by Sullivan et al. (1995) in Dublin, Ireland (and was subsequently named after its place of origin) while performing an epidemiological investig...
Prevalence of Dental Caries Among Girl Students of Primary School in Buraydah City
Background: The prevalence of dental caries is high across Saudi Arabia and varied by geographic location. There are very few studies done to assess the prevalence rate of dental caries in Buraydah city. Aim: To determin...
Fulvestrant Efficacy in Artificial Menopausal Hormone Receptor Positive and Human Epidermal Growth Factor Receptor 2 Negative Metastatic Breast Cancer Patients under 50 Years Old
Introduction: This study investigated the efficacy of fulvestrant in premenopausal patients with metastatic breast cancer who developed artificial menopause using a luteinizing hormone releasing hormone analogue. Methods...
Antioxidant Efficacy of Black Tea and Green Tea Equally Modulates Vasculogenic Factors in Preeclamptic Placental Trophoblast: A Comparative Study
Aim: Preeclampsia is hypertensive disorder of human pregnancy. Trophoblast, a prime cell of the placenta, is affected during preeclampsia due to the imbalance between oxidant and antioxidants resulting in aberrant cellul...