{"title":"两种不同旋转式镍钛仪器抗循环疲劳性能的比较（体外研究）","authors":"Dalia Abd allah, mohamed Nagy, Tariq Yehia","doi":"10.21608/asdj.2023.216874.1180","DOIUrl":null,"url":null,"abstract":"Aim: The aim of this study was to compare the dynamic CFR of M3-ProGold instruments and Pepsi Gold instruments. Material and methods: Eighty files of size 25/.06 of M3 Pro Gold files and Pepsi Gold files (each n = 40) were evaluated for dynamic cyclic fatigue resistance inside two artificial stainless-steel canals with 2 different radii [(60̊ curvature, 3 and 5 mm curvature radii) at body temperature and immersed in distilled water at 37° ± 1°C. The NCF (number of cycles to failure) was documented. The data was analysed by the use of ANOVA and Tukey post hoc tests (P ≤ 0 .05). Results: The Pepsi Gold instruments had a significantly greater NCF than the M3 Pro Gold files in both canal radii at body temperature. Conclusion: Pepsi Gold instruments have higher CFR than M3 Pro Gold instruments.","PeriodicalId":505319,"journal":{"name":"Ain Shams Dental Journal","volume":"36 1‐2","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparison of Cyclic Fatigue Resistance of Two Different Rotary NiTi Instruments (An In-Vitro Study)\",\"authors\":\"Dalia Abd allah, mohamed Nagy, Tariq Yehia\",\"doi\":\"10.21608/asdj.2023.216874.1180\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Aim: The aim of this study was to compare the dynamic CFR of M3-ProGold instruments and Pepsi Gold instruments. Material and methods: Eighty files of size 25/.06 of M3 Pro Gold files and Pepsi Gold files (each n = 40) were evaluated for dynamic cyclic fatigue resistance inside two artificial stainless-steel canals with 2 different radii [(60̊ curvature, 3 and 5 mm curvature radii) at body temperature and immersed in distilled water at 37° ± 1°C. The NCF (number of cycles to failure) was documented. The data was analysed by the use of ANOVA and Tukey post hoc tests (P ≤ 0 .05). Results: The Pepsi Gold instruments had a significantly greater NCF than the M3 Pro Gold files in both canal radii at body temperature. Conclusion: Pepsi Gold instruments have higher CFR than M3 Pro Gold instruments.\",\"PeriodicalId\":505319,\"journal\":{\"name\":\"Ain Shams Dental Journal\",\"volume\":\"36 1‐2\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Ain Shams Dental Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.21608/asdj.2023.216874.1180\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ain Shams Dental Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21608/asdj.2023.216874.1180","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comparison of Cyclic Fatigue Resistance of Two Different Rotary NiTi Instruments (An In-Vitro Study)
Aim: The aim of this study was to compare the dynamic CFR of M3-ProGold instruments and Pepsi Gold instruments. Material and methods: Eighty files of size 25/.06 of M3 Pro Gold files and Pepsi Gold files (each n = 40) were evaluated for dynamic cyclic fatigue resistance inside two artificial stainless-steel canals with 2 different radii [(60̊ curvature, 3 and 5 mm curvature radii) at body temperature and immersed in distilled water at 37° ± 1°C. The NCF (number of cycles to failure) was documented. The data was analysed by the use of ANOVA and Tukey post hoc tests (P ≤ 0 .05). Results: The Pepsi Gold instruments had a significantly greater NCF than the M3 Pro Gold files in both canal radii at body temperature. Conclusion: Pepsi Gold instruments have higher CFR than M3 Pro Gold instruments.
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