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消毒和灌溶液对纳米结构改变的尼铁旋转仪器在内牙科的效果:一个原子力显微镜研究

Izaz Shaik¹, Bhargavi Dasari¹, Satish Alapati²

¹Rutgers School of Dental Medicine, Newark, New Jersey, USA.

Journal of pharmacy & bioallied sciences

|April 10, 2024

概括

杀菌和灌溶液,如低化物 (NaOCl) 和乙烯基胺三酸 (EDTA) 显著增加- (Ni-Ti) 旋转文件的表面粗度. EDTA造成了最严重的表面损坏,影响了牙周内脏病档案的完整性.

科学领域:

牙周内科医院牙周内科医院牙周内科医院
材料科学材料科学材料科学
表面工程是什么?表面工程是什么?

背景情况:

- (Ni-Ti) 旋转文件在内牙科手术中至关重要.
在消毒和灌后了解Ni-Ti文件的纳米结构变化对于临床寿命和安全至关重要.

研究的目的:

评估四种类型的Ni-Ti旋转文件中的纳米结构变化,在暴露于自闭室灭菌后,5.25%的二 (NaOCl) 和17%的乙烯基二胺四酸 (EDTA).
用原子力显微镜 (AFM) 评估这些处理对Ni-Ti旋转文件表面粗性的影响.

主要方法:

四个商用Ni-Ti旋转文件系统 (Vortex Blue,ProTaper Next,Mtwo,iRaCe) 进行了测试.
档案经历了自闭柜循环,浸泡在5.25%的NaOCl或17%的EDTA中5分钟.
使用原子力显微镜 (AFM) 量化表面粗度,测量粗度平均值 (RA) 和平方根平均值 (RMS).

主要成果:

所有测试的Ni-Ti旋转文件显示,在灭菌和灌处理后,表面粗度 (RA和RMS值) 在统计上显著增加 (P <0.05).
Mtwo文件组在对照组中显示了最高的表面粗度.
用17%的EDTA处理导致了所有测试的Ni-Ti文件类型中最明显的表面恶化.

结论:

自闭体灭菌和常见的内牙灌溶液 (NaOCl,EDTA) 诱导了显著的纳米结构变化,增加了Ni-Ti旋转文件的表面粗度.
17% 在评估的治疗方法中,EDTA对表面恶化的风险最大,可能会影响内牙科文件的机械性能和寿命.

关键词:

17% EDTA 17% EDTA的使用情况 5.25% 的 NaOClCl.航空飞行管理 (AFM)在Ni-Ti旋转仪器.自动固器自动固器自动固器表面的粗度表面的粗度

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