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首页> 外文期刊>BMC Oral Health >Evaluation of the safety and efficiency of novel metallic implant scaler tips manufactured by the powder injection molding technique
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Evaluation of the safety and efficiency of novel metallic implant scaler tips manufactured by the powder injection molding technique

机译：通过粉末注射成型技术制造的新型金属植入式洁牙机刀头的安全性和效率评估

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Background Although many studies have compared the properties of ultrasonic scaling instruments, it remains controversial as to which is most suitable for implant scaling. This study evaluated the safety and efficiency of novel metallic ultrasonic scaler tips made by the powder injection molding (PIM) technique on titanium surfaces. Methods Mechanical instrumentation was carried out using four types of metal scaler tips consisting of copper (CU), bronze (BR), 316?L stainless steel (316?L), and conventional stainless steel (SS) tips. The instrumented surface alteration image of samples was viewed with scanning electron microscope (SEM) and surface profile of the each sample was investigated with confocal laser scanning microscopy (CLSM). Arithmetic mean roughness (Ra) and maximum height roughness (Rmax) of titanium samples were measured and dissipated power of the scaler tip was estimated for scaling efficiency. Results The average Ra values caused by the 316?L and SS tip were about two times higher than those of the CU and BR tips ( p Conclusions Novel metallic bronze alloy ultrasonic scaler tip minimally damages titanium surfaces, similar to copper alloy tip. Therefore, this bronze alloy scaler tip may be promising instrument for implant maintenance therapy.
机译：背景技术尽管许多研究已经比较了超声洗牙仪的性能，但是关于哪种最适合植入物洗牙仍存在争议。这项研究评估了通过粉末注射成型（PIM）技术在钛表面上制成的新型金属超声洁牙机针头的安全性和效率。方法机械仪器使用四种类型的金属洁牙机头组成，包括铜（CU），青铜（BR），316？L不锈钢（316？L）和常规不锈钢（SS）头。用扫描电子显微镜（SEM）观察样品的仪器表面变化图像，并用共聚焦激光扫描显微镜（CLSM）研究每个样品的表面轮廓。测量了钛样品的算术平均粗糙度（Ra）和最大高度粗糙度（Rmax），并估算了洁牙机尖端的耗散功率以提高洁牙效率。结果316？L和SS尖端引起的平均Ra值大约是CU和BR尖端的两倍（p结论新型金属青铜合金超声洁牙机尖端对钛表面的损伤最小，类似于铜合金尖端。因此，这种青铜合金洁牙机头可能是有前途的植入物维持治疗仪。

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