Simulated fixed orthodontic appliances were constructed, immersed and incubated in artificial saliva for periods up to three months.Two types of stainless steel archwires and two types of NiTi wires were used.The surface corrosion of the archwires was determined macroscopically, with scanning electron microscopy, and with spectrophotometry.The depo
In light of current environmental challenges, it often seems that optimism is a required emotional state for addressing our future.This can be seen in how different technological fixes are assumed to sort our futures out at the same time as requiring minimal change in our daily lives.Moving beyond our existing high-carbon and material lives require
Xiao Ke,1,2,* Yiteng Huang,2,* Liang Li,3 Fuya Xin,3 Luhua Xu,3 Yuangui Zhang,3 Zhicong Zeng,3 Fengxia Lin,3 Yinzhi Song3 1Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Guangdong Provincial Engineering and Technological Research Center for Drug copyright Development, Department of Biomedical Engineering, Jinan University,
The results of the influence of reducing bicycle ergometric exercise on functional status and physical fitness swimmers.The experiment involved 34 athletes.Was used bicycle ergometric test Navakki.Recommended for classes on bicycle into account the level of individual exercise tolerance.On the adequacy of physical activity should be judged by Spong