More types of mobile phones, and the structure can be divided according to speed and low-speed high-speed mobile phones, high-speed mobile dental handpiece using high pressure air driven turbine handpiece for micro turbine speed can be up to 300,000 to 500,000 r / min, bur cutting speed can be up to 15m / s, while the low-speed mobile dental handpiece because it is gear, speed can be transferred per minute for thousands of 30000 rpm.
2013年9月8日星期日
yellow teeth how to do
Yellow teeth seriously troubled people's work and life, especially to people's lives communicative disorders, many people because of yellow teeth without changing laugh, do not even want more
Speak, then yellow teeth how to do it, today we have come to learn more about this topic.
Yellow teeth how to do? Experts pointed out: yellow teeth caused by a variety of reasons for yellow teeth treatment measures, should identify the cause of differentiation therapy.
Here we have yellow teeth to a detailed understanding of the cause. First, the water quality factors: dental Vacuum Former in some areas, especially in some mountainous areas, since high levels of fluoride in water, too much
Drinking fluoride teeth will be yellow, but big mouthful of yellow teeth. Second, poor health habits can also lead to the occurrence of dental Fadian: Some people do not pay attention to oral hygiene, no brushing
Habits, tooth surface accumulation layer food scraps, debris, calculus, smoke stains, tea stains. In addition, the teeth during development because poor nutrition or been ill, will
Calcification of the teeth affected teeth will yellow and crisp.
Yellow teeth, there are many reasons, such as drug problems can also lead to the occurrence of yellow teeth, yellow teeth, then how to do it? Experts pointed out that dental clinic,
For yellow teeth there are many ways, such as tooth bleaching, whitening, veneers, porcelain teeth, are a good teeth whitening methods, he may allow patients in a short period dental Endo Box Goodbye to yellow teeth, with a white white teeth.
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