Preventive dentistry
Whitening toothpastes
First toothpastes were manufactured in ancient Egypt and consisted of a mixture of vinegar and pumice. And although modern whitening toothpastes have a complex composition and include many different components, all of toothpaste, bleach as well as simpler, include a number of similar components: Abrasives – Abrasives vary and may include dicalcium phosphate, silicon oxide [...]
Standard manufacturing processes for gear cutting tools diamond wheels
The emergence of synthetic diamonds and commercial production of grinding wheels have created real preconditions for the development of designs, manufacturing technology and industrial Nogo introduction of carbide gear cutting tools. The hardness of tungsten carbide, titanium, etc., which are the basis of hard alloys, close to or equal to the hardness of green silicon [...]
Oral a plait microbiome shows much about that, lives in a mouth
ScienceDaily (on February, 28th 2009) – Like you it or not, the mouth is the house for a prospering community of microbic life. More than 700 various kinds of the bacteria living in it by “microbiome”, but all hosts a unique set of errors, and it can have important consequences for health and illnesses. Scientists [...]