Genetic Diseases of the Teeth. Genetic diseases are caused by gene mutations that are inherited from one or both parents. Certain genetic diseases can cause abnormalities in the teeth, affecting the rate of development of primary (baby) and secondary (adult) teeth or their physical characteristics. Often, these genetic diseases affect the normal growth and health of other parts of the body, as well.
Osmium has only a few uses. It is used to produce very hard alloys for fountain pen tips, instrument pivots, needles and electrical contacts. It is also used in the chemical industry as a catalyst. Biological role.smium has only a few uses. It is used to produce very hard alloys for fountain pen tips, instrument pivots, needles and electrical contacts. It is also used in the chemical industry as a catalyst. Biological role.
Osmium oxide, OsO 4, is highly toxic, and boils at 130Â°C (760 mm). Concentrations in air as low as 10 -7 g m -3 can cause lung congestion, skin damage, and severe eye damage. Osmium if found as the free element in iridiosmium, a naturally occurring alloy of iridium and osmium, and with platinum-bearing sands and ores.