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.
Properties of osmium. Osmium is one of the densest elements in the world. It is a lustrous, bluish white, hard metal and can be brittle even at a high temperature. Within the platinum group, osmium has the highest melting point and the lowest vapor pressure. Osmium tetroxide is a highly toxic powerful oxidizing agent with a strong odor. [See Periodic Table of the Elements ].