Radiation and Aging and Their Impact on Dental materials
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Dental materials are unavoidable materials in everyday dental use for the making of fillings, cast post and cores systems, individual crowns and orthodontic devices. Materials implanted in the mouth are exposed over a long period of time to functional, biochemical and bacterial influences of a mouth media which can have a negative impact on a very therapeutic work or surrounding tissue. As the price of gold significantly increased in the1970s, alternative cheaper cobalt-chromium alloys came appeared on the dental market. Today cobalt-chromium alloys are widely used in prosthetic dentistry for ...
Dental materials are unavoidable materials in everyday dental use for the making of fillings, cast post and cores systems, individual crowns and orthodontic devices. Materials implanted in the mouth are exposed over a long period of time to functional, biochemical and bacterial influences of a mouth media which can have a negative impact on a very therapeutic work or surrounding tissue. As the price of gold significantly increased in the1970s, alternative cheaper cobalt-chromium alloys came appeared on the dental market. Today cobalt-chromium alloys are widely used in prosthetic dentistry for fabrication of removable partial dentures and some fixed prosthetic appliances. Advantages of using these dental alloys for casting prosthetic appliances are their low weight and good mechanical properties and also resistance to corrosion. Titanium is extensively used in dental because of its superior biocompatibility, corrosion resistance, desirable mechanical properties and relatively low cost.
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