RSSCategory: Dental Material

Dental waxes: Composition, Properties, Classification & Uses of dental wax

Dental waxes: Composition, Properties, Classification & Uses of dental wax

Dental waxes WAXES: Are thermoplastic materials which are normally solids at room temperature but melt, without decomposition, to form mobile liquids. Dental waxes are used in a wide variety of clinical and laboratory dental procedures. Composition: They are composed of a mixture of thermoplastic components from natural & synthetic sources. Natural waxes are produced from: […]

January 19, 2013 | By | Reply More
Properties of Clasps

Properties of Clasps

Properties of Clasps Properties of clasps should include the following : Strength. Should be strong enough in thin cross-section to withstand oral forces. Adding molybdenum in small amounts to cobalt chromium alloy increases its strength; however, the addition of nickel decreases its strength while increasing its ductility.  Ductility. In cobalt chromium the grains tend to […]

January 25, 2012 | By | Reply More
Impression Materials PPT

Impression Materials PPT

Impression Materials PPT PowerPoint lecture slide Size: 1.57 MB Download     Impression Materials —  Non-elastic —  Elastic ¡  Aqueous hydrocolloids ÷ Agar ÷ Alginate ¡  Non-aqueous elastomers ÷ Polysulfide ÷ Silicones ¢ Condensation ¢ Addition ÷ Polyether —  Indications —  Diagnostic casts ¡  preliminary ¡  opposing —  Indirect reconstruction ¡  fixed ¡  removable —  […]

December 15, 2011 | By | Reply More
Advantage and Disadvantage of Amalgam

Advantage and Disadvantage of Amalgam

Amalgam is a alloy of 2 or more metal. One of these is mercury. Amalgam is prepared by combination of alloy with mercury through a process called amalgamation. The unset mixture is then packed within prepared cavity where it hardened by crystallization. Silver amalgam is most widely used restorative materials. The ability to restore a […]

August 5, 2011 | By | Reply More
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