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Showing posts from November, 2006

infective endocarditis & its dental prophylaxis..

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Definition Subacute Bacterial Endocarditis (SBE) is a bacterial infection that produces growths on the endocardium (the cells lining the inside of the heart). Subacute bacterial endocarditis usually (but not always) is caused by a viridans streptococci (a type of bacteria); it occurs on damaged valves, and, if untreated, can become fatal within six weeks to a year. Description Endocarditis has traditionally been classified as acute or subacute based upon the pathogenic organism and the clinical presentation. This distinction has become less clear, however, and the less specific term "infective endocarditis" is now more commonly used. Most patients who develop infective endocarditis have underlying cardiac disease, although this is frequently not the case with intravenous drug abusers and hospital-acquired infections. Important factors that determine the clinical presentation are: 1.the nature of the infecting organism 2.whether the infection is superimposed upon preexisting a

removable vs fixed bridge.....

Treatment Planning for Single Missing Teeth Single Tooth Replacement Options Fixed Partial Denture (FPD) Removable Partial Denture (RPD) Interim or Transitional Partial Denture (Flipper) Implant Supported Restoration Resin Retained Bridge (Maryland bridge) Cantilever Bridge Indications for Single Tooth Replacement Traumatically avulsed tooth Congenitally missing tooth Extraction of non-restorable tooth External resorption Removable Partial Denture Advantages Disadvantages ·Indicated when acrylic will improve ·Requires an essential amount of metal appearance (excessive bone loss) framework and tooth support to replace · Least expensive one or two teeth · Treatment of choice for patients who have difficulty with hygiene Fixed Partial Denture Advantages Disadvantages ·Esthetics