patient, common health factors influence response to treatment, and the patients health is constantly changing.1 Preventative antibiotics before a dental procedure are advised for patients with underlying cardiac conditions, a history of IE, and total joint replacements who have suppressed immune systems. Conditions that require premedication include:3 A. Congenital heart disease, but only the following types: a. Unrepaired Cyanotic Congenital Heart Disease Cyanotic heart disease is a heart defect