Endocarditis prophylaxis is required before dental procedures only in patients with Prosthetic cardiac valves or prosthetic material used for cardiac valve repair Previous history of bacterial endocarditis Unrepaired cyanotic congenital heart disease, including palliative shunts and conduits Completely repaired congenital heart defect with prosthetic material or device (for 6 months after the procedure) Repaired congenital heart disease with residual defects at the site or adjacent to the site of a prosthetic patch or prosthetic device Cardiac transplantation recipients with a valvulopathy The heart is better protected against low-grade bacteremias, which occur in chronic dental conditions, when dental treatment is received (with prophylaxis) than when it is not received.