A 45-year-old man with bicuspid aortic valve and no previous endocarditis is scheduled for elective dental extraction. According to current Australian recommendations, what is the most appropriate approach to antibiotic prophylaxis?ARoutine amoxicillin prophylaxis is recommended for all bicuspid valvesBProphylaxis is only recommended for patients at highest risk, such as those with prosthetic valves or previous endocarditisCAll patients undergoing dental extraction require prophylaxisDOnly intravenous antibiotics are effective as prophylaxisEProphylaxis is required solely based on the presence of a murmurCheck my answer