Case Report / Humans / Male / Young Adult / Antibiotic Prophylaxis / Anti-Bacterial Agents / Infective Endocarditis / Amoxicillin / Public health systems and services research / Removable Partial Denture / Ventricular Septal Defect / Heart Ventricles / Penicillin G / Anti-Bacterial Agents / Infective Endocarditis / Amoxicillin / Public health systems and services research / Removable Partial Denture / Ventricular Septal Defect / Heart Ventricles / Penicillin G