This report presents a comprehensive analysis of the case of Dental Board of Australia v Karen Fazey, focusing on issues of effective team working and communication within a healthcare setting. The report examines the professional misconduct of Ms. Fazey, highlighting her failure to adhere to professional standards, including performing procedures beyond her scope of practice, and administering treatments without proper patient screening. It explores the factors contributing to these failures, such as potential work environment pressures, lack of continuous training, and conflicts within the workplace. The report further discusses the importance of evidence-based practice (EBP) and how its application could have mitigated the adverse outcomes in this case. It emphasizes the crucial role of nurses in maintaining patient safety by operating within established ethical codes and professional guidelines, as set by regulatory bodies like the NMBA and Dental Board of Australia. The analysis underscores the consequences of professional misconduct and the significance of effective communication and teamwork in delivering quality patient care.