The Quality Department of Dar Al-Shefa Hospital gave a lecture entitled ((Radical Analysis of the facts)) presented by Dr. / Mohammed Al-Ahmad, Head of Dental and Quality Department, on Sunday 21/1/2018, in which he talked about the definition of analysis and its purpose and methods of completion and the importance of knowing the causes of problems to avoid re-occurrence And identify the most appropriate ways to solve them according to the basics of Pareto and fish scheme.