This document outlines the process for taking and documenting a patient's case history. It begins with collecting personal information like name, age, sex, address, and occupation. The chief complaint is then documented. The history of present illness details the onset and progression of symptoms. Past dental and medical histories are obtained. A family, social, and medication history is also taken. A physical exam including extraoral and intraoral assessments is performed. Investigations may be done. A provisional diagnosis is made, followed by a differential diagnosis, further investigations if needed, and a final diagnosis. A treatment plan and physician referral if required are then outlined before concluding the case history. The goal is to obtain all relevant health information to arrive at an accurate