Phase 1 - Creation of an educational program consisting of various health professionals so that we can educate the patients about OA disease, and their role in treatment. This program will be administered in a single day and reviewed / reinforced after an interval of time. Half the patients will be monitored monthly by phone when questions specific to each health area will be made to participants. This way we will evaluate the strength of the telephone follow-up. We're going to create educational printed an audiovisual materials for patients, so they can access the information given in the theoretical course at home. Calculation of cost-effectiveness and presentation of data to the authorities.