[Endodontic treatment in patients at risk]

The course of the endodontic treatment of periapical process in a patient with renal engraftment is described. Such a patient is under a constant cytostatic therapy suppressing the immune system, thus the risk of the endodontic treatment failure being higher, with the possibility of patient's health impairment. Preparation, premedication and performance of endodontic therapy applicable in patients at risk are described and explained. Consultations with respective medical professionals were necessary, pointing to the need of an interdisciplinary approach in such patients.