In the first part of the paper the author describes the problems of haemostasis in a complex report. He also describes possible influencing of the haemostasis by the anticoagulant therapy. In the second part of the paper the author focuses his attention on different procedures during the dento-surgical treatment of patients with an anticoagulant therapy. At the end of the paper, there is a recommendation for an outpatient dento-surgical treatment in the course of the anticoagulant therapy.

        Key words: anticoagulant therapy – extraction