What is the main function of adrenalin during the endodontic surgery:
a. Vasoconstrictor
b. Reduce the system of lidocaine
c. Increase the duration of anesthesia
d. Hemostatic agent *****
Local vasoconstrictor in local anesthetics or gingival retraction cords. 26, 27 its also used in endodontic microsurgery as a hemostatic agent to control the bleeding in bone cavity.