[Pharmacologic prevention of allergic complications caused by local anesthesia in odontostomatology].

The immunological responses of IgE mediated Type I and of cell-mediated Type IV that intervene in the biphasic mechanism of allergic phenomena, represent the site of action of the pharmacological therapeutic aids usable in the prophylaxis of allergic complications of local anaesthetics. Having examined the pharmacodynamics, the possible clinical use of these drugs is discussed.