Adrenaline (epinephrine) makes the blood vessels at the site of injection narrower, which means the patient bleeds less and it is easier for the dentist to see what is happening.
Ease of administration.
Rapid and pleasant induction.
Decreased Blood flow to the surgical site.
Prolongs the action.
Reduces systemic toxicity.
Wound Complication - Infection is less.
Cardiovascular absorption is slow.
Used in prevention and control of pain in Surgical, Endodontic and Operative procedures in Dentistry by nerve block or infiltration techniques.
Mode of action
Warren Lignox Lignocaine 2% A contains an anesthetic and a vasoconstrictor stabilizes the neuronal membrane by inhibiting ionic fluxes, required for initiation and conduction of nerve impulses, thereby affecting local Anastasia action.
Onset - 2 - 3 minutes
Warren Lignox Lignocaine 2% A - contains adrenaline (also known as epinephrine) to make it last longer.