Adrenaline is the main vasoconstrictor used in local anaesthetic solutions in dentistry. However, vasoconstrictors are associated with various unanticipated medical complications that can put patients’ life at risk. This article discusses various contraindications associated with vasoconstrictors in local anesthetic solutions in dentistry. Vasoconstrictors are added to the solution to improve its anaesthetic efficiency and duration, provides a near bleedless operative field and decreases the absorption rate of local anaesthetics by reducing the plasma concentration.
The most commonly used local anaesthetic for dental surgery is 2% lignocaine with 1 in 80,000 adrenaline. The 1/200,000 or 1/100,000 solution gives a sufficient duration of action for the majority of minor surgical procedures in dentistry. Contraindications Of Vasoconstrictors In Anesthetic Solution Addition of adrenaline to…
