A 13-year-old boy needs his 46th tooth extracted due to chronic granulomatous periodontitis. He has pancreatic diabetes as a concomitant disease. Choose the most advisable anaesthetic and its way of administration.

Answer options

1. Infiltration anesthesia with 2% lidocaine solution
2. Mandibular anaesthesia with Ultracain DS forte (epinephrine concentration 1:100 000)
3. Intravenous anaesthesia with thiopental sodium solution
4. -
5. Mandibular anaesthesia with 3% Scandonest solution