J.A. Baart, Department of Oral-Maxillofacial Surgery, Vrije Universiteit Medical Centre and Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, the Netherlands. For more than three decades, Dr Baart has taught the dental students of ACTA in oral and maxillofacial surgery and the practical aspects of the administration of local anaesthetics. He now coordinates the course “Introduction to local anaesthesia” at ACTA. H.S. Brand, Department of Oral-Maxillofacial Surgery & Department of Basic Dental Sciences, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, the Netherlands. Since 1996, Dr Brand has taught on the “side-effects of local anaesthetics”. He coordinated the course “Introduction to local anaesthesia” at ACTA for several years.