The dose of midazolam was calculated by the formula of 0.5 mg/kg, although the maximum administered was 15 mg in a single oral bolus.
Parents were asked to give written consent for the treatment and sedation.
It was explained that an adult escort was needed for each child when attending for treatment.
Competence in sedative techniques for children is recognised after successful completion of at least 100 cases.
Practitioners in the United Kingdom must have four years of post-registration experience and training in paediatric cardio-pulmonary resuscitation.
Simple treatment included extraction of single-rooted tooth or conservation without local anaesthetic (LA).
Moderate included conservation of a permanent tooth using LA plus rubber dam, or extraction of a permanent multi-rooted tooth.Oral sedation using midazolam has been used in the department of paediatric dentistry at King's College Hospital (KCH) since June 2007.It is an alternative to general anaesthesia for dental treatment in young children.Dental treatment and sedation were provided by only one dentist (LLM), who had formal sedation training.This included basic life support (BLS), paediatric basic life support (PBLS) and paediatric advanced life support (PALS).The options for pain control were explained and discussed with parent(s) or carers.