European Archives of Paediatric Dentistry

, Volume 14, Issue 1, pp 9–13 | Cite as

Comparison of two computerised anaesthesia delivery systems: pain and pain-related behaviour in children during a dental injection

  • J. NieuwenhuizenEmail author
  • E. J. Hembrecht
  • I. H. A. Aartman
  • J. Krikken
  • J. S. J. Veerkamp
Original Scientific Article



The purpose of this study was to investigate whether there is a difference in pain and distress response of the child when using two different computer-controlled local analgesic delivery systems, the Sleeper One® and the WAND®, and whether this was influenced by the anxiety level of the child.


This randomised controlled trial was conducted among 112 children (56 girls) aged 4–6 years (mean age 66 months, SD 9 months). All children needing at least one dental visit using local analgesia were randomly assigned to either the Sleeper One® or the WAND®.


During the injection phase, children expressed the same amount of disruptive behaviour using the Sleeper One® or the WAND® (Mann–Whitney U test, p > 0.05). The average injection time of the Sleeper One® (mean 2.49 min, SD 0.56) was significantly shorter than that of the WAND® (mean 3.20 min, SD 0.61; Mann–Whitney U test, p < 0.001).


No significant difference was found in pain and distress reaction of the child between the WAND® and the Sleeper One®. The average delivery time of the Sleeper One® was shorter.


Dental anxiety Local analgesia Computer-controlled local anaesthetic delivery system (CCLAD) Sleeper One® The WAND® 


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Copyright information

© European Academy of Paediatric Dentistry 2013

Authors and Affiliations

  • J. Nieuwenhuizen
    • 1
    • 3
    Email author
  • E. J. Hembrecht
    • 1
  • I. H. A. Aartman
    • 2
  • J. Krikken
    • 1
  • J. S. J. Veerkamp
    • 1
  1. 1.Department of Paediatric DentistryAcademic Centre for Dentistry Amsterdam (ACTA)AmsterdamThe Netherlands
  2. 2.Department of Social Dentistry and Behavioural SciencesAcademic Centre for Dentistry Amsterdam (ACTA)AmsterdamThe Netherlands
  3. 3.AmsterdamThe Netherlands

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