Objective: The objective of the present study was to compare the Wand computer-controlled anesthetic delivery system with a conventional technique as to pain of needle insertion and the pain during injection according to the patient's dental anxiety levels.
Study Design: The study sample comprised 52 healthy patients about to undergo routine tooth extraction. A dental anxiety scale was used to determine anxiety levels before anesthetic administration. Anesthesia technique selection was made according to the patients' anxiety level. After each injection, patients completed pain rating score and visual analog scale to rate their pain perception during needle insertion and injection.
Results: The patients receiving the Wand system reported significantly less pain of needle insertion and less pain during injection (P < .05).
Conclusion: Under the conditions of this study, although the anxiety levels of patients were higher in Wand injection than conventional syringe injection, the Wand seemed to be less painful. However, the mean ratings of pain were mostly mild or no pain for both injections.
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