Evaluation of the injection pain with the use of DentalVibe injection system during supraperiosteal anaesthesia in children: a randomised clinical trial

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The purpose of this study was to compare the use of a traditional syringe (TS) and the DentalVibe (DV) Injection Comfort System on the pain of needle insertion and injection of supraperiosteal (SP) anaesthesia into the mandibles and maxillas of children aged 6–12 years.


The study was a randomised, controlled, crossover clinical trial, comprising 60 children requiring an operative procedure with SP anaesthesia on both their mandibular and maxillary molars, bilaterally. One of the molars was treated with a TS, and the contralateral tooth was treated with the DV for both arches. On each visit, subjective and objective pain was evaluated using the Wong-Baker FACES Pain Rating Scale and the Face, Leg, Activity, Cry, Consolability Scale. Patients were asked which technique they preferred. The data were analysed using Wilcoxon signed-rank test, Spearman's correlation test, and Mann–Whitney U-test.


No statistically significant differences were noted between TS and DV for pain during injection and needle insertion for supraperiosteal anaesthesia in either the maxillary and mandibular operative procedures.


Children experienced similar pain during SP anaesthesia administered with a TS and the DV, regardless of gender and jaw differences. DV was less preferred over the traditional procedure in children.

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