Lidocaine 20% patch vs lidocaine 5% gel for topical anaesthesia of oral mucosa.

Background: Topical anaesthetics are important to provide pain control at dental injection.

Aim: The aim was to evaluate the effectiveness of the intraoral topical anaesthetics lidocaine 20% patch (DentiPatch) and lidocaine 5% gel.

Design: The randomized unblinded cross-over study included 31 patients (ten boys, 21 girls) aged 13.