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Articaine buccal infiltration enhances the effectiveness of lidocaine inferior alveolar nerve block

Lookup NU author(s): Dr Mohammad Kanaa, Professor John Whitworth, Dr Ian Corbett, Dr John Meechan


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To compare mandibular tooth pulpal anaesthesia and reported discomfort following lidocaine inferior alveolar nerve block (IANB) with and without supplementary articaine buccal infiltration. In this prospective randomized double-blind cross-over study, thirty-six healthy adult volunteers received two IANB injections of 2 mL lidocaine 2% with epinephrine 1 : 80 000 over two visits. At one visit, an infiltration of 2 mL of articaine 4% with epinephrine 1 : 100 000 was administered in the mucobuccal fold opposite a mandibular first molar. At the other visit, a dummy injection was performed. Injection discomfort was recorded on 100 mm visual analogue scales. Pulpal anaesthesia of first molar, premolar, and lateral incisor teeth was assessed with an electronic pulp tester until 45 min post-injection. A successful outcome was recorded in the absence of sensation on two or more consecutive maximal pulp tester stimulations. Data were analysed using McNemar and Student's t-tests. The IANB with supplementary articaine infiltration produced more success than IANB alone in first molars (33 volunteers vs. 20 volunteers respectively, P

Publication metadata

Author(s): Kanaa MD, Whitworth JM, Corbett IP, Meechan JG

Publication type: Article

Publication status: Published

Journal: International Endodontic Journal

Year: 2009

Volume: 42

Issue: 3

Pages: 238-246

Date deposited: 18/05/2010

ISSN (print): 0143-2885

ISSN (electronic): 1365-2591

Publisher: Wiley-Blackwell Publishing Ltd.


DOI: 10.1111/j.1365-2591.2008.01507.x


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