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Pulpal anaesthesia for mandibular permanent first molar teeth: A double-blind randomized cross-over trial comparing buccal and buccal plus lingual infiltration injections in volunteers

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

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Abstract

Aim To compare the efficacy of buccal and buccal plus lingual infiltration anaesthesia for permanent mandibular first molars. Methodology Thirty one healthy adult volunteers received each of the following methods of anaesthesia for a mandibular first molar tooth in a randomised order, 1) Buccal infiltration of 1.8 mL and needle penetration lingually. 2) Buccal infiltration of 0.9 mL, plus lingual infiltration of 0.9 mL. Two percent lidocaine with 1:100,000 epinephrine was used. Electrical pulp testing was performed before, and every 2 minutes for 30 minutes after injection. A successful outcome was recorded as the absence of pulp sensation on two or more consecutive maximal pulp tester stimulations (80 (J.A). Injection discomfort was assessed using visual analogue scales. Data were compared with McNemar and Wilcoxon Signed Ranks tests. Results Buccal infiltration was successful in 38.7% of cases compared to 32.3% after combined infiltrations; the difference was not significant (P = 0.63). Buccal infiltration produced more episodes of no response to maximum stimulation than buccal and lingual infiltrations (129 and 114 respectively), this difference was not significant (P = 0.11). Peak anaesthetic effect occurred around 10-14 minutes after injection. There was no difference in injection discomfort between buccal injections of 0.9 mL and 1.8 mL of solution (P = 0.90). Lingual injection was more uncomfortable than lingual penetration (P = 0.002). Conclusions Buccal and buccal plus lingual infiltrations did not differ in their efficacy in producing anaesthesia of permanent first molar teeth. © 2006 International Endodontic Journal.

Publication metadata

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

Publication type: Article

Publication status: Published

Journal: International Endodontic Journal

Year: 2006

Volume: 39

Issue: 10

Pages: 764-769

ISSN (print): 0143-2885

ISSN (electronic): 1365-2591

Publisher: Wiley-Blackwell

URL: http://dx.doi.org/10.1111/j.1365-2591.2006.01144.x

DOI: 10.1111/j.1365-2591.2006.01144.x

PubMed id: 16948661

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