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Anesthetic efficacy of 4% Articaine with 1:100,000 epinephrine versus 4% articaine with 1:200,000 epinephrine as a primary buccal infiltration in the mandibular first molar.

Author(s): McEntire M, Nusstein J, Drum M, Reader A, Beck M

Affiliation(s): Division of Endodontics, The Ohio State University, Columbus, Ohio, USA.

Publication date & source: 2011-04, J Endod., 37(4):450-4.

Publication type: Comparative Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

INTRODUCTION: No study has compared 4% articaine with 1:100,000 epinephrine with 4% articaine with 1:200,000 epinephrine in a mandibular buccal infiltration of the first molar. The authors conducted a prospective, randomized, double-blind, crossover study comparing the degree of pulpal anesthesia obtained with 4% articaine with 1:100,000 epinephrine and 4% articaine with 1:200,000 epinephrine as a primary infiltration in the mandibular first molar. METHODS: Eighty-six asymptomatic adult subjects randomly received a primary mandibular buccal first molar infiltration of a cartridge of 4% articaine with 1:100,000 epinephrine and a cartridge of 4% articaine with 1:200,000 epinephrine in 2 separate appointments. The authors used an electric pulp tester to test the first molar for anesthesia in 3-minute cycles for 60 minutes after the injections. RESULTS: The two 4% articaine formulations showed no statistically significant difference when comparing anesthetic success, onset of anesthesia, or incidence of pulpal anesthesia. CONCLUSIONS: The anesthetic efficacy of 4% articaine with 1:200,000 epinephrine is comparable to 4% articaine with 1:100,000 epinephrine in a primary mandibular buccal infiltration of the first molar. Copyright (c) 2011 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

Page last updated: 2011-12-09

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