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Blog de Cirugía e Implantología Oral

28 feb 2016

Comparative split-mouth study of the anesthetic efficacy of 4% articaine versus 0.5% bupivacaine in impacted mandibular third molar extraction

Pellicer-Chover H, Cervera-Ballester J, Sanchis-Bielsa JM, Peñarrocha-Diago MA, Peñarrocha-Diago M, García-Mira B. Comparative splitmouth study of the anesthetic efficacy of 4% articaine versus 0.5% bupivacaine in impacted mandibular third molar extraction. J Clin Exp Dent. 2013;5(2):e66-71.

Abstract

Objective: The purpose of this study was to compare the clinical efficacy of articaine at 4% (epinephrine 1:100,000) with bupivacaine at 0.5% (epinephrine 1:200,000) for surgical extraction of impacted mandibular third molars.
Study Design: This was a randomized, double blind, split-mouth, clinical trial. Thirty-six patients took part and underwent extraction of 72 lower third molars. The variables studied were: anesthetic latency time, intra-operative bleeding, anesthetic quality, hemodynamic changes during the surgical intervention, anesthetic duration in the soft tissues, post-operative analgesia and post-operative pain at 2, 6, 12 and 24 hours using a visual analogue scale, as well as any need for additional rescue medication.
Results: Latency time was 2.0 minutes for articaine and 3.1 minutes for bupivacaine, with statistically significant difference (p<0.05). Bleeding was greater when bupivacaine was used (p<0.05) and anesthetic quality was greater with articaine (p<0.05). The duration of soft tissue anesthesia was longer with bupivacaine (p<0.05). Differences in post-operative analgesia, haemodynamic changes, post-operative pain and the quantity of rescue medication consumed were not statistically significant (p>0.05).
Conclusions: Articaine showed greater clinical efficacy than bupivacaine, reducing latency time, bleeding, anesthetic
duration in the soft tissues and achieving higher anesthetic quality, requiring less reinforcement during surgery than bupivacaine.

Pubmed


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