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Bupivacaine 0.5 % versus articaine 4 % for the removal of lower third molars. A crossover randomized controlled trial.

Author(s): Sancho-Puchades M, Vilchez-Perez MA, Valmaseda-Castellon E, Paredes-Garcia J, Berini-Aytes L, Gay-Escoda C

Affiliation(s): Feixa Llarga s/n, Campus de Bellvitge, Pavello Central, 2a planta, 08097, L';Hospitalet de Llobregat, Barcelona, Spain, eduardvalmaseda@ub.edu.

Publication date & source: 2011-12-06, Med Oral Patol Oral Cir Bucal., [Epub ahead of print]

Objective: To compare the anesthetic action of 0.5% bupivacaine in relation to 4% articaine, both with 1:200,000 epinephrine, in the surgical removal of lower third molars. As a secondary objective hemodynamic changes using both anesthetics were analyzed. Study Design: Triple-blind crossover randomized clinical trial. Eighteen patients underwent bilateral removal of impacted lower third molars using 0.5% bupivacaine or 4% articaine in two different appointments. Preoperative, intraoperative and postoperative variables were recorded. Differences were assessed with McNemar tests and repeated measures ANOVA tests. Results: Both solutions exhibited similar latency times and intraoperative efficacy. Statistical significant lower pain levels were observed with bupivacaine between the fifth (p=0.011) and the ninth (p=0.007) postoperative hours. Bupivacaine provided significantly longer lasting soft tissue anesthesia (p<0.5). Systolic blood pressure and heart rate values were significantly higher with articaine. Conclusions: Bupivacaine could be a valid alternative to articaine especially due to its early postoperative pain prevention ability.

Page last updated: 2011-12-09

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