4% articaine buccal infiltration versus 2% lidocaine inferior alveolar nerve block for emergency root canal treatment in mandibular molars with irreversible pulpits: a randomized clinical study

阿替卡因 医学 下牙槽神经 利多卡因 精确检验 麻醉 口腔给药 臼齿 随机对照试验 牙科 根管 外科
作者
Maria Rachel Figueiredo Penalva Monteiro,Francisco Carlos Groppo,Francisco Haiter‐Neto,Maria Cristina Volpato,José Flávio Affonso de Almeida
出处
期刊:International Endodontic Journal [Wiley]
卷期号:48 (2): 145-152 被引量:64
标识
DOI:10.1111/iej.12293
摘要

Abstract Aim To compare the anaesthetic efficacy of inferior alveolar nerve blocks (IANB) with 1.8 mL of 2% lidocaine (LI) to a buccal infiltration (BI) with 1.8 mL of 4% articaine (AR), both with 1 : 100 000 epinephrine, in patients with symptomatic irreversible pulpits in a randomized controlled trial. Methodology Volunteers presenting at the Emergency Centre ( FOP ‐ UNICAMP ) were randomly divided into two groups (30 for AR and 20 for LI ). Operator and patient were not blinded. Success was recorded when complete pain‐free treatment was achieved after a single injection ( IANB or BI ) or when one supplemental injection was needed for emergency endodontic procedures. Success rate of supplemental injection was evaluated between and within groups using Fisher's exact test and chi‐square test. Results A higher success rate ( P = 0.03/Fisher's exact test) was observed with AR (40%) than with LI (10%). No significant difference was found when a single injection plus one supplemental injection was compared between groups ( P = 1.0; AR = 70%; LI = 80%). However, supplemental injection increased the anaesthetic success rates ( AR , P = 0.04; LI , P = 0.0001) within groups. Conclusions Single anaesthesia techniques ( IANB or BI ) were not able to achieve pain‐free emergency endodontic treatment. Supplemental anaesthetic techniques should be considered prior to treatment procedures in order to increase success rate (consort: registration number – NCT 01912755/Fapesp: #2009/10834‐4).
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