Introduction: The aim of this study was to evaluate the efficacy, safety and clinical acceptability of the local anaesthetic agent ropivacaine 0.75 % in comparison with lignocaine 2 % with adrenaline 1:200,000 in minor oral surgical procedures.
Methods: Forty-seven patients, who required bilateral extractions in a single arch, were included in this study. One hundred and sixty-six extractions were performed and all the patients were administered nerve blocks/infiltration. Pre and postoperative pulse, blood pressure, random blood sugar, electrocardiogram and partial oxygen pressure were recorded at specified time intervals. Pain score by visual analogue scale, onset of action and depth of anesthesia were also observed. Duration of anaesthesia was assessed by feeling of numbness and first sign of pain.
Results: Statistical analysis revealed insignificant difference between both the groups in terms of pulse, blood pressure, random blood sugar, and partial oxygen pressure. The depth of anesthesia was evaluated by pain, comfort during the procedure with visual analog scale and showed no significant difference between the two groups. The onset of action for maxillary infiltration was 33.29 ± 9.2 (ropivacaine), 32.12 ± 6.8 s (2 % lignocaine with adrenaline 1:200,000) and for pterygomandibular nerve block was 181.0 ± 87.5 (ropivacaine), 32.12 ± 6.8 s (2 % lignocaine with adrenaline 1:200,000). Duration of anesthesia when compared was 411.7 ± 66.11 min (ropivacaine) and 107.87 ± 16.54 (2 % lignocaine with adrenaline 1:200,000). On maxillary buccal vestibule infiltration it was also observed that in ropivacaine group there was no requirement of palatal infiltration suggestive of good diffusion property.
Conclusion: Ropivacaine is a safe, clinically acceptable long acting local anaesthetic agent with added advantage of effective diffusion property.
Ethical Committee Approval Number: SDC/MISC/2013/239.
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| http://dx.doi.org/10.1007/s12663-016-0902-x | DOI Listing |
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