Comparison of the therapeutic effects between articaine infiltration anesthesia and lidocaine nerve block an-esthesia in pulpotomy of deciduous mandibular second molar
Objective:To compare the efficacy of articaine infiltration anesthesia and lidocaine nerve block anesthesia in pulpotomy of deciduous mandibular second molars.Methods:Single blind crossover test was used for the pediatric patients who required bilateral de-ciduous mandibular second molar pulpotomy were given articaine infiltration anesthesia and lidocaine nerve block anesthesia respectively before the 2 times of operation.After the injection of anesthetic drugs and dental pulp treatment,the patients'responses to pain were e-valuated through sound,eye and body movements,and Wong-Baker facial pain rating scales.Quantitative comparisons were made.Student's t-test and chi-square test were performed for the collected data.Results:50 pediatric patients who met the inclusion criteria and successfully completed 2 treatments without any missed visits or adverse events.During the process of articaine infiltration anesthe-sia,the scores of the 3 indicators of pain severity,namely sound,eye and body movements,were lower than those of lidocaine nerve block anesthesia(P＜0.05).The analysis of facial pain rating scales also suggested that patients'pain and discomfort during the infiltra-tion anesthesia process with articaine were milder(P＜0.05).During the treatment of pulpotomy,both pain assessment methods showed no statistically significant difference in pain perception between the 2 anesthesia injections(P＞0.05).Conclusion:Articaine infiltra-tion anesthesia may effectively replace lidocaine nerve block anesthesia in pulp treatment of mandibular primary molars.
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