Citation Information :
Pampani P, Shenoy B S, Thomas B, Mathew BA, Rao RM, R S. Comparison of Analgesic Efficacy of Topical Anaesthetics (Gel, Spray) With Infiltration Anaesthesia During Subgingival Periodontal Procedures. 2015; 5 (1):3-10.
BACKGROUND: To compare the analgesic efficacy of Lignocaine spray 15% and Benzocaine20% gel with infiltration anaesthesia and to know which of the topical anaesthetic agent is as nearly efficient as 2% Lignocaine infiltration anaesthesia during sub-gingival periodontal procedures.
MATERIAL AND METHODS: Randomised spilt – mouth design trial for 20 patients was conducted. Patients were selected based on inclusion and exclusion criteria. Three quadrants in each patient were selected randomly for application of topical local anaesthetic agents like 2% lignocaine spray and 20%benzocaine gel and control group(lignocaine local infiltration technique). Sub-gingival periodontal procedures were performed for these patients. Overall pain was assessed by the patient using numerical pain rating scale(NRS).
RESULTS: Comparing the three groups, significant difference was observed between gel vs spray, gel vs control(infiltration), spray vs control (infiltration) (p value< 0.05). There is significant difference in the three groups as evidenced by kruskalwallis test. The highest median is in the spray followed by gel and the control group. There is significant difference seen in all the subgroups as assessed by dunns test.
CONCLUSION: Our study concludes that 20% benzocaine gel can be used as an alternative to conventional 2% lignocaine infiltration anaesthesia when compared to 15% lignocaine spray.
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