Abstract
PurposeThis study aimed at assessing the change in salivary opiorphin levels before and after administration of local anesthesia, with the use of three different local anesthetic agents, and different anaesthetic techniques. MethodsThe investigators implemented a randomized controlled clinical study in 144 patients who required tooth extraction after administration of local anaesthesia. A total of 288 samples were collected in sterile containers before and after administration of local anesthetics. The salivary samples were centrifuged and salivary opiorphin levels were estimated using ELISA testing and spectrophotometric analysis. Statistical analysis was done using one way ANOVA and unpaired t test. ResultsThere was a mean decrease in salivary opiorphin levels after administration of local anesthesia. There was no significant difference in the change in salivary opiorphin levels across different anesthetic techniques and different drug subgroups. ConclusionThe present study did not show much association between various local anesthetic agents and techniques and change in salivary opiorphin levels. The role of opiorphin as a biomarker for pain control and its effect on various pain control methods including local anesthesia must be evaluated in detail. Institutional review board number SRMDC/IRB/2014/MDS/No. 405.
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