Hyaluronidase Enzymes and Local Anesthesia

Plain-language summary

* For both groups, local anaesthesia will be administered by one single surgeon and the extraction will be performed by another single surgeon across all subjects. The surgeon performing the extraction will be blinded with regard to the local anaesthesia technique used in this study * A buccal infiltration injection of 1.5 ml of 4% articaine with 1:100,000 adrenaline (Septocaine, Septodont, New Castle, Del.) plus 1.5 ml of hyaluronidase enzyme (7.5IU/1ml) will be used in the study group while use 4% articaine with 1:100,000 adrenaline (Septocaine, Septodont, New Castle, Del.)only in traditional inferior alveolar nerve block in the control group * In study and control groups, VAS (visual analogue scale=is an unmarked, continuous, horizontal,100-mm line, anchored by the end points of "no pain" on the left and "worst pain" on the right ) will be used to evaluate the pain levels of the patients associated with the injection and during extraction

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