Comparing efficacy of diclofenac tablets and diclofenac patch after surgical removal of lower last tooth on opposite sides.

INTERVENTION: Intervention1: Diclofenac transdermal patch: Intervention group: diclofenac transdermal patch 100mg applied topically over upper arm once daily for 3 consecutive postoperative days following surgical removal of impacted mandibular 3rd molar on one side. Control Intervention1: Oral diclofenac sodium: comparater: tab diclofenac sodium 100mg(Voveran 50) orally, once daily in two divided doses for 3 postoperative consecutive days following surgical removal of impacted mandibular 3rd molar in contralateral side. Control Intervention2: Tab paracetamol 500mg: Rescue medication: Tab paracetamol 500mg orally will be given along with Tab diclofenac sodium and Transdermal diclofenac patch as rescue medication. It has to be used if only needed(sustained pain) for the prescribed time period(3 consecutive postoperative days). CONDITION: Health Condition 1: K011‐ Impacted teeth PRIMARY OUTCOME: Pain reliefTimepoint: 2hours, 6hours and 12hours interval on 3 consecutive post operative days. SECONDARY OUTCOME: (Same as primary outcome).To compare pain relief following surgical removal of mandibular third molar with oral & transdermal diclofenac And also to compare the same with or without rescue medication using pain relief scale & numeric rating scale.Timepoint: (Same as for primary outcome)at an interval of 2hr, 6hr & 12hr for first 3 consecutive postoperative days. INCLUSION CRITERIA: Patients presenting to Government dental College, Kottayam with bilateral impacted lower third molars.