“…A large number of randomized clinical trials compared the analgesic efficacy of ketorolac and tramadol after thirdmolar surgery (Chethan, Ramamuthy, Patil, & Reddy, 2015;Dayashankara Rao et al, 2010;Gopalraju, Lalitha, Prasad, & Ranganath, 2014;Isiordia-Espinoza et al, 2016;Mishra & Khan, 2012;Ong & Tan, 2004;Shah, Arun Kumar, Rai, & Rajesh Kumar, 2013;. There are studies that reported the superiority of ketorolac in controlling postoperative pain (Gopalraju et al, 2014;Isiordia-Espinoza et al, 2016;Ong & Tan, 2004;Shah et al, 2013), while others showed that tramadol performed better (Chethan et al, 2015;Dayashankara Rao et al, 2010;; another study described no differences between them (Mishra & Khan, 2012).…”