Comparison of Pre-emptive Analgesic Effect of Paracetamol, Ibuprofen, and Placebo in Reducing Post-operative Pain in Intra-alveolar Tooth Extraction at The University of Benin Teaching Hospital, Benin City. A Randomised Trial.: Pre-emptive analgesic effect of paracetamol and ibuprofen in tooth extraction. . NIGER DENT J [Internet]. 2024 Mar. 1 [cited 2024 Oct. 22];32(1). Available from: https://nigeriandentaljournal.ng/index.php/ndj/article/view/277