IbuprofenAnalgesics, OpioidAnti-Inflammatory Agents, Non-SteroidalAnalgesics, Non-NarcoticAcetaminophenPain, PostoperativeNaproxenCodeinePain MeasurementDiclofenacDouble-Blind MethodCyclooxygenase InhibitorsTherapeutic EquivalencyStereoisomerismAnalgesicsHydromorphoneAntipyreticsMolar, ThirdPainAcute PainDuctus Arteriosus, PatentTooth ExtractionChemistry, PharmaceuticalDipyroneKetorolacDose-Response Relationship, DrugAnalgesia, Patient-ControlledAdministration, OralMorphineKetoprofenCross-Over StudiesNaloxoneNalbuphine