Nørholt 1998.

Methods	RCT, DB, single oral dose, 2 parallel groups Medication administered when baseline pain was of moderate to severe intensity Pain assessed at baseline, then hourly up to 4 hours.
Participants	Third molar extraction N = 57 M = 21, F = 36 Mean age 24 years
Interventions	Ibuprofen 400 mg, n = 26 Placebo, n = 31
Outcomes	PI: non‐std 5 point scale PR: 5 point scale ‐ reverse wording Numbers of participants using rescue medication Withdrawals
Notes	Oxford Quality Score: R1, DB2, W1 Rescue medication (paracetamol) permitted.