Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

Analgesic (any: NSAID, paracetamol, local anaesthetic or opioid) vs placebo or control

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Analgesic (any: NSAID, paracetamol, local anaesthetic or opioid) probably leads to lower pain intensity (VAS 0-100 mm) compared with control (placebo or no treatment) (moderate certainty).

3 findings from 1 review

Ibuprofen taken pre-emptively (about 1 hour before treatment) vs Ibuprofen taken post-treatment

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

It is very uncertain whether ibuprofen taken pre-emptively (about 1 hour before treatment) changes pain intensity (VAS 0-100 mm) compared with ibuprofen taken post-treatment (very low certainty).

3 findings from 1 review

NSAID (systemic) vs paracetamol

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

NSAID (systemic) showed no clear difference in pain intensity (VAS 0-100 mm) compared with paracetamol (low certainty).

3 findings from 1 review

Topical NSAID (ketoprofen lysinate mouthwash, 160 mg) vs Topical NSAID (benzidamine hydrochloride mouthwash, 22.5 mg)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
1 finding from 1 review

Topical NSAID (ketoprofen chewing gum) vs Local anaesthetic (benzocaine chewing gum)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

It is very uncertain whether topical NSAID (ketoprofen chewing gum) changes pain intensity (VAS 0-100 mm) compared with local anaesthetic (benzocaine chewing gum) (very low certainty).

1 finding from 1 review

Intervention not reported

Social support vs less intensive interventions 9 · Pregnant women who smoke

The intervention showed no clear difference in social support vs less intensive interventions 9 (high certainty).

1 finding from 1 review

Methadone vs morphine

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · people with cancer pain

Methadone may leads to higher participant‐reported pain intensity compared with morphine (low certainty).

1 finding from 1 review

Planned early birth vs expectant management

Admission to neonatal intensive care unit · preterm prelabour rupture of membranes (PPROM)

Planned early birth probably leads to higher admission to neonatal intensive care compared with expectant management (moderate certainty).

1 finding from 1 review