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Evidence found and GRADE certainty

3,032 questions · 3,358 findings · 190 reviews · related questions CL0289

No studies found 599 · 17.8%GRADE not reported 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All CVD-related death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all CVD-related death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Zinc oxide and eugenol (ZOE) vs Alvogyl (old formulation)

Success rate (radiographically‐assessed healing of cyst healing based on the Neer/Cole rating system) · Adults (>18 years) with established dry socket following permanent tooth extraction
1 finding from 1 review

Platelet-rich fibrin after bone surgery vs Bone surgery alone

Healing of MRONJ (mucosal integrity, absence of infection, and no re-intervention) · People with established (manifest) MRONJ

It is very uncertain whether platelet-rich fibrin after bone surgery changes healing of MRONJ (mucosal integrity, absence of infection, and no… compared with bone surgery alone (very low certainty).

1 finding from 1 review

Single-visit root canal treatment vs Multiple-visit root canal treatment (two or more visits)

Pain at two weeks (postobturation) · People aged 10 years or above requiring root canal treatment; permanent teeth with completely formed apex and without internal resorption

Single-visit root canal treatment showed no clear difference in pain at two weeks (postobturation) compared with multiple-visit root canal treatment (two or more visits); GRADE not reported.

1 finding from 1 review

Criteria-based screening with specific (personalised) referral letter vs Criteria-based screening with non-specific referral letter

Dental attendance at orthodontist · School children, secondary school in the UK (aged 11 to 13 years)

It is very uncertain whether criteria-based screening with specific (personalised) referral letter changes dental attendance at orthodontist compared with criteria-based screening with non-specific referral letter (very low certainty).

1 finding from 1 review

Recombinant bovine fibroblast growth factor gel vs control

Presence of dry socket · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)

Recombinant bovine fibroblast growth factor gel led to lower presence of dry socket compared with control; GRADE not reported.

1 finding from 1 review

Hypnosis vs relaxation

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People aged 12 years and over with painful TMD lasting 3 months or longer

Hypnosis showed no clear difference in pain intensity compared with relaxation; GRADE not reported.

1 finding from 1 review
  • Psychological therapies for temporomandibular disorders (TMDs) 2022 · Cochrane All outcomes
    Treatment completion
    Not pooled (clinical heterogeneity). Abrahamsen 2011: MD -1.00 (95% CI -2.27 to 0.27), n=38 (hypnosis 19, relaxation 19); Stam 1984: MD not reported, n=27 (hypnosis 12, relaxation 15).
    2 studies · 65 participants
    GRADE not reported

Habit reversal vs waiting list control

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People aged 12 years and over with painful TMD lasting 3 months or longer

Habit reversal treatment led to lower pain intensity compared with waiting-list control; GRADE not reported.

1 finding from 1 review

Alvogyl vs no treatment

Pain (VAS) · Adults (>18 years) with established dry socket following permanent tooth extraction
1 finding from 1 review

Baby-led weaning (BLW) vs Other models of complementary feeding

Overweight/obesity risk · Healthy children aged 6–24 months in Western industrialized countries

BLW was associated with lower overweight/obesity risk in observational studies, but the certainty was very low.

1 finding from 1 review

Education vs usual care

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People aged 12 years and over with painful TMD lasting 3 months or longer
1 finding from 1 review

Delicate surgery and wound closure by primary intention vs Non-traumatic tooth avulsion and wound closure by secondary intention

MRONJ (incidence proportion) · People treated with oral bisphosphonates undergoing dental extractions (at risk of MRONJ)
1 finding from 1 review