Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

24 questions · 30 findings · 3 reviews · Oral and maxillofacial surgery · All outcomes

No studies found 4 · 13.3%GRADE not reported 11 · 36.7%Very low 3 · 10%Low 12 · 40%Moderate 0 · 0%High 0 · 0%

Maxillary distraction osteogenesis vs Orthognathic surgery (conventional Le Fort I osteotomy)

Long-term skeletal relapse/stability (horizontal movement of A-point) · Adolescents or adults (15 years or older) with an established diagnosis of complete cleft lip and alveolar process, or complete unilateral…

It is very uncertain whether maxillary distraction osteogenesis changes long-term skeletal relapse/stability (horizontal movement of A-point) compared with orthognathic surgery (conventional Le Fort I osteotomy) (very low certainty).

1 finding from 1 review

Immediate-delayed implants (placed within 8 weeks after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Patients' perception of how long treatment took · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate-delayed implants (placed within 8 weeks after tooth… led to lower patients' perception of how long treatment took compared with delayed implants (placed at least 2 months after extraction); GRADE not reported.

1 finding from 1 review

CBT vs alternative treatment

Reduction in pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer

Cognitive behavioural therapy (CBT) showed no clear difference in pain intensity at treatment completion compared with alternative (active) treatment (e.g. oral splint, medication,… (low certainty).

2 findings from 1 review

Relaxation vs Occlusal (oral) appliance

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

Relaxation showed no clear difference in pain intensity compared with occlusal (oral) appliance; GRADE not reported.

1 finding from 1 review
  • Psychological therapies for temporomandibular disorders (TMDs) 2022 · Cochrane All outcomes
    Treatment completion · Adolescents (12-19 years)
    Not pooled. Wahlund 2015: MD 3.70 (95% CI -1.21 to 8.61), n=57 (relaxation 28, appliance 29); Wahlund 2003: MD not reported, n=83 (relaxation 41, appliance 42). Both studies were in adolescents; the occlusal appliance…
    2 studies · 140 participants
    GRADE not reported

CBT vs alternative treatment

Mental distress · People aged 12 years and over with painful TMD lasting 3 months or longer

Cognitive behavioural therapy (CBT) may leads to lower psychological distress at follow-up compared with alternative (active) treatment (e.g. oral splint, medication,… (low certainty).

2 findings from 1 review

CBT vs inactive control (usual care care, attention control, waitlist)

Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
1 finding from 1 review
  • Only 1 study reported adverse events as an outcome (Litt 2010): it found worsening symptoms in 13 people treated with an oral splint (as part of standard treatment) and 4 people treated with CBT.
    1 study · 101 participants
    Very low

Hope-based intervention vs Pain education

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

Hope-based intervention showed no clear difference in pain intensity compared with pain education; GRADE not reported.

1 finding from 1 review

Hypnosis vs relaxation

Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
1 finding from 1 review

CBT vs alternative treatment

Additional physical symptoms · People aged 12 years and over with painful TMD lasting 3 months or longer

The review found no eligible studies for this question.

1 finding from 1 review

Mindfulness plus medication vs Medication alone

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

CBT vs alternative treatment

Disability caused by pain at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer

Cognitive behavioural therapy (CBT) showed no clear difference in disability caused by pain at treatment completion compared with alternative (active) treatment (e.g. oral splint, medication,… (low certainty).

2 findings from 1 review

CBT vs inactive control (usual care care, attention control, waitlist)

Reduction in pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer

Cognitive behavioural therapy (CBT) may leads to lower pain intensity at follow-up (12 months) compared with usual care, waiting list or no treatment (control) (low certainty).

2 findings 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

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

CBT plus hypnosis (combined package) 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

CBT plus hypnosis (combined package) led to lower pain intensity compared with usual care; GRADE not reported.

1 finding from 1 review

CBT vs inactive control (usual care care, attention control, waitlist)

Disability caused by pain at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer

Cognitive behavioural therapy (CBT) showed no clear difference in pain disability at treatment completion compared with usual care, waiting list or no treatment (control) (low certainty).

2 findings from 1 review