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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

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271 questions in 11 reviews · Temporomandibular disorders and sleep

current versions
No studies 70 · 25.8%Ungraded 160 · 59%Very low 29 · 10.7%Low 12 · 4.4%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy)
Discomfort · People with temporomandibular disorders (TMD)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
Listed in Summary of findings 3 as 'Not reported'; this outcome was not reported by any included study for this comparison.0 studiesNo studies
Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint)
Self-reported joint pain when chewing · People with temporomandibular disorders (TMD) · Short term (10 weeks), Mixed TMD
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
RR 1.88 [0.94, 3.75]1 study · 60 participantsVery low
Occlusal splint vs Another occlusal splint with a different mechanism of action
Participant satisfaction or quality of life · People with temporomandibular disorders (TMD) · Short term (3 months), Mixed TMD
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
MD -2.29 [-3.13, -1.45]1 study · 40 participantsUngraded
Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy)
Somatisation · People with temporomandibular disorders (TMD) · Short term, Disc displacement with reduction (DDwR)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
MD -0.18 [-0.45, 0.09]1 study · 60 participantsUngraded
Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management)
Discomfort · People with temporomandibular disorders (TMD)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
Listed in Summary of findings 4 as 'Not reported'; this outcome was not reported by any included study for this comparison.0 studiesNo studies
Occlusal splint vs Another occlusal splint with a different mechanism of action
Discomfort · People with temporomandibular disorders (TMD)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison.0 studiesNo studies
Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management)
Participant satisfaction or quality of life · People with temporomandibular disorders (TMD) · Short term (1 month), Mixed TMD
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
MD -1.42 [-15.78, 12.94]2 studies · 73 participantsUngraded
Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint)
Muscle pain at rest · People with temporomandibular disorders (TMD) · Short term (mean 2 months), Myofascial pain TMD
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
MD -11.63 [-29.37, 6.11]1 study · 37 participantsVery low
Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy)
Range of mandibular motion · People with temporomandibular disorders (TMD) · Short term (3 months), Disc displacement with reduction (DDwR)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
MD -0.33 [-3.31, 2.65]1 study · 40 participantsUngraded
Occlusal splint vs Another occlusal splint with a different mechanism of action
Muscle pain at rest · People with temporomandibular disorders (TMD)
Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane
Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison.0 studiesNo studies
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Quality of life · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
This outcome was not measured (not synthesised for this comparison; review-wide only one study reported quality of life).NRNo studies
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Pain intensity at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD 0.03 [-0.21, 0.28]5 studies · 509 participantsLow
Relaxation vs Occlusal (oral) appliance
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion, Adolescents (12-19 years)
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
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 participantsUngraded
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Psychological distress at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.32 [-0.51, -0.13]6 studies · 516 participantsLow
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
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 participantsVery low
Hope-based intervention vs Pain education
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
MD 0.10 [-13.52, 13.72]1 study · 29 participantsUngraded
Hypnosis vs Relaxation
Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
Abrahamsen 2011: one participant who received hypnosis was admitted to a psychiatric hospital during the intervention; per study authors this was unrelated to the study treatment.1 studyUngraded
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Additional physical symptoms · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
This outcome was not measured (not synthesised for this comparison; review-wide only one study reported additional physical symptoms).NRNo studies
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Quality of life · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
This outcome was not measured for this comparison.NRNo studies
Mindfulness plus medication vs Medication alone
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
Shevtsova 2020: data could not be combined; both groups achieved at least a 30% reduction in pain from baseline at treatment completion and follow-up (Table 1). No between-group MD reported.1 studyUngraded
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Disability caused by pain at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.15 [-0.40, 0.10]3 studies · 245 participantsLow
Relaxation vs Occlusal (oral) appliance
Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer · Adolescents (12-19 years)
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
Wahlund 2015: reported no adverse treatment effects from treatment with an occlusal appliance or with relaxation therapy.1 studyUngraded
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Pain intensity at follow-up (12 months) · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up (12 months)
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.30 [-0.51, -0.09]6 studies · 639 participantsLow
Hypnosis vs Relaxation
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
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 participantsUngraded
Habit reversal treatment vs Waiting-list control
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
MD -1.31 [-1.97, -0.65]1 study · 20 participantsUngraded
Education vs Usual care
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
Lupton 1968: multi-arm study; education arm versus usual care. No usable pain-reduction data reported and could not be combined in meta-analysis (Table 1).1 studyUngraded
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Disability caused by pain at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.15 [-0.42, 0.12]3 studies · 245 participantsLow
CBT plus hypnosis (combined package) vs Usual care
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
MD -2.32 [-3.52, -1.12]1 study · 59 participantsUngraded
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Pain disability at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD 0.02 [-0.21, 0.24]3 studies · 315 participantsLow
Counselling (non-directive) vs Usual care
Pain intensity · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
Lupton 1968: multi-arm study; counselling arm versus usual care. No usable pain-reduction data reported and could not be combined in meta-analysis (Table 1).1 studyUngraded
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Psychological distress at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
MD -1.02 [-4.02, 1.98]1 study · 101 participantsLow
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Pain intensity at follow-up (6-12 months) · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up (6-12 months)
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.29 [-0.50, -0.08]5 studies · 475 participantsLow
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Psychological distress at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
MD 2.36 [-1.17, 5.89]1 study · 101 participantsLow
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SoF: 3 studies reported minor adverse events in the control group; 1 study reported minor adverse events in psychological therapy group; 1 study reported that there were no adverse events. Results: NCT00066937 minor…5 studiesVery low
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Pain intensity at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.09 [-0.30, 0.12]6 studies · 577 participantsLow
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Pain disability at follow-up · People aged 12 years and over with painful TMD lasting 3 months or longer · Follow-up
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD 0.01 [-0.61, 0.64]2 studies · 240 participantsLow
Cognitive behavioural therapy (CBT) vs Usual care, waiting list or no treatment (control)
Additional physical symptoms · People aged 12 years and over with painful TMD lasting 3 months or longer
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
This outcome was not measured for this comparison.NRNo studies
Cognitive behavioural therapy (CBT) vs Alternative (active) treatment (e.g. oral splint, medication, self-care or disease management)
Psychological distress at treatment completion · People aged 12 years and over with painful TMD lasting 3 months or longer · Treatment completion
Psychological therapies for temporomandibular disorders (TMDs) (2022) · Cochrane
SMD -0.32 [-0.50, -0.15]6 studies · 553 participantsLow
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Reduction of apnoea to less than one episode per hour (polysomnography) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
It proved impossible to know how many patients had apnoea index < 1 (primary outcome).1 studyUngraded
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Daytime symptom: thirstiness in the morning (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.16 [0.02, 1.22]1 study · 23 participantsUngraded
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Signs and symptoms of atypical swallowing and speech production disturbance · Children with obstructive sleep apnoea (aged 15 years or younger)
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
The included study did not assess this outcome.0 studiesNo studies
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Reduction of apnoea episodes (apnoea-hypopnoea index) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.39 [0.20, 0.76]1 study · 23 participantsVery low
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Nocturnal symptom: nightmares (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.22 [0.01, 4.93]1 study · 23 participantsUngraded
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Alteration of growth pattern (cephalometric data or facial analysis) · Children with obstructive sleep apnoea (aged 15 years or younger)
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
The included study did not assess this outcome.0 studiesNo studies
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Daytime symptom: tiredness (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.26 [0.06, 1.05]1 study · 23 participantsVery low
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Nocturnal symptom: habitual snoring (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.18 [0.06, 0.55]1 study · 23 participantsVery low
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Side effects and tolerability (patient self report) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
Tolerability: 73.7% fitted with oral appliance (14/19 children) tolerated the treatment well and 26.3% (five children) discontinued therapy. Side effects: the included study did not assess this outcome.1 study · 19 participantsUngraded
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Daytime symptom: sleepiness (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.64 [0.11, 3.78]1 study · 23 participantsVery low
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Change of the arch perimeter (plaster models) · Children with obstructive sleep apnoea (aged 15 years or younger)
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
The included study did not assess this outcome.0 studiesNo studies
Oral appliance or functional orthopaedic appliance vs Placebo or no treatment
Daytime symptom: irritability (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger) · 6 months
Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children (2016) · Cochrane
RR 0.32 [0.07, 1.41]1 study · 23 participantsVery low