Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

60 questions · 64 findings · 5 reviews · Temporomandibular disorders and sleep

No studies found 12 · 18.8%GRADE not reported 40 · 62.5%Very low 12 · 18.8%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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

Orthodontic treatment with appliances inducing stable, permanent orthodontic tooth movement (splints worn 8 to 12 weeks and surgical interventions excluded) vs Control: no treatment, placebo, or reassurance

Overall symptoms, pain and headache (relief from symptoms assessed by global measures) · Adults aged 18 years or older with clinically diagnosed TMD (exhibiting two or more of the listed signs and/or symptoms)

The review found no eligible studies for this question.

1 finding from 1 review

Oral cyclobenzaprine (muscle relaxant) vs placebo

Jaw pain (VAS) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral cyclobenzaprine (muscle relaxant) showed no clear difference in jaw pain (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Oral clonazepam (benzodiazepine) vs placebo

Jaw pain (VAS) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral clonazepam (benzodiazepine) showed no clear difference in jaw pain (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint)

Joint pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes joint pain at rest compared with no treatment or placebo (non-occlusal or transparent-foil placebo… (very low certainty).

1 finding from 1 review

Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management)

Joint pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes joint pain at rest compared with behavioural therapy (counselling, CBT, relaxation, self-care… (very low certainty).

1 finding from 1 review

Occlusal splint vs Another occlusal splint with a different mechanism of action

Joint pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes joint pain at rest compared with another occlusal splint with a different mechanism of action (very low certainty).

1 finding from 1 review

Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy)

Joint pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes joint pain at rest compared with physical therapy (ultrasound, exercise, sensorimotor training,… (very low certainty).

1 finding from 1 review

Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy)

Muscle pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes muscle pain at rest compared with physical therapy (ultrasound, exercise, sensorimotor training,… (very low certainty).

1 finding from 1 review

Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint)

Muscle pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes muscle pain at rest compared with no treatment or placebo (non-occlusal or transparent-foil placebo… (very low certainty).

1 finding from 1 review

Oral propranolol vs placebo

Change in pain index · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral propranolol (beta-blocker) showed no clear difference in change in pain index compared with placebo; GRADE not reported.

1 finding from 1 review

Oral celecoxib (COX-2 inhibitor) vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral celecoxib (COX-2 inhibitor) showed no clear difference in pain intensity (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Naproxen vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral naproxen (NSAID) led to lower pain intensity (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Oral glucosamine hydrochloride/chondroitin sulphate vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral glucosamine hydrochloride/chondroitin sulphate showed no clear difference in pain intensity (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review