Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

130 questions · 134 findings · 5 reviews · Temporomandibular disorders and sleep

No studies found 42 · 31.3%GRADE not reported 75 · 56%Very low 17 · 12.7%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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

Patient discomfort · People with temporomandibular disorders (TMD)

The review found no eligible studies for this question.

1 finding from 1 review
  • Listed in Summary of findings 1 as 'Not reported'; this outcome was not reported by any included study for this comparison. Discomfort was not reported in any included study across the whole review.
    0 studies
    No studies found

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

Patient quality of life · 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

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

Adverse effects on oral health · 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

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

Limitation of movement · 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

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

Development of TMD (onset/incidence of signs and symptoms) · People without TMD at baseline undergoing orthodontic treatment (TMD clinically absent at baseline); no age restriction provided follow-up…

The review found no eligible studies for this question.

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

Occlusal splint vs Pharmacological interventions (benzodiazepines, anticonvulsants, beta blockers, dopamine agents, antidepressants, botulinum toxin A and B, analgesics)

Outcome not reported · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…

The review found no eligible studies for this question.

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

Self-reported joint pain when chewing · People with temporomandibular disorders (TMD)

The review found no eligible studies for this question.

1 finding from 1 review