Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

162 questions · 165 findings · 16 reviews

No studies found 57 · 34.5%GRADE not reported 61 · 37%Very low 34 · 20.6%Low 13 · 7.9%Moderate 0 · 0%High 0 · 0%

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

Frequency of joint noise · People with temporomandibular disorders (TMD)

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

1 finding from 1 review

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

Range of mandibular motion · People with temporomandibular disorders (TMD)

Occlusal splint showed no clear difference in range of mandibular motion compared with another occlusal splint with a different mechanism of action; GRADE not reported.

1 finding from 1 review

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

Range of mandibular motion · People with temporomandibular disorders (TMD)

Occlusal splint showed no clear difference in range of mandibular motion compared with no treatment or placebo (non-occlusal or transparent-foil placebo…; GRADE not reported.

1 finding from 1 review

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

Recurrence · 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. Recurrence rate was not reported in any included study across the whole review.
    0 studies
    No studies found

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)

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

1 finding from 1 review

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

Participant satisfaction or quality of life · People with temporomandibular disorders (TMD)

Occlusal splint led to lower participant satisfaction or quality of life compared with another occlusal splint with a different mechanism of action; GRADE not reported.

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

Occlusal splint vs Mandibular advancement device

Pain during the night (adverse effect) · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…
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 Transcutaneous electric nerve stimulation (TENS)

Pain in temporomandibular joint (TMJ) · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…
1 finding from 1 review

Occlusal splint vs Behaviour therapy (sleep hygiene, relaxation, psychotherapy, hypnosis, biofeedback)

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 Mandibular advancement device

Comfort · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…
1 finding from 1 review
  • Occlusal splint versus mandibular advancement device, comfort (median VAS 0 to 100 mm) (Landry 2006): occlusal splint 79 mm, MAD free 41 mm, MAD min 15 mm, MAD max 12 mm; the occlusal splint was rated most comfortable.
    1 study
    GRADE not reported

Occlusal splint vs Transcutaneous electric nerve stimulation (TENS)

Clicks in TMJ on oral opening and closing · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…

Occlusal splint showed no clear difference in clicks in TMJ on oral opening and closing compared with transcutaneous electric nerve stimulation (TENS); GRADE not reported.

2 findings from 1 review

Occlusal splint vs no treatment

Increase in the size of wear facets (canine teeth) · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…

Occlusal splint showed no clear difference in increase in the size of wear facets (canine teeth) compared with no treatment; GRADE not reported.

2 findings from 1 review

Occlusal splint vs Placebo

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 Mandibular advancement device

Number of bruxism episodes per hour of sleep (Epi/h) · People with sleep bruxism (tooth grinding or clenching); children (greater than 1 year old) and adults; diagnosis clinical,…

Occlusal splint showed no clear difference in sleep bruxism episodes per hour of sleep compared with mandibular advancement device; GRADE not reported.

1 finding from 1 review