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What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 2 reviews · All outcomes

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No studies found 0 · 0%GRADE not reported 1 · 50%Very low 1 · 50%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Physical barriers (tongue protector) vs placebo

QoL · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether physical barriers (tongue protector) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review

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

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

Occlusal splint led to lower participant satisfaction or quality of life compared with physical therapy (ultrasound, exercise, sensorimotor training,…; GRADE not reported.

1 finding from 1 review