Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

291 questions · 362 findings · 29 reviews · Oral Health

No studies found 86 · 23.8%GRADE not reported 207 · 57.2%Very low 48 · 13.3%Low 7 · 1.9%Moderate 7 · 1.9%High 7 · 1.9%

38% SDF plus oral health education vs oral health instruction plus tonic water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF had a 62% preventative fraction; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF plus potassium iodide and oral health instruction vs oral health instruction plus tonic water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF plus potassium iodide had a 52% preventative fraction; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF plus oral health education vs oral health instruction plus water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF plus oral health education had a 33% preventative fraction at 24 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF varnish plus oral health instruction vs oral health instruction plus water

new root-surface carious lesions or restorations · Older adults with root caries in permanent (mature) teeth (mean age 75 years)

SDF had a 71% preventative fraction at 36 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

Sodium fluoride (NaF) varnish, applied every 3 months, plus OHI vs inactive control

Root carious lesions prevention · Older adults with root caries (community-dwelling or residential elders)

In elders, sodium fluoride varnish gave a 64% prevented fraction for root caries vs water, lower than SDF (71%) (p<0.01; ungraded).

1 finding from 1 review

OHI + 38% SDF (applied every 12 months) vs oral health instruction plus water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF had a 28% preventative fraction at 24 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

Acupuncture at P6 point vs sham

Reduction in gagging (assessor-reported – treatment effectiveness) · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

Acupuncture at P6 point showed no clear difference in reduction in gagging (assessor-reported – treatment effectiveness) compared with sham acupuncture; GRADE not reported.

1 finding from 1 review

Acupressure at P6 point with thumb vs sham

Completion of dental treatment · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

It is very uncertain whether acupressure at P6 point with thumb changes completion of dental procedure compared with sham (dummy) acupressure (very low certainty).

1 finding from 1 review

Acupuncture at P6 point vs sham

Successful completion of dental procedure · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

It is very uncertain whether acupuncture at P6 point changes successful completion of dental procedure compared with sham acupuncture (very low certainty).

1 finding from 1 review

Acupressure at P6 point with sea band plus sedation vs Sham (dummy) acupressure with sedation

Adverse effects · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

The review found no eligible studies for this question.

1 finding from 1 review

Acupressure at P6 point with sea band vs sham

Adverse effects · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

The review found no eligible studies for this question.

1 finding from 1 review

Acupressure at P6 point with device plus sedation vs Sham (dummy) acupressure with sedation

Reduction in gagging (patient-reported) · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

It is very uncertain whether acupressure at P6 point with device plus sedation changes reduction in gagging (patient-reported) compared with sham (dummy) acupressure with sedation (very low certainty).

1 finding from 1 review