Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

801 questions · 875 findings · 91 reviews

No studies found 182 · 20.8%GRADE not reported 220 · 25.1%Very low 229 · 26.2%Low 128 · 14.6%Moderate 76 · 8.7%High 40 · 4.6%

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

Acupressure at P6 point with thumb 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 thumb plus sedation changes reduction in gagging (patient-reported) compared with sham (dummy) acupressure with sedation (very low certainty).

1 finding from 1 review

Acupuncture at P6 point vs sham

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 acupuncture at P6 point changes reduction in gagging (patient-reported – ordinal converted to… compared with sham acupuncture (very low certainty).

2 findings from 1 review

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

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 device plus sedation changes completion of dental procedure compared with sham (dummy) acupressure with sedation (very low certainty).

1 finding from 1 review

Acupuncture at P6 point vs sham

Adverse effects · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults
1 finding from 1 review
  • Adverse effects: 33 participants (1 RCT, Zotelli 2014); very low certainty. The trial authors were unsure whether the reported adverse events (one control participant reported increased sweating) were due to…
    1 study · 33 participants
    Very low

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

Presence or absence of gagging · 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

Laser (low-level laser) at P6 point vs sham control

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

It is very uncertain whether laser (low-level laser) at P6 point changes reduction in gagging (assessor-reported) compared with control (sham/dummy laser) (very low certainty).

1 finding from 1 review