Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,970 questions · 2,433 findings · 231 reviews

No studies found 303 · 12.5%GRADE not reported 759 · 31.2%Very low 357 · 14.7%Low 476 · 19.6%Moderate 418 · 17.2%High 120 · 4.9%

GERD/NERD vs Healthy individuals without reflux (controls)

Oral mucosa inflammation (gingivitis, periodontitis, mucosal lesions) · Adults with gastroesophageal reflux disease (GERD) or laryngopharyngeal reflux (LPR)

The association between reflux and oral mucosa inflammation (gingivitis/periodontitis) is inconsistent across five studies and remains ungraded.

1 finding from 1 review

Placebo rinse vs Pre-treatment (baseline, same group)

Lactobacillus count (pre- vs post-treatment) · Medically healthy individuals (adults and children, 6-60 years)

Placebo rinse did not significantly change Lactobacillus counts relative to baseline; not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Pre-treatment (baseline, same group)

Lactobacillus count (pre- vs post-treatment) · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Lactobacillus counts relative to baseline; not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Chlorhexidine mouthrinse

Plaque · Medically healthy individuals (adults and children, 6-60 years)

When usual mechanical plaque control continued, Salvadora persica and chlorhexidine did not differ significantly for plaque; not GRADE-rated.

8 findings from 1 review
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Salvadora persica (miswak) mouthrinse vs Chlorhexidine 0.2% mouthrinse

Plaque · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica was less effective than 0.2% chlorhexidine at reducing plaque (favours chlorhexidine); not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Placebo rinse

Lactobacillus count (CFU/mL) · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Lactobacillus counts more than placebo (favours Salvadora persica); not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Pre-treatment (baseline, same group)

Streptococcus mutans count · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Streptococcus mutans counts relative to baseline; not GRADE-rated.

1 finding from 1 review