Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

83 questions · 97 findings · 17 reviews

No studies found 15 · 15.5%GRADE not reported 52 · 53.6%Very low 22 · 22.7%Low 4 · 4.1%Moderate 4 · 4.1%High 0 · 0%

1% STPP chewing gum vs placebo

Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)

It is very uncertain whether 1% STPP chewing gum changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

Xylitol chewing gum vs No treatment or non-cariogenic control

Outcome not reported · Children and adults

The review found no eligible studies for this question.

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs Topical fluoride (fluoride rinse, varnish or toothpaste)

Fluorosis (adverse effect; % of children with fluorotic teeth) · Children and adolescents aged 16 years or less

The review found no eligible studies for this question.

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs Topical fluoride (fluoride rinse, varnish or toothpaste)

Caries increment in permanent teeth · Children and adolescents aged 16 years or less
2 findings from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs No fluoride supplement (placebo or no treatment)

Caries increment in permanent teeth · Children and adolescents aged 16 years or less
3 findings from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs Topical fluoride (fluoride rinse, varnish or toothpaste)

Plaque and gingivitis scores · Children and adolescents aged 16 years or less
1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs No fluoride supplement (placebo or no treatment)

Fluorosis (adverse effect; % of children with fluorotic teeth, questionable to severe) · Children and adolescents aged 16 years or less
1 finding from 1 review

5.6% SHMP chewing gum vs placebo

Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)

It is very uncertain whether 5.6% SHMP chewing gum changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

7.5% SHMP chewing gum vs placebo

Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)

It is very uncertain whether 7.5% SHMP chewing gum changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Filled primary surfaces at 3 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

Fluoride supplementation (tablets, drops, lozenges or chewing gum) showed no clear difference in filled primary surfaces at 5 years compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Caries presence in primary teeth · Pregnant women (for preventing dental caries in the primary teeth of their children)

It is very uncertain whether fluoride supplementation (tablets, drops, lozenges or chewing gum) changes children with caries in the primary teeth at 3 years compared with placebo or no treatment (very low certainty).

2 findings from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Fluorosis (maxillary teeth) at 5 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

It is very uncertain whether fluoride supplementation (tablets, drops, lozenges or chewing gum) changes fluorosis (maxillary teeth) at 5 years compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Caries in primary teeth: dmft (3 years) · Pregnant women (for preventing dental caries in the primary teeth of their children)

The review found no eligible studies for this question.

1 finding from 1 review