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Evidence found and GRADE certainty

18 questions · 18 findings · 1 reviews · All outcomes

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No studies found 3 · 16.7%GRADE not reported 8 · 44.4%Very low 7 · 38.9%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

6% HP paint-on gel 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 6% HP paint-on gel changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

18% CP paint-on gel 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 18% CP paint-on gel changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

25% CP paint-on gel vs 8.75% HP paint-on gel

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 25% CP paint-on gel changes tooth whitening - assessed by the dentist compared with 8.75% HP paint-on gel (very low certainty).

1 finding from 1 review

18% CP paint-on gel vs 16.4% CP paint-on gel

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 18% CP paint-on gel changes tooth whitening - assessed by the dentist compared with 16.4% CP paint-on gel (very low certainty).

1 finding from 1 review

SPC paint-on gel vs 8.7% HP paint-on gel

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

19% SPC paint-on gel led to lower tooth whitening - assessed by the dentist compared with 8.7% HP paint-on gel; GRADE not reported.

1 finding from 1 review

SPC paint-on gel vs 18% CP paint-on gel

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 19% SPC paint-on gel changes tooth whitening - assessed by the dentist compared with 18% CP paint-on gel (very low certainty).

1 finding from 1 review

6% HP paint-on gel + KF vs 6% HP paint-on gel

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 6% HP paint-on gel + KF changes tooth whitening - assessed by the dentist compared with 6% HP paint-on gel (very low certainty).

1 finding from 1 review

18% CP paint-on gel (4x/day) vs 18% CP paint-on gel

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 18% CP paint-on gel (4x/day) changes tooth whitening - assessed by the dentist compared with 18% CP paint-on gel (2x/day) (very low certainty).

1 finding from 1 review