Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

156 questions · 165 findings · 14 reviews

No studies found 23 · 13.9%GRADE not reported 23 · 13.9%Very low 70 · 42.4%Low 25 · 15.2%Moderate 18 · 10.9%High 6 · 3.6%

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