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
- Home‐based chemically‐induced whitening (bleaching) of teeth in adults 2018 · Cochrane All outcomes1 weekMD 1.39 [0.50, 2.28]1 study · 69 participantsVery low