Table 1.

Study design

72 enamel and 72 dentine specimens from bovine roots (4 mm)
Specimen preparation and standard surface treatment
Recording of baseline profiles (profilometer)
IDB 1: Curaprox	IDB 2: Elmex	IDB 3: Circum
Group 1 Dentin n = 12	Group 2 Enamel n = 12	Group 3 Dentin n = 12	Group 4 Enamel n = 12	Group 5 Dentin n = 12	Group 6 Enamel n = 12	Group 7 Dentin n = 12	Group 8 Enamel n = 12	Group 9 Dentin n = 12	Group 10 Enamel n = 12	Group 11 Dentin n = 12	Group 12 Enamel n = 12
Artificial saliva	Colgate Total Original	Artificial saliva	Colgate Total Original	Artificial saliva	Colgate Total Original
Brushing sequence (enamel 6 h, dentine 1 h, 120 strokes/min)
Recording of final profiles (profilometer) and scanning electron microscopy