Table 1.

Mean (SD) caries prevalence at baseline and mean (SD) caries prevalence and increment after 3 years in the CP (n = 615) and FFS (n = 310) groups

Group	DFT	DFS	DFSa
CP - baseline	2.74 (2.70)	3.64 (4.16)	0.70 (1.59)
CP - after 3 years	3.23 (3.05)	4.44 (4.85)	0.98 (2.00)
CP - increment	0.48 (0.90)	0.77 (1.53)	0.29 (0.74)
FFS – baseline	3.75 (3.55)	5.39 (6.05)	1.41 (2.65)
FFS - after 3 years	4.55 (4.05)	6.96 (7.54)	2.19 (3.57)
FFS - increment	0.80 (1.33)	1.57 (2.69)	0.78 (1.54)

CP capitation payment, FFS fee-for-service, DFT Decayed Filled Teeth, DFS Decayed Filled Surfaces, DFSa Decayed Filled approximal Surfaces