Table 4.

Status (Sound: code 0; decayed: codes 1 and 2; filled: code 3; sealed: code 6 of DMFT index according to the WHO recommendations) for the permanent first molars at baseline and final examinations, according to the groups

Group*	Tooth	Tooth status n (%)
		Sound at BL**	Sound at FE**	Decayed at BL	Decayed at FE	Filled at BL	Filled at FE	Sealed at BL	Sealed at FE
HR-S	16	85 (94.4)	24 (26.7)	4 (4.4)	4 (4.4)	0 (0.0)	7 (7.8)	1 (1.1)	55 (61.1)
	26	80 (88.9)	15 (16.7)	8 (8.9)	4 (4.4)	0 (0.0)	11 (12.2)	2 (2.2)	60 (66.7)
	36	77 (85.6)	11 (12.2)	13 (14.4)	5 (5.6)	0 (0.0)	17 (18.9)	0 (0.0)	57 (63.3)
	46	79 (87.8)	11 (12.2)	9 (10.0)	6 (6.7)	1 (1.1)	12 (13.3)	1 (1.1)	61 (67.8)
LR-S	16	64 (100.0)	10 (15.6)	0 (0.0)	1 (16)	0 (0.0)	0 (0.0)	0 (0.0)	53 (82.8)
	26	64 (100.0)	8 (12.5)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	56 (87.5)
	36	64 (100.0)	6 (9.4)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	58 (90.6)
	46	64 (100.0)	7 (10.9)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	57 (89.1)
HR-NS	16	59 (91.1)	47 (66.2)	6 (8.4)	7 (9.9)	3 (4.2)	7 (9.9)	3 (4.2)	10 (14.1)
	26	62 (87.3)	45 (63.4)	3 (4.2)	9 (12.7)	1 (1.4)	5 (7.0)	5 (7.0)	12 (16.9)
	36	58 (81.7)	45 (63.4)	9 (12.7)	6 (8.4)	1 (1.4)	7 (9.9)	3 (4.2)	13 (18.3)
	46	56 (87.5)	40 (56.3)	11 (8.3)	9 (12.7)	2 (2.8)	13 (18.3)	5 (7.0)	9 (12.7)
LR-NS	16	46 (90.2)	40 (78.4)	0 (0.0)	1 (2.0)	0 (0.0)	1 (2.0)	5 (9.8)	9 (17.6)
	26	46 (90.2)	39 (76.5)	0 (0.0)	1 (2.0)	0 (0.0)	1 (2.0)	5 (9.8)	10 (19.6)
	36	43 (84.3)	40 (78.4)	0 (0.0)	0 (0.0)	0 (0.0)	2 (3.9)	8 (15.7)	9 (17.6)
	46	45 (88.2)	41 (80.4)	0 (0.0)	0 (0.0)	0 (0.0)	2 (3.9)	6 (11.8)	8 (15.7)

^*HR: high caries risk; LR: low caries risk; S: sealed permanent first molars; NS: not sealed permanent first molars

^**BL: baseline; FE: final examination