Table 4.

Plaque and Gingival Index Scores at Baseline and after 1 Yr per Treatment Group, n (%)

	0		1		2
Treatment Techniques	Plaque	Gingival	Plaque	Gingival	Plaque	Gingival
Conventional restorations
Baseline	18 (28)	57 (88)	43 (66)	8 (12)	4 (6)	0 (0)
1 yr	33 (59)	52 (93)	20 (36)	4 (7)	3 (5)	0 (0)
Hall technique
Baseline	21 (40)	47 (90)	27 (52)	4 (8)	4 (8)	1 (2)
1 yr	28 (64)	37 (84)	15 (34)	7 (16)	1 (2)	0 (0)
Nonrestorative caries treatment
Baseline	22 (42)	40 (77)	27 (52)	12 (23)	3 (6)	0 (0)
1 yr	35 (73)	41 (85)	11 (23)	6 (13)	2 (4)	1 (2)

Baseline, n = 169 children; 1 yr, n = 148 children. Plaque Index: 0 = no plaque, 1 = thin visible plaque, 2 = thick visible plaque. Gingival Index: 0 = no swelling, 1 = mild swelling, 2 = moderate to severe gingival swelling.