Variable | Incipient caries (ICDAS 1 to 2) | Advanced caries (ICDAS 3 to 6) | ||||
---|---|---|---|---|---|---|
 | No caries at 2 year follow up (%) | With caries at 2 year follow up (%) | p | No caries at 2 year follow up (%) | With caries at 2 year follow up (%) | p |
Sex | Â | Â | 0.89 | Â | Â | 0.76 |
Male | 12 (14.1) | 73 (85.9) | Â | 39 (45.9) | 46 (54.1) | Â |
Female | 16 (13.4) | 103 (86.6) | Â | 52 (42.3) | 71 (57.7) | Â |
Comparison versus experimental group | Â | Â | 0.01 | Â | Â | 0.02 |
Experimental group | 22 (18.8) | 95 (81.2) | Â | 61(52.1) | 56 (47.9) | Â |
Comparison group | 6 (6.6) | 85 (93.4) | Â | 33(36.3) | 58 (63.7) | Â |
Baseline caries status | Â | Â | 0.01 | Â | Â | 0.04 |
Without caries(ICDAS 0) | 5 (35.7) | 9 (64.3) | Â | 10 (71.4) | 4 (28.6) | Â |
With caries (ICDAS 1–6) | 23 (11.9) | 171 (88.1) |  | 84 (43.3) | 110 (56.7) |  |
Salivary pH at baseline | Â | Â | 0.52 | Â | Â | 0.45 |
 ≤ 6 | 5 (9.6) | 24 (82.8) |  | 15 (51.7) | 14(48.3) |  |
 > 6 | 23 (12.8) | 156 (87.2) |  | 79 (44.1) | 100 (55.9) |  |
Salivary flowrate per minute at baseline | Â | Â | 0.97 | Â | Â | 0.21 |
 ≤ 5 ml | 20 (13.5) | 128 (86.5) |  | 71 (48.0) | 77 (52.0) |  |
 > 5 ml | 8 (13.3) | 52 (86.7) |  | 23 (38.3) | 37 (61.7) |  |
Total buffering capacity at baseline | Â | Â | 0.37 | Â | Â | 0.89 |
 ≤ 9 | 9 (10.8) | 74 (89.2) |  | 38 (45.8) | 45 (54.2) |  |
 > 9 | 19 (15.2) | 106 (84.8) |  | 56 (44.8) | 69 (55.2) |  |
Salivary MS levels at baseline | Â | Â | 0.04 | Â | Â | 0.01 |
 > 105 CFU/ml saliva | 10 (9.8) | 92 (90.2) |  | 42 (41.2) | 60 (58.8) |  |
 ≤ 105 CFU/ml saliva | 10 (22.2) | 35 (77.8) |  | 29 (64.4) | 16 (35.6) |  |
Salivary LB levels at baseline | Â | Â | 0.97 | Â | Â | 0.70 |
 > 105 CFU/ml saliva | 7 (13.5) | 45 (86.5) |  | 24 (46.2) | 28 (53.8) |  |
 ≤ 105 CFU/ml saliva | 13 (13.7) | 82 (86.3) |  | 47 (49.5) | 48 (50.5) |  |
Salivary yeast counts | Â | Â | 0.23 | Â | Â | 0.55 |
Moderate or heavy | 5 (20.8) | 19 (79.2) | Â | 13 (54.2) | 11 (45.8) | Â |
None or light | 15 (12.5) | 105 (87.5) | Â | 57 (47.5) | 63 (52.5) | Â |