Table 5 Patient questionnaire data: importance of scale and polish at follow-up
| Â | Patient-reported score | 6-month group | 12-month group | 24-month group | Kruskal-Wallis test | |
|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | P-value | |
How important do you think a regular scale and polish is to keep your mouth clean? | Follow-up | 1 (No Importance) | 10 (9.7) | 5 (5.2) | 5 (5.1) | 0.502 |
(N = 298) | 2 | 10 (9.7) | 13 (13.5) | 7 (7.1) | ||
| Â | 3 | 27 (26.2) | 21 (21.9) | 30 (30.3) | ||
N (%) | 4 | 12 (11.7) | 12 (12.5) | 20 (20.2) | ||
| Â | 5 (Extremely important) | 44 (42.7) | 45 (46.9) | 37 (37.4) | ||
Complete dataset analysis (N = 298) | OR (95% CI)f | 1.00 | 1.28 | 0.97 | - | |
(0.74, 2.19) | (0.58, 1.63) | |||||
Multiple imputation (N = 363) | OR (95% CI)f | 1.00 | 1.29 | 0.96 | - | |
(0.75, 2.20) | (0.57, 1.60) | |||||
Follow-up (N = 302) N (%) | 1 (No Importance) | 3 (2.9) | 2 (2.0) | 0 (0) | 0.234 | |
2 | 2 (1.9) | 2 (2.0) | 3 (3.0) | |||
3 | 9 (8.6) | 7 (7.1) | 17 (17.2) | |||
How important do you think a regular scale and polish is to keep your gums healthy? | N (%) | 4 | 20 (19.0) | 14 (14.3) | 16 (16.2) | |
| Â | 5 (Extremely important) | 71 (67.6) | 73 (74.5) | 63 (63.6) | ||
Complete dataset analysis | OR (95% CI)f | 1.00 | 1.25 | 0.79 | - | |
Complete dataset analysis (N = 302) | OR (95% CI)f | |||||
(0.65, 2.40) | (0.43, 1.45) | |||||
Multiple imputation | OR (95% CI)f | 1.00 | 1.28 | 0.81 | - | |
(0.68, 2.42) | (0.44, 1.47) | |||||
(N = 367) |  | |||||
How important do you think a regular scale and polish is to prevent bad breath? | Follow-up | 1 (No Importance) | 14 (13.3) | 7 (7.3) | 8 (8.1) | 0.477 |
(N = 300) | 2 | 12 (11.4) | 10 (10.4) | 10 (10.1) | ||
| Â | 3 | 27 (25.7) | 21 (21.9) | 27 (27.3) | ||
N (%) | 4 | 10 (9.5) | 17 (17.7) | 15 (15.2) | ||
| Â | 5 (Extremely important) | 42 (40.0) | 41 (42.7) | 39 (39.4) | ||
Complete dataset analysis (N = 300) | OR (95% CI)f | 1.00 | ||||
1.64 | 1.20 | - | ||||
(0.97, 2.78) | (0.71, 2.01) | |||||
Multiple imputation | OR (95% CI)f | 1.00 | 1.67 | 1.20 | - | |
(0.99, 2.83) | (0.99, 2.83) | |||||
(N = 367) |  |  |  |  |  | |
How important do you think a regular scale and polish is to make your teeth whiter? | Follow-up | 1 (No Importance) | 18 (17.3) | 15 (15.8) | 10 (10.2) | 0.490 |
(N = 297) | 2 | 15 (14.4) | 12 (12.6) | 8 (8.2) | ||
| Â | 3 | 24 (23.1) | 25 (26.3) | 35 (35.7) | ||
N (%) | 4 | 23 (22.1) | 20 (21.1) | 19 (19.4) | ||
| Â | 5 (Extremely important) | 24 (23.1) | 23 (24.2) | 26 (26.5) | ||
Complete dataset analysis (N = 297) | OR (95% CI)f | 1.00 | 1.13 | 1.25 | - | |
(0.68, 1.87) | (0.76, 2.07) | |||||
Multiple imputation (N = 366) | OR (95% CI)f | 1.00 | 1.14 | 1.26 | - | |
(0.70, 1.86) | (0.76, 2.09) | |||||
How important do you think a regular scale and polish is to prevent tooth decay | Follow-up (N = 299) | 1 (No Importance) | 4 (3.9) | 1 (1.0) | 1 (1.0) | 0.298 |
2 | 5 (4.9) | 4 (4.1) | 5 (5.1) | |||
| Â | 3 | 8 (7.8) | 9 (9.2) | 12 (12.2) | ||
N (%) | 4 | 18 (17.5) | 13 (13.3) | 20 (20.4) | ||
| Â | 5 (Extremely important) | 68 (66.0) | 71 (72.4) | 60 (61.2) | ||
Complete dataset analysis (N = 299) | OR (95% CI)f | 1.00 | 1.71 | 1.03 | - | |
(0.89, 3.26) | (0.57, 1.86) | |||||
Multiple imputation (N = 364) | OR (95% CI)f | 1.00 | 1.79 | 1.07 | - | |
(0.94, 3.44) | (0.60, 1.90) | |||||