Table 2.
Micro-CT greyscale values of the samples (standard deviation in parentheses).
| Groups | Without orthodontic brackets | With orthodontic brackets | |||||
|---|---|---|---|---|---|---|---|
| A1 (Negative control) | B1 (positive control) | C1 (test group) | A2 (Negative control) | B2 (positive control) | C2 (test group) | ||
| Sound enamel | Qsound | 115.57 (33.38) | 121.07 (32.39) | 115.37 (35.83) | 130.25 (23.78) | 122.19 (24.26) | 111.55 (26.27) |
| After demineralisation | Qdemin | 100.21 (38.00) | 93.54 (35.09) | 103.22 (36.06) | 115.30 (42.68) | 115.78 (38.62) | 93.53 (39.83) |
| After remineralisation | Qremin | 111.26 (38.81) | 106.40 (38.07) | 122.04 (32.11) | 117.98 (33.92) | 126.55 (28.67) | 146.78 (19.10) |