Table 2.
Means of clinical parameters and 8-Hydroxy-desoxyguanosine (8-OHdG) of the study sample
|
Total (n = 27) |
Healthy (n = 13)* |
Gingivitis (n = 14) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
|
T0 |
T1 |
P value |
T0 |
T1 |
P value |
T0 |
T1 |
P value |
|
|
*Patients in this group were diagnosed with localised gingivitis at baseline. One month after matcha tea intake, they were re-diagnosed as healthy. PI: plaque index; BOP: bleeding on probing; T0: baseline visit; T1: 1 month after matcha tea intake visit. Comparisons by the Wilcoxon test; significance at P value <0.05. | |||||||||
|
PI |
32.1 ± 12.7 |
22.3 ± 10.2 |
<0.001 |
28.3 ± 7.5 |
17.5 ± 5.3 |
0.04 |
35.6 ± 15.6 |
26.8 ± 11.8 |
0.04 |
|
BOP |
19.3 ± 5.4 |
12.1 ± 8.1 |
<0.001 |
16.4 ± 5.0 |
5.6 ± 2.5 |
<0.001 |
22.0 ± 4.3 |
18.1 ± 6.7 |
0.04 |
|
8-OHdG ng/ml |
6.5 ± 1.3 |
5.4 ± 1.9 |
0.005 |
6.9 ± 1.6 |
5.6 ± 1.8 |
0.01 |
6.1 ± 0.9 |
5.2 ± 1.9 |
0.15 |