| WT |
WP |
WT + WP |
p-value |
|
Burn
|
1 (5.2%) |
1 (5.8%) |
2 (10.5%) |
0.780 |
|
Irritation
|
2 (10.5%) |
0 (0%) |
2 (10.5%) |
0.316 |
|
Oral mucosa sensitivity
|
2 (10.5%) |
3 (16.6%) |
3 (15.7%) |
0.810 |
|
Tooth sensitivity
|
1 (5.2%) |
5 (27.8%) |
4 (21.1%) |
0.183 |
|
Unpleasant taste
|
0 (0%) |
0 (0%) |
2 (10.5%) |
0.133 |
|
Unpleasant texture (sandy, rough, sticky)
|
1 (5.2%) |
0 (0%) |
0 (0%) |
0.371 |
|
Peeling, roughness of the oral mucosa (cheek, tongue, lips, gums)
|
1 (5.2%) |
0 (0%) |
2 (10.5%) |
0.361 |
|
Dry mouth, thirst
|
3 (15.7%) |
1 (5.8%) |
1 (5.2%) |
0.435 |
|
Ulcers on the oral cavity / wounds
|
0 (0%) |
2 (11.1%) |
0 (0%) |
0.112 |
|
Itching (cheek, tongue or lips)
|
0 (0%) |
0 (0%) |
0 (0%) |
n.a. |
|
Tingling (cheek, tongue or lips)
|
2 (10.5%) |
0 (0%) |
1 (5.2%) |
0.364 |
|
Mouth taste change
|
1 (5.2%) |
3 (16.6%) |
0 (0%) |
0.134 |
|
Values are shown as number and percentage. * Chi-square test or Fisher's test, df=2; p<0.05. Abbreviations: n.a. – non acceptable; WT – whitening toothpaste, WP – whitening pen, WT + WP – whitening toothpaste and pen.
|
