Table 1.
Oral hygiene changes between pre-lockdown and during the COVID-19 lockdown, among medical/dental professionals and the general population.
| N-M/D Group | M/D Group | ||||||
|---|---|---|---|---|---|---|---|
| During Lockdown % (N) |
Before Lockdown % (N) |
p-Value | During Lockdown % (N) |
Before Lockdown % (N) |
p-Value | ||
| Toothbrushing frequency | 0.383 ** | 0.424 ** | |||||
| >2 times/day | 15% (57) | 11.3% (43) | 18.1% (76) | 12.9% (54) | |||
| 2 times/day | 61.4% (234) | 69.3% (264) | 70.4% (295) | 78.3% (328) | |||
| Once/day | 21% (80) | 18.4% (70) | 10.3% (43) | 8.4% (35) | |||
| Few times/week | 2.4% (9) | 0.8% (3) | 1.2% (5) | 0.5% (2) | |||
| Not at all | 0.3% (1) | 0.3% (1) | 0% (0) | 0% (0) | |||
| Toothbrushing duration | 0.024 *,** | <0.001 *,** | |||||
| 30 s | 8.9% (34) | 9.2% (35) | 1.000 *** | 3.1% (13) | 4.5% (19) | 0.280 *** | |
| 1 min | 27.8% (106) | 30.4% (116) | 0.444 *** | 14.3% (60) | 17.2% (72) | 0.236 *** | |
| 2 min | 40.7% (155) | 39.1% (149) | 1.000 *** | 44.6% (187) | 45.1% (189) | 1.000 *** | |
| >2 min | 22.6% (86) | 21.3% (81) | 1.000 *** | 37.9% (159) | 33.2% (139) | 0.028 *,*** | |
| Type of toothbrush | 0.001 *,** | 0.049 *,** | |||||
| Manual | 64.8% (247) | 61.7% (235) | 0.036 *,*** | 44.6% (187) | 42.7% (179) | 0.456 *** | |
| Powered | 25.7% (98) | 25.5% (97) | 1.000 *** | 34.1% (143) | 34.1% (143) | 1.000 *** | |
| Both manual and powered | 9.4% (36) | 12.9% (49) | 0.006 *,*** | 21.2% (89) | 23.2% (97) | 0.345 *** | |
| Additional oral hygiene products use | Dental floss | 43.8% (167) | 45.4% (173) | 0.286 § | 69.9% (293) | 71.4% (299) | 0.405 § |
| Daily use of dental floss | 15.5% (59) | 15.5% (59) | 1.000 § | 30.5% (128) | 27% (113) | 0.012 *,§ | |
| Mouthwash | 48.8% (186) | 50.9% (194) | 0.216 § | 72.1% (302) | 72.6% (304) | 0.839 § | |
| Toothpicks | 29.7% (113) | 28.9% (110) | 0.549 § | 7.4% (31) | 7.4% (31) | 1.000 § | |
| Interdental brushes | 11% (42) | 11.8% (45) | 0.453 § | 18.4% (77) | 19.1% (80) | 0.629 § | |
| Oral irrigator | 9.4% (36) | 9.4% (36) | 1.000 § | 16% (67) | 15.3% (64) | 0.664 § | |
* Statistically significant, ** Related-Samples Marginal Homogeneity Test, *** Related-Samples McNemar Test with Bonferroni correction, § Related-Samples McNemar Test without Bonferroni correction. Abbreviations: N-M/D Group, non-medical/dental group; M/D Group, medical/dental group.