Table 1.
Understanding and implementation of infection control procedures by Beijing dentists in 2000 and 2010
| Items | 2000 | 2010 | χ2 | P-value | ||
|---|---|---|---|---|---|---|
| Dentists (n = 592) | Dentists (n = 769) | |||||
| n | % | n | % | |||
| Received training | 373 | 62.96 | 583 | 75.81 | 26.24 | 0.000* |
| HBV vaccination | 193 | 32.66 | 524 | 68.14 | 169.48 | 0.000* |
| Use of basic personal protective equipment | ||||||
| Gloves | 434 | 73.31 | 767 | 99.73 | 225.22 | 0.000* |
| Masks | 551 | 93.05 | 751 | 97.66 | 16.96 | 0.000* |
| Hand hygiene | ||||||
| Wash hands pretreatment | 527 | 89.08 | 761 | 98.96 | 65.10 | 0.000* |
| Change gloves after every treatment | 347 | 63.25 | 763 | 99.22 | 366.66 | 0.000* |
| Wash hands after removing gloves | 427 | 72.07 | 747 | 97.14 | 176.54 | 0.000* |
| Protection against splatter during treatment | ||||||
| Wear eyewear or face shield | 83 | 13.94 | 734 | 95.45 | 924.35 | 0.000* |
| Wear gown | 86 | 14.51 | 417 | 54.23 | 226.26 | 0.000* |
| Use high-volume suction | 66 | 11.19 | 564 | 73.34 | 520.40 | 0.000* |
| Pressurised steam sterilisation of dental handpiece | 244 | 41.24 | 739 | 96.10 | 502.26 | 0.000* |
| Flush waterline after every treatment | 247 | 42.01 | 565 | 73.49 | 140.10 | 0.000* |
*
Chi-squared test, P < 0.01.
HBV, hepatitis B virus.