197211 | Baltimore, USA. | 2 dentists: acutely ill: HBsAg +, HBeAg n.k. | 13 | * | † | | General dentistry. | No gloves, cut hands once or twice per month. |
197628 | Los Angeles, USA. | Chronic carrier, HBsAg +, HBeAg +. | 3 | * | 43 | * | General dentistry. | Resumed practice wearing gloves. One further case. Barred from practice thereafter. |
197729 | Pennsylvania, USA. | Chronic carrier, HBsAg +, HBeAg +. | 55 | 1:400 | † | | Extractions. | Probable transmission from cuts on fingers. Resumed practice after HBcAb developed, wearing gloves. No further cases identified |
197830 | Baltimore, USA. | Acute illness, HBsAg +, HBeAg +. | 3 | * | 6 | 1:66 | Extractions and dental surgery. | Resumed practice while HBeAg positive, wearing gloves. No further cases identified. |
197931 | Connecticut, USA. | Acute illness, HBsAg +, HBeAg +. | 12 | 3% to 11% | 38 | 6.7% to 31% | >80% extractions. | Dentist had eczema of hands and did not wear gloves. Attack rates varied with time. Left practice. |
198032 | Atlanta, USA. | Chronic carrier, HBsAg +, HBeAg +. | 3 | * | 10 | 1.8% | Not stated. | Resumed practice, wearing gloves. |
198333 | Washington state, USA. | Chronic carrier, HBsAg +, HBeAg +. | 4 | 0.11% | 7‡ | * | General dentistry. | Resumed practice while a carrier, wearing gloves. No further cases identified. |
198512 | Indiana, USA. | Chronic carrier, HBsAg +, HBeAg +. | 9 (2 died) | * | 24 | 3.2% | General dentistry. | “Obsessive hand scrubber”, no gloves used. Dentist had had HBV vaccination. |
198634 | New Hampshire, USA. | Chronic carrier, HBsAg +, HBeAg +. | 4 | * | † | | Multiple Extractions | Did not wear gloves but scrubbed hands between cases. |