Infection Control Mechanisms Employed by Dental Laboratories to Prevent Infection of their Dental Technicians/Technologists
Published on: 30th November, 2016
OCLC Number/Unique Identifier: 7286428022
Objective: The aim of the study was to determine the compliance to infection control of various dental laboratories in Durban.
Study design: This was a qualitative survey.
Setting: Dental laboratories in Durban area, South Africa.
Subject: Registered laboratory technicians.
Study methodology: Convenient random sampling method was used.
Results: There was poor compliance to infection control procedures by most dental laboratories. Majority, 66.67%, of the dental laboratories relied on dental clinics for disinfection of dental impressions; therefore, they did not disinfect the impressions. On the other hand, only 33.33% carried out disinfection of dental impressions on their own. A high number (53.3%) of the respondents had disinfection areas within their dental laboratories, 6.7% had no disinfection areas while 40% depended upon dental clinics for all disinfections. About 60% of the dental technicians had valid vaccinations against Hepatitis B Virus while 40% had no vaccination against HBV.
Conclusion: The results of this study indicated that there was substantial nonconformity to infection control measure in all dental laboratories. There should be comprehensive inspection of dental laboratories prior to licensing and thereafter by the South African Dental Technician Council’s inspectors to ensure that all dental laboratories comply with the various infection control measures.
The Bacteriological Profile of Nosocomial Infections at the Army Central Hospital of Brazzaville
Published on: 25th November, 2025
Nosocomial infections are infections acquired during a stay in a healthcare facility, representing a major public health challenge worldwide, and particularly in Africa, due to their frequency, potential severity, and associated costs. In Congo, their epidemiological profile is not yet well understood. It’s in this context that we undertook to conduct a retrospective descriptive study on nosocomial infections between January 1, 2012, and December 31, 2016, in the internal medicine department of the Army Central Hospital of Brazzaville, in order to analyze the bacteriological profile of nosocomial infections.The study involved 189 patients. The results revealed that hospital-acquired infections were frequent, with a female predominance (71.43%), an average age of 32 years, and risk factors including self-medication with antibiotics (51%) and urinary catheterization (39%). Urinary tract infections were the most common (57%), with Escherichia coli as the main pathogen (17%), and mortality from these infections reached 53%.The study highlighted a high mortality rate linked to hospital-acquired infections, primarily associated with HIV status and self-medication. Management, prevention, and infection control measures, including improved antibiotic stewardship, are necessary to reduce mortality.
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