The purpose of the study was the evaluation of the dental plaque and the influence of determined hygienic factors on gingival recession occurrence in 455 students of The Medical University of Bialystok. All the subjects were examined in artificial light, with the use of the probe, mirror, and parodontometer. The distribution of stained dental deposits were estimated with the use of the plaque i...

The fully automated Colifast ALARM™ has been used for two years for daily monitoring of the presence/absence of Escherichia coli in 100 mL raw water at Oset drinking water treatment plant in Oslo, Norway. The raw water is extracted from 35 m depth from the Lake Maridalsvannet. E. coli was detected in 18% of the daily samples. In general, most samples positive for E. coli were observed during th...

BACKGROUND Approximately 18 million South Africans do not have access to adequate sanitation. This problem is not unique to South Africa but is a challenge to many developing countries. OBJECTIVES The purpose of this qualitative study was to gain insight and understanding of factors that could motivate people to adopt safe hygienic practices. METHODS A non-probability purposive sample of 12...

For the present time it became apparent that Helicobacter pylori (Hp) is present in the surface water groundwater wells, in the water from water distribution system. WHO classifies Hp to a group of emerging pathogens for epidemiological surveillance of diseases associated with water. The study, of various aspects of the permeation of Hp into the body of water requires an integrated approach inc...

We compared the mechanisms of resistance to Varroa destructor displayed by bees bred for Suppression of Mite Reproduction (SMR) and hygienic behavior (HYG). Mites from SMR and HYG source colonies were introduced into recently sealed SMR and HYG worker brood, and the infested pupae were placed either into recipient colonies or into an incubator. SMR colonies removed significantly more miteinfest...