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EN
Purpose: To assess of prosthetic restorations' hygiene concerning the patients with metal and metal and porcelain crowns compared to the natural dentition. Materials and methods: Eighteen persons with fixed prosthetic restorations were examined. The hygiene of their permanent restorations was sampled with Plaque Test. Results: The value of the fluorescent indicator was highest on the own teeth, lower value was on metal crowns and the lowest value was observed on porcelain and metal crowns. The hygiene instructions resulted in the gradual decrease of the indicator’s value, which was observed during the following control visits. Conclusions: The researches reveal that the dental plaque has the least adhesive properties in relation to fixed prosthetic restorations made of porcelain and the precise instructions considering the hygiene of an oral cavity has a crucial influence on the improvement of the hygiene of the crowns
EN
Helicobacter pylori – Gram-negative rod, discovered more than 30 years ago, has a proven influence on inflammation of gastric and duodenal mucosa. The worldwide prevalence of H. pylori infection in the human population is estimated at 50% and is considered to be one of the most frequent bacterial infections in people. Many studies suggest that infection takes place in the early childhood within the family. The gastric mucosa is its natural habitat. In last time more and more findings about existence of this bacteria in another places of gastrointestinal tract and correlation with many diseases, especially an inflammation of oral cavity. The percentage of H. pylori detectability in the oral cavity ranges from 0 to 100%. Thus, more studies aimed at final determination of the bacterium reservoir in the oral cavity seem to be necessary.
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