Babiuc, Iuliana; Ciudin, Lucia; Cristea, Daniela; Damian, Maria; Malita, Mådalina; Påuna, Mihaela
November 2010
Romanian Journal of Stomatology;2010, Vol. 56 Issue 4, p292
Academic Journal
Introduction: Cross contamination may produce through different prosthetic tools, like impress, model, occlusion gauge, prosthesis and during the processes of prosthesis reparation, lining and polishing. Aim: the investigation of the potential of microbial contamination in dental technical laboratory during prosthesis fabrication process. Methods: 14 patients from the Partial Removable Prosthesis Department, Dental Medicine Faculty, Bucharest have participated to this study. Patients were both genders, of ages between 48 and 84 years wearers of 20 partial removable prosthesis. The subjects were divided in 2 lots: partially edentates (n=8) and totally edentates (n=6). Microbiological samples from the mucosal face of prosthesis were taken. Results: 50 bacterial strains have been isolated, all of them aerobic, from 20 samples. The partially edentulous patients presented a more diversified bacterial flora. Conclusions: An improper manipulation of prosthetic pieces in the cabinet and in the dental technical laboratory determine a high risk for cross contamination, as long as these prosthetic devices have been placed intraoral and are made from acrylic, which can be easily impregnated with bacteria.


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