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Respiratory systems of dental technicians negatively affected during 5 years of follow-up

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dc.contributor.author Bozkurt, Nurgül
dc.contributor.author Yurdasal, B.
dc.contributor.author Bozkurt, Ali İhsan
dc.contributor.author Yılmaz, Ö.
dc.contributor.author Tekin, M.
dc.date.accessioned 2019-08-16T13:02:22Z
dc.date.available 2019-08-16T13:02:22Z
dc.date.issued 2016
dc.identifier.issn 21463123 (ISSN)
dc.identifier.uri http://acikerisim.pau.edu.tr:8080/xmlui/handle/11499/9518
dc.description.abstract Background: Dental laboratory technician is one of the professions in which dust exposure is frequently experienced and therefore the health of workers has to be monitored. Aims: In this study, changes in the pulmonary functions and of pneumoconiosis frequencies among dental technicians after five years were investigated by comparing the results of two screenings carried out in 2008 and 2013. Study Design: Cohort study. Methods: In 2008 and 2013, Provincial Health Directorate carried out two different health screenings covering all of the dental technicians working in dental laboratories in Denizli. In both screenings, a questionnaire was applied, with which socio-demographic and workplace properties of the technicians were obtained. In addition, Pulmonary function tests (PFT) and standard chest X-rays of the technicians were performed. The results of these two screenings were evaluated by a chest specialist, and physical examinations were performed as necessary. In 2013, technicians who had pathologies underwent computerized tomography (HRCT). In this study, the study group was composed of dental laboratory technicians that participated in both screenings (2008 and 2013) and the data obtained from the screenings were compared. The gathered data were analyzed using paired student-t and X2 tests. Results: A total of 125 dental laboratory technicians participated in the two screenings. Overall, 92% of the technicians were male and the mean age of the participants was 35. Technicians were working for 9 hours a day, 6 days a week. Total exposure time was calculated to be around 41 thousand hours. Approximately 60% of workers were smokers. When the results of PFT were analyzed, 73% of the first evaluations were found to be normal; however, this ratio decreased to 51% in the second analysis five years later. In the second PFT measurement, compared to the first, there was a 23% decrease in the forced vital capacity (FVC) value, and a 15.7% decrease in forced expiratory volume in one second (FEV1). While restrictive disorder was found 25% in the first PFT evaluations, this ratio increased to 31% in the second PFT. When the radiological results were considered, 62% of the first X-ray results were found to be normal but this ratio decreased to 18% in 2013. While reticular/reticulonodular opacities were found in 11% of cases in 2008, it increased to 30% in 2013. Seven technicians were diagnosed with pneumoconiosis (5.6%). Conclusion: Respiratory tracts of the technicians were negatively affected during the five year period. The number of pneumoconiosis cases (5.6%) shows that it is necessary to adopt comprehensive work health and safety precautions for laboratories. © Trakya University Faculty of Medicine.
dc.language.iso English
dc.publisher AVES Ibrahim Kara
dc.relation.isversionof 10.5152/balkanmedj.2016.15312
dc.rights info:eu-repo/semantics/openAccess
dc.subject Dental technicians
dc.subject Pneumoconiosis
dc.subject Respiratory
dc.subject adult
dc.subject Article
dc.subject cohort analysis
dc.subject dental assistant
dc.subject dust exposure
dc.subject female
dc.subject follow up
dc.subject forced expiratory volume
dc.subject forced vital capacity
dc.subject high resolution computer tomography
dc.subject human
dc.subject laboratory
dc.subject lung function
dc.subject lung function test
dc.subject male
dc.subject mass screening
dc.subject occupational exposure
dc.subject occupational health
dc.subject occupational safety
dc.subject pneumoconiosis
dc.subject questionnaire
dc.subject respiratory system
dc.subject smoking
dc.subject thorax radiography
dc.subject working time
dc.title Respiratory systems of dental technicians negatively affected during 5 years of follow-up
dc.type Article
dc.relation.journal Balkan Medical Journal
dc.contributor.authorID 0000-0002-2340-1830
dc.contributor.authorID 0000-0002-5019-8719
dc.identifier.volume 33
dc.identifier.issue 4
dc.identifier.startpage 426
dc.identifier.endpage 433
dc.relation.publicationCategory Uluslararası Hakemli Dergi
dc.identifier.index Scopus
dc.identifier.index TRDizin
dc.identifier.index WOS
dc.identifier.index PubMed


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