{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T01:00:12Z","timestamp":1784768412785,"version":"3.55.0"},"reference-count":0,"publisher":"Pensoft Publishers","issue":"1","license":[{"start":{"date-parts":[[2020,3,31]],"date-time":"2020-03-31T00:00:00Z","timestamp":1585612800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["FM"],"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Dental students are at high risk of developing adverse respiratory reactions as a result of their practical work during their dentistry degree program when they come into contact with multiple airborne irritants and allergens.&amp;nbsp;<\/jats:p>\n          <jats:p>&amp;nbsp;<\/jats:p>\n          <jats:p><jats:bold>Aim: <\/jats:bold>To estimate the prevalence of respiratory symptoms of exposure to substances in the workplace and associated risk factors in Bulgarian dental students.&amp;nbsp;Materials and methods: A cross-sectional study of dental students at the Plovdiv Medical University and Sofia Medical University was performed by using a self-report questionnaire. A total of 467 dental students completed the questionnaire (response rate 51.8%).<\/jats:p>\n          <jats:p>&amp;nbsp;<\/jats:p>\n          <jats:p><jats:bold>Results:<\/jats:bold> The prevalence of self-reported respiratory symptoms related to the pre-clinical and clinical training courses of the dentistry program was 12.4%. According to logistic regression analysis, the most important risk factors for work-related respiratory symptoms were a personal history of allergic rhinoconjunctivitis (odds ratio (OR) 6.34, 95% confidence interval (CI): 3.14-12.78), atopic dermatitis (OR 2.81, 95%CI: 1.26-6.26), and exposure to chemicals from dental environment for more than 6 hours a day (OR 3.60, 95%CI: 1.21-10.70).<\/jats:p>\n          <jats:p>&amp;nbsp;<\/jats:p>\n          <jats:p><jats:bold>Conclusion:<\/jats:bold> The results of this study suggest that work-related respiratory symptoms are frequent among dental students and indicate the need for efforts to establish effective primary preventive programs for occupational respiratory disorders at national level.<\/jats:p>","DOI":"10.3897\/folmed.62.e48268","type":"journal-article","created":{"date-parts":[[2020,3,31]],"date-time":"2020-03-31T17:35:11Z","timestamp":1585676111000},"page":"141-146","source":"Crossref","is-referenced-by-count":2,"title":["Respiratory Symptoms of Exposure&amp;nbsp;to Substances in the Workplace among Bulgarian Dental Students: a Self-report Questionnaire Survey"],"prefix":"10.3897","volume":"62","author":[{"given":"Iliyana","family":"Stoeva","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Dencheva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristina","family":"Mircheva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7926-6909","authenticated-orcid":true,"given":"Atanas","family":"Chonin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2258","published-online":{"date-parts":[[2020,3,31]]},"container-title":["Folia Medica"],"original-title":[],"link":[{"URL":"https:\/\/foliamedica.bg\/article\/48268\/download\/pdf\/","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/foliamedica.bg\/article\/48268\/download\/xml\/","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/foliamedica.bg\/article_preview.php?id=48268&skip_redirect=1","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,3,31]],"date-time":"2020-03-31T17:35:12Z","timestamp":1585676112000},"score":1,"resource":{"primary":{"URL":"https:\/\/foliamedica.bg\/article\/48268\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,3,31]]},"references-count":0,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2020,3,31]]}},"URL":"https:\/\/doi.org\/10.3897\/folmed.62.e48268","relation":{},"ISSN":["1314-2143","0204-8043"],"issn-type":[{"value":"1314-2143","type":"electronic"},{"value":"0204-8043","type":"print"}],"subject":[],"published":{"date-parts":[[2020,3,31]]}}}