Pneumoconiosis and respiratory problems in dental laboratory technicians: Analysis of 893 dental technicians

Ergün, Dilek; Ergün, Recai; Özdemir, Cengiz; Öziş, Türkan Nadir; Yilmaz, Hınç; Akkurt, İbrahim

doi:10.2478/s13382-014-0301-9

Cited by 30 publications

(34 citation statements)

References 26 publications

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“…Although there are many studies showing the clinical findings, radiological involvement and functional impairment in dental technicians; relation between the degree of radiological involvement and functional impairment has not been clarified (11)(12)(13). In the present study with a large case series, the presence of a relation between radiological findings (chest X-Ray/HRCT) and functional findings in all dental technicians residing in Ankara, Turkey was evaluated.…”

Section: Introductionmentioning

confidence: 99%

The relation between the extent of radiological findings and respiratory functions in pneumoconiosis cases of dental technicians who are working in Ankara

Ergün¹,

Ergün²,

Evci̇k³

et al. 2016

Tuberk Toraks

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SUMMARYThe relation between the extent of radiological findings and respiratory functions in pneumoconiosis cases of dental technicians who are working in Ankara The relation between the extent of radiological findings and respiratory functions İn pneumoconiosis cases of dental technicians who are working in Ankara Introduction: In dental technicians, parenchymal changes caused by dust affect pulmonary functions. The evaluation of the relation between radiological scores (chest X-Ray/HRCT) indicating the extent of pulmonary involvement and the severity of functional findings in dental technicians. Materials and Methods: 440 dental technicians were evaluated with chest X-Ray, pulmonary function tests (PFTs) and high resolution computed tomography (HRCT). The degree of pulmonary involvement in radiological images 128 INTRODUCTIONDental laboratories harbor many dangers for dental technicians including physical, chemical, radioactive, ergonomic, psychological and biological ones. Dental technicians are constantly exposed to the vapor of different solvents and non organic acids, toxic gases formed during material use and to deleterious effects of dust formed during finishing, grinding and sandblasting of ceramic, acrylate and metal alloys (1-3). Pneumoconiosis, hypersensitivity pneumonia, occupational asthma and lung cancer may occur in dental technicians depending upon the duration of exposure (4).Dental technicians' pneumoconiosis (DTP), is a disease presenting with interstitial inflammation and fibrosis occurring due to exposure to complex substances (5). Although clinical functional parameters are influenced minimally in the early period of the disease, impairment in clinical functional parameters becomes more marked with radiological progression (6). In the evaluation of the severity of the disease, the employment of radiological and functional indices becomes more important (7).High resolution computerised tomography (HRCT) has an increasingly important role in the evaluation of occupational lung disease. HRCT is more sensitive than lung radiography in the detection of asbestosis, silicosis, pneumoconiosis and other parenchymal abnormalities in early period (8).In the literature, there are studies demonstrating the relation between the degree of involvement detected with lung radiography or HRCT and functional loss in various occupational groups (9,10). Although there are many studies showing the clinical findings, radiological involvement and functional impairment in dental technicians; relation between the degree of radiological involvement and functional impairment has not been clarified (11)(12)(13). In the present study with a large case series, the presence of a relation between radiological findings (chest X-Ray/HRCT) and functional findings in all dental technicians residing in Ankara, Turkey was evaluated. As far as we know, there is no previous study in the literature evaluating the relation between the extent of pulmonary involvement in lung graphies and functional findings and comparing lung radiogr...

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Section: Introductionmentioning

confidence: 99%

The relation between the extent of radiological findings and respiratory functions in pneumoconiosis cases of dental technicians who are working in Ankara

Ergün¹,

Ergün²,

Evci̇k³

et al. 2016

Tuberk Toraks

Self Cite

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“…If the necessary precautions are not taken, dust-related occupational diseases might develop (1)(2)(3)(4). When the literature was reviewed, it was remarkable that there are several pneumoconiosis cases that have been reported (6)(7)(8)(9)(10)(11)(12). Therefore, it is necessary to take certain precautions (1), including ventilation, vacuum use and increased personal protection methods.…”

Section: Discussionmentioning

confidence: 99%

“…These dusts, which show an accumulation in the bodies of those working for a long time, might result in dust-based lung diseases called "pneumoconiosis" over the course of time and therefore, workers need to be monitored carefully (1)(2)(3)(4)(5). In several studies in the literature, the prevalence of pneumoconiosis among dental technicians was found to be around 9.8-24.2% (6)(7)(8)(9)(10)(11)(12).…”

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confidence: 99%

Respiratory Systems of Dental Technicians Negatively Affected during 5 Years of Follow-Up

Bozkurt¹,

Yurdasal²,

Bozkurt³

et al. 2016

Balkan Med J

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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 X 2 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 (FEV 1 ). 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.

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“…The same database, with a different study period, was also used to determine the possible risk factors for DTP in our previous publication (14). Biopsy findings were available for only four patients.…”

Section: Study Populationmentioning

confidence: 99%

“…Many studies have been carried out to demonstrate the relationship between these two methods and the effects of the degree of pneumoconiosis, cigarette consumption, extent of emphysema, and duration of exposure on pulmonary functions, and the correlations between HRCT and PFTs have been investigated (2,7,(9)(10)(11)(12)(13)(14).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of dental technician’s pneumoconiosis using chest X-rayand HRCT: correlation between radiological and functional findings

Ergün

Evci̇k

et al. 2017

Turk J Med Sci

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Background/aim: This study aimed to compare high-resolution computed tomography (HRCT) findings with those of chest X-ray (CXR) and to evaluate the relationship of pulmonary function test (PFT) parameters with HRCT and CXR findings in cases of dental technician's pneumoconiosis.Materials and methods: CXR, PFT, and HRCT data of 89 dental technicians who were diagnosed with pneumoconiosis were retrospectively evaluated. Results:The cases of 24 dental technicians (27%) classified as normal (Category 0) based on CXR were evaluated as Category 1 according to HRCT. There was an inverse correlation of PFT parameters with nodular profusion score in CXR and all HRCT parameters. In this participant sample, small opacities were predominant (70% of the individuals), and worsening of PFT parameters was associated with the prevalence of pulmonary parenchymal changes. Conclusion:In the present study, micronodules detected using HRCT had an effect on pulmonary function worsening, which has not been reported in previous studies.

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Pneumoconiosis and respiratory problems in dental laboratory technicians: Analysis of 893 dental technicians

Cited by 30 publications

References 26 publications

The relation between the extent of radiological findings and respiratory functions in pneumoconiosis cases of dental technicians who are working in Ankara

The relation between the extent of radiological findings and respiratory functions in pneumoconiosis cases of dental technicians who are working in Ankara

Respiratory Systems of Dental Technicians Negatively Affected during 5 Years of Follow-Up

Evaluation of dental technician’s pneumoconiosis using chest X-rayand HRCT: correlation between radiological and functional findings

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