Exposure to Methyl Methacrylate and Its Subjective Symptoms Among Dental Technicians, Tehran, Iran

• Autorzy: Golbabaei F. , Mamdouh M. , Jelyani K. N. , Shahtaheri S. J.
• Języki publikacji: EN

Abstrakty

EN

Exposure to methyl methacrylate (MMA), total dust and health symptoms were investigated in 20 dental laboratories located in Tehran, Iran. Time-weighted average (TWA) of MMA and peak concentrations were determined, using XAD-2 tubes followed by GC-ID analysis. Total dusts were evaluated gravimetrically. Health symptoms were asked using a questionnaire. TWA for technicians with direct and indirect exposure to MMA were 327.28 ± 79.42 and 282.9 ± 41.84 mg/m3, respectively. Peak concentration of MMA for those technicians were 337.0 ± 36.81 and 328.88 ± 45.40 mg/m3, respectively. There were no significant differences between TWA of MMA and peak concentration in different weekly workdays; however, within-day variations were observed (P < .05). TWA of MMA and peak concentration correlation with the laboratory volume were 0.61–0.65. Dust exposure of technicians was 2.35 ± 2.70 mg/m3. Cough and skin dryness were the common health symptoms. Smoking and asbestos exposure history were factors influencing cough prevalence (p < .05). It is concluded that the current Short-Term Exposure Limit (STEL) is not low enough to protect technicians against the adverse effects caused by MMA.

Słowa kluczowe

EN

methyl methacrylate; dental technicians; dental laboratories; health symptoms; time-weighted average concentration; peak concentration

PL

zagrożenia chemiczne; służba zdrowia; usługi stomatologiczne; pyły; narażenie zawodowe

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 2005
• Tom: Vol. 11, No. 3
• Strony: 283--289
• Opis fizyczny: Bibliogr. 11 poz., tab., wykr.

Twórcy

autor

Golbabaei F.

• School of Public Health & Institute of Public Health Research, Tehran University of Medical Sciences, Tehran, I.R. Iran

autor

Mamdouh M.

• School of Public Health & Institute of Public Health Research, Tehran University of Medical Sciences, Tehran, I.R. Iran

autor

Jelyani K. N.

• School of Public Health & Institute of Public Health Research, Tehran University of Medical Sciences, Tehran, I.R. Iran

autor

Shahtaheri S. J.

• School of Public Health & Institute of Public Health Research, Tehran University of Medical Sciences, Tehran, I.R. Iran

Bibliografia

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