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Document ID (ISN)105222
CIS number 06-665
ISSN - Serial title 1080-3548 - International Journal of Occupational Safety and Ergonomics
Year 2005
Convention or series no.
Author(s) Golbabaei F., Mamdouh M., Jelyani K.N., Shahtaheri S.J.
Title Exposure to methyl methacrylate and its subjective symptoms among dental technicians in Tehran, Iran
Bibliographic information 2005, Vol.11, No.3, p.283-289. Illus. 11 ref.
Abstract Methyl methacrylate (MMA) and total dust exposures, as well as workers' health symptoms, were investigated in 20 dental laboratories in Tehran, Iran. Time-weighted average (TWA) of MMA and peak concentrations were determined and total dusts were evaluated. Data on health symptoms were collected by questionnaire. There were no significant differences between the TWA of MMA and the peak concentration in different workdays; however, important within-day variations were observed. Cough and skin dryness were the common health symptoms. Smoking and a history of asbestos exposure were factors influencing cough prevalence. Although short-term exposures were found to be lower than the current short-term exposure limit (STEL) of 100ppm, it is argued that the STEL is not low enough to protect technicians against the adverse effects caused by MMA.
Descriptors (primary) Iran, Islamic Republic of; dental technicians; symptoms; methyl methacrylate
Descriptors (secondary) airborne dust; subjective assessment; smoking; determination in air; skin diseases; questionnaire survey; dust measurement; respiratory diseases
Document type D - Periodical articles
Country / State or ProvinceIran, Islamic Republic of
Subject(s) Toxic and dangerous substances
Broad subject area(s) Chemical safety
Browse category(ies) Acrylates