Composition, production rate and management of dental solid waste in 2017 in Birjand, Iran

Momeni, H. and Tabatabaei Fard, S. F. and Arefinejad, A. and Afzali, A. and Talebi, F. and Salmani, E. R. (2018) Composition, production rate and management of dental solid waste in 2017 in Birjand, Iran. International Journal of Occupational and Environmental Medicine, 9 (1). pp. 52-60.

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Background: The presence of toxic and pathogenic agents in the dental waste products has made it to be classified as “hazardous waste.” Objective: To assess dental waste production rate and composition and approaches used to manage these waste products in 2017 in Birjand, Iran. Methods: 48 dental clinics were evaluated in two months of 2017. Sampling was performed from each clinic 3 times a week. Samples were manually divided into 5 categories of chemical- pharmaceutical, infectious, semi-household, sharp and cutting materials, and toxic waste products, and weighed. A checklist containing 25 questions was used to evaluate the aspects of waste management in dental clinics. Results: The total amount of waste products generated in dental clinics was 7848.02 kg/ year in which semi-household waste had the highest quantity (4263.411 kg/year) and toxic waste had the lowest quantity (9.275 kg/year). Components with the highest amounts in dentistry waste products were nylon gloves (16.7), paper and cardboard (13.4), latex gloves (10.8), and pharmaceuticals (10.2). Waste separation was restricted to sharp and cutting waste. More than half (57) of dental units were equipped with amalgam filter. Fixing solutions were directly discharged to sewage in 48.6 of clinics. There was no program to reduce waste generation in 54 of the clinics. Autoclave was the main tool for sterilizing dental instruments. Conclusion: This study showed a remarkable share of recyclable materials in the composition of dental waste and lack of special approach to manage waste in dental clinics. It is necessary to plan for minimizing generation of, separating, and recycling waste at source. © 2018, NIOC Health Organization. All Rights Reserved.

Item Type: Article
Additional Information: Cited By :2 Export Date: 16 February 2020
Uncontrolled Keywords: Dental amalgam Dental clinics Dental waste Hazardous waste Medical waste disposal Waste management Article blood controlled study cross-sectional study dental clinic domestic waste hospital discharge hospital waste human infectious waste recycling sampling separation technique sewage disposal solid waste solid waste management toxic waste waste component removal analysis history Iran procedures waste disposal History, 21st Century Humans
Subjects: WA Public Health
WU Dentistry. Oral surgery
Divisions: Mashhad University of Medical Sciences
Depositing User: lib2 lib2 lib2
Date Deposited: 08 May 2020 15:43
Last Modified: 08 May 2020 15:43

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