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March 22, 2026ACS ES&T Water

Integrated Physicochemical Characterization and Amplicon-Based Microbial Profiling of Dental Unit Wastewater

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Authors

HKHattapol KumchaiTMTitiya MeechaiATA. Tancho

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Overview

Analyzes microbial communities and physicochemical properties in dental wastewater, highlighting environmental implications.

Key Points

  • The study aims to evaluate the physicochemical characteristics and microbial communities present in dental unit wastewater.
  • Collected dental unit wastewater from restorative and surgical units.
  • Measured physicochemical parameters including pH, EC, turbidity, TSS, TDS, DO, and BOD.
  • Identified trace metals using ICP-OES.
  • Conducted microbial profiling using Illumina MiSeq sequencing targeting 16S rRNA and ITS1 regions.
  • Analyzed data with the QIIME2 pipeline.
  • pH values ranged from 6.40 to 6.56; EC values were between 0.236 and 0.257 mS/cm.
  • Observed moderate levels of turbidity, TSS, and TDS; low BOD levels (3 to 4 mg/L) indicating limited biodegradable organic load.
  • Trace metals detected included zinc, copper, iron, magnesium, and arsenic.
  • Dominant microbial communities included Proteobacteria, Firmicutes, Actinobacteriota, Bacteroidota for bacteria, and Ascomycota, Basidiomycota for fungi.

Cite This Study

Kumchai et al. (2026) studied this question.

synapsesocial.com/papers/69bf8692f665edcd009e8f83https://doi.org/10.1021/acsestwater.6c00091
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