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September 12, 2025International Journal of Environmental Research and Public HealthOpen Access

Bacterial Contamination in Dental Unit Water Lines at Primary Health Care Centers (2022–2023): A Nationwide Study

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Authors

AJAbrar JamalEAEiman Alawadhi

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Overview

Nationwide analysis found 16.8% bacterial contamination in dental unit water lines, highlighting spatial variations and indicating urgent need for enhanced safety protocols.

Key Points

  • Overall contamination prevalence in dental unit water lines was found to be 16.8%, indicating significant risks for cross-infection.
  • Contamination rates increased to 19.8% in 2023, suggesting worsened microbial safety in dental units over the study period.
  • Logistic regression revealed increased odds of contamination linked to specific governorates and cup filler outlets, necessitating targeted interventions.
  • Pseudomonas aeruginosa was detected in 1.3% of samples, raising concerns about disinfection protocols for dental water systems.

Cite This Study

Jamal et al. (2025) studied this question.

synapsesocial.com/papers/68d41ee1713b0b5dfea68290https://doi.org/10.3390/ijerph22091406
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Bacterial Contamination in Dental Unit Water Lines at Primary Health Care Centers (2022–2023): A Nationwide Study2025
  2. 2Microbial contamination and biofilm-forming pathogens in dental unit waterlines: A cross- sectional study of opportunistic bacteria and infection control implications in an urban setting of China2025
  3. 3Investigation of the Presence of Opportunistic Bacteria in Dental Unit Waterlines and the Impact of Flushing2026
  4. 4Microbial Load and Antibiotic Resistance Patterns in Dental Unit Waterlines: Role of Routine Flushing and Systemic Factors2025
  5. 5Bacteriological analysis of drinking water obtained from various public water coolers in Abha City, Saudi Arabia.2025