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October 1, 2025Postgraduate Medical Journal of Ghana

Microbial Load and Antibiotic Resistance Patterns in Dental Unit Waterlines: Role of Routine Flushing and Systemic Factors

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Authors

PAPatrick Caldicock AmpofoNNNoah Obeng NkrumahHFH. Fleischer

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Overview

Assessment of bacterial contamination levels in dental unit waterlines with routine flushing, highlighting resistance patterns.

Key Points

  • High levels of microbial contamination were found in dental unit waterlines, exceeding safe limits.
  • Routine flushing reduced bacterial counts by about 45%, but contamination persisted above acceptable levels.
  • Enterococcus and coagulase-negative Staphylococcus were the most frequently detected organisms in the water samples.
  • Widespread antibiotic resistance was observed in isolates, indicating a significant public health concern.

Cite This Study

Ampofo et al. (2025) studied this question.

synapsesocial.com/papers/68dd91cffe798ba2fc498b71https://doi.org/10.60014/pmjg.v14i2.504
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