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. 2025 Nov 5;25:1752. doi: 10.1186/s12903-025-06819-0

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© The Author(s) 2025

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Fig. 1 — Trends in total viable counts in water samples from Groups A, B, and C over a 6-week period. A total viable counts in water samples from the high-speed handpiece outlet; B total viable counts in water samples from the air-water syringe outlet.