Dental unit waterlines (DUWLs) have been linked to serious infection-control failures in dentistry, including pediatric outbreaks caused by nontuberculous mycobacteria (NTM). Neglecting waterline maintenance can lead to severe patient harm, regulatory action, and reputational damage. This blog explores real-world case studies, the hidden risks of biofilm formation, and proven protocols for prevention—such as routine waterline treatment, verification testing, and documented remediation. Learn how to protect your practice and ensure compliance with expert guidance from Agenics Labs.