1. Patient Safety
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Prevent infections: Contaminated water can introduce harmful bacteria (e.g., Legionella, Pseudomonas) directly into a patient’s mouth, gums, or bloodstream.
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Use in surgery: Purified water is vital in extractions, implants, and other surgical procedures where sterility is non-negotiable.
2. Sterilization & Equipment Longevity
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Autoclave use: Only purified/distilled water should be used in autoclaves. Tap water causes mineral deposits, corrosion, and failure of sterilization.
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Instruments: Ensures proper cleaning and sterilization of dental tools.
3. Dental Unit Water Lines (DUWLs)
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DUWLs are prone to biofilm formation if non-purified water is used.
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ADA and CDC recommend that water used in patient treatment must contain <500 CFU/mL of heterotrophic bacteria — only achievable with purified water.
4. Mixing Dental Materials
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Impurities in tap water can affect setting times and strength of materials like alginate, impression paste, or dental cement.
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Purified water ensures predictable and accurate results.
❌ Risks of Not Using Purified Water:
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Cross-contamination and infections
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Equipment damage and costly repairs
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Poor clinical results (material failure)
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Violation of health regulations
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Harm to reputation and trust
Summary:
Purified water is not optional in a dental clinic — it is a core requirement for safe, sterile, and professional dental care.
