By Kelli Ngariki
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November 18, 2025
If you've ever wondered about the right way to clean and sterilize dental burs, you're not alone. The CDC gives general guidance for sterilizing dental instruments, but doesn’t get into bur-specific details. Regardless of which autoclave you use, the process for burs remains largely the same. Here's how to do it right. The CDC's Take: General Guidelines The Centers for Disease Control and Prevention (CDC) classifies burs as critical or semi-critical instruments, depending on how they’re used. That means they need to be heat sterilized. But before you toss them in the autoclave, they need to be properly cleaned and packaged. Step-by-Step: Best Practices for Burs Here’s how to apply infection control principles in your practice: 1. Identify Your Burs Single-use or Reusable? Check manufacturer instructions. If there are no validated reprocessing instructions, consider the bur single-use and toss it after one use. 2. Pre-clean and Inspect Remove debris immediately after use. Use an ultrasonic cleaner or manually scrub with a detergent or enzymatic solution. Rinse and dry completely. Inspect for damage or wear. If damage, wear, or corrosion: Remove the bur from use (even if minor damage) Discard it in the sharps container For quality control and tracking, consider documenting the discard and the reason. Never try to repair or reuse. 3. Packaging for Autoclaving Best Practice: Use a Bur Holder or Cassette Place burs in a bur block, bur guard, or instrument cassette designed for sterilization. Choose holders that are autoclave-safe (heat-resistant and able to withstand moisture). Then wrap or pouch the holder itself—not the loose burs. Bonus Tip: Some bur blocks come with color-coded or numbered slots so you can standardize bur sets per procedure. If you're using a pouch: make sure the bur holder fits comfortably and the pouch is sealed with chemical indicators inside. Use sterilization pouches or wraps approved for steam sterilization. For small batches, individual pouches work fine. Larger loads can go in wrapped cassettes. Seal all packaging properly and include internal and external chemical indicators. 4. Load Placement in the Autoclave Place pouches paper side up (or follow your pouch manufacturer’s instructions). Don’t overcrowd the trays. Allow space between items. Do not let pouches or cassettes touch the chamber walls. Cassettes should be placed horizontally unless your autoclave manual says otherwise. 5. Choose the Right Cycle Pick the cycle that matches your packaging: "Pouches," "Wrapped Cassettes," or similar. Make sure to allow full drying time to prevent moisture-related contamination. 6. Post-Sterilization Handling Let packs cool and dry fully before handling. Store in a clean, dry area away from sinks or contamination zones. Reprocess any items in compromised packaging. A Note on Sterility and Performance Burs are small and intricate, making them tricky to clean. Over time, reusing them can reduce cutting efficiency and increase the risk of breakage. Keep track of how often burs are reused and inspect regularly. Documentation Matters Make sure your infection control manual includes: Bur inventory (type and classification) Manufacturer instructions for cleaning and sterilization Step-by-step packaging and sterilization protocol Inspection and discard criteria Final Thoughts Using your autoclave the right way means following a solid protocol: proper cleaning, smart packaging, and correct cycle selection. When in doubt, refer to the bur manufacturer's IFU and document everything. Ready to Step Up Your Compliance Game? Book a Compliance Risk Review with us today. We'll evaluate your sterilization protocols, OSHA readiness, HIPAA safeguards, and infection control practices to make sure your office is fully protected and audit-ready. Don’t wait for an inspector to find the gaps—let’s fix them now. Call Lindsay at 541-345-3875 ext. 3 .