### What is Silver Diamine Fluoride (SDF)? Silver Diamine Fluoride (SDF) is a clear liquid used by dentists to help prevent cavities from growing and spreading. It combines fluoride, which strengthens teeth, with silver, which kills bacteria. ### Benefits of SDF 1. **Effective and Efficient**: SDF can stop around 80% of cavities and is quick to apply, taking less than a minute. 2. **Safe**: Studies show no serious side effects other than staining. 3. **Quick and Painless**: Unlike traditional cavity treatments, SDF is painless, making it ideal for children and people with special needs. 4. **Prevents Future Cavities**: SDF not only stops current cavities but also helps prevent new ones. 5. **Inexpensive**: The cost of SDF is relatively low, averaging $20 to $25 per tooth. It may also be covered by Medicaid in some states. ### Side Effects of SDF 1. **Staining**: The most common side effect is staining of the treated areas. 2. **Allergic Reactions**: Rarely, some people may have an allergic reaction. ### Who Should Avoid SDF? People with certain conditions should avoid SDF. Always consult your dentist about your medical history before using SDF. ### Conclusion SDF is a safe, effective, and inexpensive option for preventing and treating cavities, especially in children and people with special needs. However, it may cause staining, so discuss with your dentist to see if it's right for you.