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Learn MoreSilver diamine fluoride (SDF) is a clear liquid used to halt cavity progression and reduce tooth sensitivity without removing tooth structure. Silver particles kill cavity-causing bacteria, while fluoride remineralizes and strengthens the tooth. SDF stops decay but doesn't restore lost tooth structure, so a filling may still be needed for shape and function.
Silver diamine fluoride (SDF) is an innovative, non-invasive treatment that can stop cavities in their tracks without the need for shots or drilling. This quick, painless procedure involves painting a special liquid onto the affected tooth surface. The silver particles in SDF kill cavity-causing bacteria, while the fluoride helps remineralize and harden the softened tooth structure. SDF is an excellent option for young children who may have difficulty sitting still for traditional cavity treatments, as well as older adults with dental anxiety or special needs.
The SDF treatment process is quick and straightforward:
The entire procedure takes only a few minutes and requires no anesthetic or drilling. The silver particles in SDF will stain the decayed portion of the tooth black, indicating that the treatment is working. This black staining is permanent, but it only affects the decayed area - healthy tooth structure will not be stained.
After SDF treatment, you can resume normal eating and drinking. No special care is required, but good oral hygiene habits are still important to prevent new cavities from forming. This includes:
Keep in mind that SDF treatment only stops the progression of existing cavities - it does not prevent new cavities from developing. Regular dental visits are key for monitoring your oral health and catching any new decay early.
Yes, SDF is a safe and FDA-approved treatment for cavities. The amount of fluoride and silver in SDF is very low, and the risk of side effects is minimal.
SDF will permanently stain the decayed portion of the tooth black, indicating that the treatment is working. However, it will not stain healthy tooth structure.
SDF is typically reapplied every 6-12 months until the cavity is arrested and no longer progressing. Your dentist will determine the appropriate treatment interval based on your individual needs.
