SDF (Silver Diamine Fluoride)

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It's a colorless liquid medication that dentists can apply to teeth to help stop tooth decay (cavities) from growing. 

Think of it like a liquid bandage for cavities. The silver in SDF helps to kill the germs that cause decay, and the fluoride helps to strengthen the tooth and prevent further damage.

For very young or uncooperative children who may not be able to tolerate extensive dental work immediately, SDF can stop the decay from worsening until they are older or more comfortable with treatment.