Silver Diamine Fluoride
Silver diamine fluoride (SDF) and Silver Fluoride (SF) are antibacterial liquids that have been used in Dentistry for a long time. The liquid has silver and fluoride ions and combines the antibacterial effects of silver and the remineralising effects of fluoride. The fluoride component strengthens the tooth structure and SDF as a whole disrupts the forming of bacteria.
SDF is an extremely cost effective and minimally invasive solution to manage tooth decay in young children and the elderly.
Signs you might need SDF Treatment
We use Silver Diamine Fluoride for tooth decay and tooth sensitivity cases. SDF is mainly used in children or the elderly due to it’s staining nature (see below). Treatment with SDF does not eliminate the need for dental fillings or crowns and additional procedures might be required.
Silver Fluoride Application Procedure
The procedure consists of drying the affected area, placing a small amount of SDF/SF on the affected area and allowing it to dry for at least one minute before rinsing with water. We may ask you to return for repeat applications and it is more effective when we apply it twice yearly.
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SDF considerations
It’s important to know the risks associated with Silver Fluoride treatment. Below are a few items to consider:
- If you have an allergy to Silver, have painful sores or raw areas in the mouth, we do not recommend application of SDF
- The areas of tooth decay will stain black permanently, however healthy tooth structure will not stain. Stained tooth structure are replaceable with a filling or a crown later if required.
- Tooth-coloured fillings and crowns may discolour if SDF/SF is applied to them. Colour changes on the surface can normally be polished off however the edge between a tooth and filling may keep the colour.
- If SDF is accidentally applied to the skin or gums, a brown or white stain may appear that causes no harm and will disappear in one to three weeks.
- You (or your child) may notice a metallic taste that will go away rapidly.
- There is a risk that the procedure will not stop the decay and no guarantee of success is granted or implied.
- If tooth decay is not arrested, the decay will progress. In that case the tooth will require further treatment, such as repeat SDF, a filling or crown, root canal treatment or extraction.
Alternatives to SDF include no treatment, which may lead to continued deterioration of tooth structures and cosmetic appearance and symptoms may worsen.
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Common Problems
Frequently Asked Questions
How much does a Silver Diamine Fluoride application cost?
The cost per application is roughly less than a consult fee and usually requires at least 2 applications.
How long does SDF last?
Reapplication is generally required yearly, or until the tooth is restored in a different way.
Can you eat after having Silver Fluoride?
Yes, however we recommend to wait at least 30mins after the procedure, especially if you’ve also had fluoride varnish applied.