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What is Dakin's Solution?

Dakin’s solution

What is Dakin’s Solution?

Dakin’s solution is used to kill and prevent the growth of bacteria or germs in wounds. You can think of the infection present in your mouth like an open wound, caused by specific bacteria. If we can kill and control the germs, we hope to keep the infection under control.

This recipe for Dakin’s solution allows you to affordably mix your solution at home. The germ killing part of the solution is Sodium hypochlorite solution 5.25%.

That’s right. Bleach!  What better way can you think of to clean a germy area than bleach?  In a diluted solution, it will have the same effect on the germs causing the infection in your mouth.

We recommend the full strength solution which is about a 1:20 dilution.

The above recipe creates a sterile bath of Dakins; the sterility prolongs the effectiveness of the solution (48 hours typically but may be up to 7 days). You can make a small solution that is non-sterile (no boiling) to use right away.

Another option is to buy Dakin’s solution pre-bottled (full strength) and formulated in a way that the shelf-life is one year.

We recommend swishing Dakin’s solution (or homemade solution) 2 times a week for one full minute.  You can use Dakin’s solution to irrigate under the gums using a Waterpik (water flosser) 2 times a week as well, but the solution may corrode the unit over time.  Diligent brushing and flossing are recommended first to avoid the possibility of the solution causing staining.  If a stain does develop our hygienists can easily remove it for you at your next hygiene appointment.


Laura McCaslin
Laura McCaslin

Laura graduated with top honors from the University of Maine at Augusta/Bangor dental hygiene program in 2011. Since then she has been pursuing her passion in dental hygiene and continued her education graduating with a Bachelors degree in Applied Science and Biology minor. She joined the Seasons of Smiles team after having her daughter in 2014.

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