How do I make a salt water rinse?

To make a salt water rinse, simply mix ½ teaspoon of table salt in one cup of warm water. Stir until the salt is completely dissolved. Then transfer approximately ¼ cup of solution to your mouth and gently swish for 30 seconds, being sure to force the water over any areas that feel particularly tender. Then spit the water into the sink. Repeat until the entire cup is gone.