According to science tribune, “Ancient Egyptian papyruses from 1600 B.C. provide recipes for a range of medicinal treatments using salt, particularly in anti-infectives. The ancient Greeks used it for similar purposes, and already knew that more than 2,000 years ago that it had anti-inflammatory effects.
Dentists often recommend saltwater to ease the swelling and pain that can result from having a tooth pulled or having a mouth sore, like a canker.
Salt water mouth rinse has been in existence for a very long time. People use it to clean up various wounds. Salt water rinse can help improve healing after a dental treatment, soothe and heals mouth sores, helps sore throat caused by tonsillitis or even a common cold,it helps to keep the throat clean, it helps to get rid of bad breath, it helps in wiping out bacteria,
Salt water solution is easy to make by adding ½ a teaspoon of salt to a cup of warm water. To gargle, take a deep breath and pour two or three ounces of the solution into your mouth without swallowing. Tilt your head back (roughly 30°), keep the back of your throat closed, and gargle for a full thirty seconds before spitting out the solution.
Always remember to gargle your mouth with salt every hour to bring out your desired result.