Gargling with salt water does kill germs in the mouth.
Gargling with salt water kills some germs in the mouth as well as some mouth bacteria by drawing water out of them through osmosis, and creates an alkaline environment where the germs and bacteria struggle to survive, which helps to reduce gum disease, bad breath and even cavities.
Although gargling with salt water does not eliminate or kill all germs and all bacteria in the mouth, so it's important to continue to brush your teeth regularly, use floss and mouthwash as well.
Dentist often recommend gargling salt water due to it's gentle, anti-inflammatory and healing properties.
Salt draws water out of bacterial cells, which dehydrates the bacteria and kills them.
The salt water also raises your mouth's pH, which creates a less acidic and less hospitable environment for harmful bacteria.
The salt water also washes away debris and helps dislodge food particles that are stuck between your teeth.
Gargling with salt water fights bacteria that causes cavities, plaque and gum disease or gingivitis.
And the salt water soothes irritation and reduces pain, swelling and inflammation from sore throats, canker sores and gum infections and speeds up healing after tooth extractions or other minor mouth injuries.
The salt water also freshens breath and eliminates odor causing bacteria and food debris.
To gargle with salt water, mix around 1/2 teaspoon of salt in 8 ounces of warm water.
Then swish the salt water for 15 to 30 seconds in your mouth and then spit it out, do not swallow in large amounts.
Use the salt water gargle twice daily, especially after meals or when experiencing any inflammation.