I rarely use either one and have perfectly healthy teeth and gums. I believe in cleaning from the inside rather than the outside. A diet, like one rich in fruits and veggies, that rids the body of toxins and supplies nutrients to your gums and teeth so they can fight off disease all on their own.
A pause from Mouth Wash vs Warm Salt Water to share philosophy from the past:
Today is: 18th March (GMT), in history on the 18th of March, 1870 AD the following event happened:
1st US National Wildlife Preserve (Lake Meritt in Oakland, California)