Inside your mouth is a whole community of microbes which are hard at work restoring the natural pH in your mouth after it drops to around three (which is quite acidic) every time you eat or drink something. This is why you produce more saliva when you eat: the saliva and the microbes within it coat the teeth and essentially restore the mineral that’s been lost by exposure to an acidic environment. However, as the pH in your mouth decreases or becomes more acidic, the composition of your oral microbiome