Tongue scraping is a practice that you can do to support good oral health. When the digestive fire (agni) is low or variable, it is inefficient at digesting your food. The result is ama (metabolic wastes, toxins). This ama gets deposited on the back of the tongue, and you can see it in the morning when you look in the mirror and stick out your tongue. Tongue scraping removes this ama. It also supports an optimal digestive fire (agni).