The gingival sulcus (or gingival crevice) is that little ridge in your mouth where your teeth meet your gums. Keeping it clean is crucial for gum and tooth health. Good oral hygiene is important — and ...

MUCH like the cuff of a sleeve fits snuggly against the wrist, the gum tissue in your mouth fits tightly around each tooth. Think of the gingival sulcus as the space between the edge of the sleeve and ...