(This phrase acts like a noun. It is the direct object of the verb stopped. This phrase is a gerund phrase.) I stopped believing in Santa Claus when my mother took me to see him in a department store, and he asked for my autograph. (This phrase acts like a noun. It is the subject of the adverbial clause when my mother took me to see him in a department store.) I stopped believing in Santa Claus when my mother took me to see him in a department store, and he asked for my autograph.  It is the object of the preposition for.)
Ive googled 'white in extraction site'(!) and had some conflicting info: 'The white material is the blood clot; your rinsing has merely washed away the red blood cells and left the clotted fibrin material, which is white. This is normal, and is of no concern'. The second: 'White color in the extraction cavity...
To heal your gums faster after a tooth extraction, you will need: 1  An ice pack. 2  Salt. 3  Gauze. Warm water.  Soft, cool 1  foods. Form a blood clot. In order for your gums to heal at all, let alone faster, after a tooth extraction, you will need to get the bleeding under control by helping your body to form a blood  clot.