Gum scaling does not usually make the gap between the teeth smaller, gum scaling does not affect the size of the gap between the teeth, gum scaling needs to go to the regular hospital to complete. Gum scraping is one of the oral cleaning methods, mainly on the bottom of the gums, deep cleaning, and did not affect the gap between the teeth. Generally the gap has been formed, unless the orthodontic way, or the gap is very difficult to become smaller, gum scraping will not change the size of the gap. Some patients find their gum scraping after the gap becomes smaller, in fact, may be the existence of previous dental inflammation, gums in the red and swollen state, gum scraping gums back to health, the gap from the visual look smaller, in fact, the size of the gap does not have any change. It is recommended that when patients need gum scraping, they should choose to go to a regular hospital stomatology department to complete.