If the gums are black and purple, you should go to a regular dental institution as soon as possible to find an oral surgeon for examination to determine the cause of the black and purple gums, and treat the cause. Specifically as follows: 1, due to teeth and roots above the tartar and lead to black, purple gums, doctors usually use periodontal cleaning, is commonly known as scaling, the tartar completely removed, the gums will return to normal color; 2, due to metal porcelain teeth inside the metal penetration into the gums inside the gums black, purple gums, usually to remove the metal porcelain teeth, replaced by all-ceramic teeth without metal, the gum The color of the gums will also be somewhat improved; 3, due to the melanin aggregation caused by the gums black, purple, currently you can use the laser to remove the internal coloring of the gums, so that the gums back to a normal color. In short, if you find that your gums are black and purple, you should see your dentist for an early examination.