Black incisors, generally due to dental caries caused by the teeth, usually the film examination can be found in the teeth were translucent shadow, this situation needs to be removed with a dental drill caries part of the caries, and then filled with resin, so that the aesthetics of the higher. In addition, if the caries area is large, you need to do inlays or dental veneer repair, at the same time, if there is a leakage of the nerve phenomenon, you can do to kill the nerve treatment, you can do a thorough root canal treatment and then do ceramic braces to repair, so that can play a role in the role of aesthetics, but also play a role in the role of solid stabilization. In addition to the black incisor gap, if not caries, just the surface of the black stains, this situation is generally caused by plaque long-term adhesion, and usually need to be scaled to be able to remove the general choice of ultrasonic shock way to remove these black stains scaling, and it is recommended that regular cleaning, you can use the gap between the brush or flossing to remove the inside of the plaque, and generally need to be polished and medicated. Polishing and medication are also required.