There is no question of which is better, sandblasting or polishing of the teeth, because in clinical work they are two different sessions under one treatment, both are part of the steps to clean the tooth surface. Because nowadays people often smoke, drink tea, eat pigmented drinks or food, so the tooth surface is often deposited with smoke and tea stains, as well as with the oral teeth color is not the same pigmentation, pigmentation brushing is not easy to remove, the application method is sandblasting. Sandblasting can be better and faster to remove the material on the tooth surface, but the tooth surface may have a rough feeling after spraying, then it is necessary to regain the gloss of the tooth surface by polishing, so sandblasting and polishing are two parts of a step, there is no question of which is better.