Tooth surface with a layer of enamel, dentin is inside, it is the main body, the teeth with dental pulp cavity, with the increase of age, thickening of dentin also slowly inward, dental pulp cavity is becoming more and more small. The dentin is thickened and yellows, and the color is revealed through the enamel.
Ultrasonic tooth can remove pigment on the surface of the teeth, dental plaque and dental calculus, was in part a have beautiful white effect, but ultrasonic tooth can't completely change serious pigment deep effects on the teeth.
Ultrasonic can clean teeth, periodontal disease prevention, and improve the oral environment, the average or ordinary teeth color pigment problems can be solved, if encounter problems more serious stubborn pigment, still need through cold light whitening teeth white.
