Three new methods of teeth whitening

People born in the 1970s, this life may bear a grudge tetracyclines, because in those days, people do not know that children should be used with caution in the tetracycline antibiotics, which children happen to the teeth during the excessive use of such drugs, there will be a yellow, brown or gray-black tetracycline.

Teeth coloring there are two main reasons: 1. Endogenous coloring, the teeth by the body's inherent or systemic factors in the growth and development during or after the eruption, resulting in change in the structure of dental hard tissue, teeth, permanent color change. Such as tetracycline, dental fluorosis, children before the age of 8 ingested a large amount of tetracycline antibiotics or excessive fluoride, lead to dentin, enamel structure, resulting in the light of the tooth surface, yellow or gray black. Two. Stain, the main external factors or dental instruments oral local environmental changes, resulting in discoloration of the teeth. Like tobacco, tea, drinks, food and drugs in pigment deposition, attached to the tooth surface, covering the teeth of normal color.

Ultrasonic scaler or hand scaling, restore the normal color of Stain teeth, but you want to stain teeth, cosmetic restoration tetracycline and other difficult.

Bleaching decolonization of bleach role in coloring teeth, tooth coloring some or all of decolonization, medically known as tooth bleaching, decolonization. At present, the common teeth bleaching agents are hydrogen peroxide concentration of 30%, and less irritating concentration of 10% to 15% per acetic urea. Composite resin cover gradually since the 1980s carried out a technology, the natural tooth color composite polymer resin coloring teeth surface, thereby restoring the normal color of the teeth.

Porcelain crown or veneer porcelain crown is very dark in color and accompanied by severe enamel defects tetracycline, bleaching decoloration and Dental experts Secret of acute periapical inflammation symptoms composite resin cover is difficult to achieve satisfactory results, the best choice or paste surface repair.

With white teeth is everyone's desire that I heard there any way to whiten teeth, people wanted to give it a try. Cause tooth coloring of many factors, local factors, systemic factors, exogenous factors and endogenous factors, coloring dental patients the importance of early treatment by a doctor to find out the reasons of tooth coloring, targeted treatment.