Endogenous tooth blackening includes tetracycline teeth and dental fluorosis. Tetracycline teeth are caused by children taking too many tetracycline drugs in infancy or when their mothers are pregnant. Dental fluorosis is caused by children living in high fluorine areas or with high fluorine content in water. Generally, endogenous tooth yellowing is rare and cannot be treated by external whitening.

Exogenous tooth blackening

The exogenous black substance of teeth is early tooth decay. In the early stage of tooth decay, black spots or black spots appear on the surface of teeth, not tooth decay.

therapeutic method

This kind of tooth blackening is treatable. For example, brushing children's teeth with effective anti-tooth toothpaste (such as oral V tooth cream for children) or coating fluoride on the black spots can control the development of tooth decay and repair the early black spots of teeth.