- 1. Professional Teeth Bleaching in Shanghai: What to Expect
- (Dental Shanghai)
- ... and the perceived social value of the provider. For this reason, it is advisable to research the available service providers carefully and compare prices. There are two broad categories of tooth-whitening ...
- 2. What are the Causes of Bleeding Gums?
- (Dental Shanghai)
- ... problem. Other, non-biological causes may include: Jabbing at our gums with a toothbrush, cutting ourselves when flossing or inserting dentures, biting down on hard objects, or using aggressive chemicals ...