Why do I have to replace those existing fillings?
Back in the old days, a material of choice for dental cavity filling was that silver (amalgam) filling.
Even though it's mercury, it's been proven safe. Or so we thought.
However, Lewisville Cosmetic Dentist, Dr. Park does not approve these silver fillings in his office for several reasons.
1. Always hairline fracture noted around these silver fillings. Thus,it's safe to believe it weakens the surrounding natural tooth structure, making your tooth prone to tooth fracture.
2. Since it's heavy metal, over time, it corrodes. In doing so, it stains your tooth dark. ...