When a tooth that has been filled is decayed again, it is necessary to use special instruments to remove the clean decayed tooth tissue, prepare the cavity and fill it with resin.
After filling the tooth and then cavities may be not clean or edge of micro-leakage, teeth secondary caries, bonding edge can be blackened, filling can be loose, secondary caries need to go to the hospital as soon as possible, remove the decayed dental tissue, digging out the bacterial infection of the softened dentin, and then prepare the cavity disinfection cavity, resin bonding. Adjust the jaw to no occlusal high spots.
For teeth with more dentin loss, partial or full crown restoration can be considered. Regular oral checkups in the hospital are recommended on a daily basis, so that problems can be dealt with promptly.