Best dentist in Adambakkam | When to Replace Dental Fillings Dental fillings don’t last forever. At Dr. Akkshaya Dental & Aesthetics, we recommend regular checkups to spot signs of wear, cracks, or leakage. If you notice tooth sensitivity, pain when biting, or visible damage to your filling, it may be time for a replacement. Timely replacement prevents decay from progressing and protects your tooth from further damage. Our expert team ensures the process is quick, painless, and precise.