20 June 2026
Dental restorations are designed to last for many years, but they are not permanent. Over time, fillings, crowns, and other restorations experience wear and tear from daily chewing, temperature changes, and normal aging. Many patients assume that if a restoration isn't causing pain, it's functioning perfectly. Unfortunately, dental problems often develop underneath old restorations without noticeable symptoms.
How Restorations Age
Every restoration experiences stress.
Factors that contribute to wear include:
- Chewing forces
- Grinding
- Temperature fluctuations
- Natural aging
- Bacterial accumulation
Even high-quality restorations eventually require evaluation and replacement.
Signs Your Restoration May Need Attention
Cracks or Chips
Small defects can compromise the integrity of a restoration.
Sensitivity
New sensitivity around a restored tooth may indicate leakage or deterioration.
Dark Margins
Discoloration around a filling or crown can signal bacterial infiltration.
Bite Changes
A restoration that feels different when chewing may require adjustment or replacement.
Why Early Replacement Matters
Ignoring aging dental work can lead to:
- Recurrent decay
- Tooth fractures
- Root canal treatment
- Tooth loss
Routine exams help identify concerns before complications develop.
Frequently Asked Questions
How long do fillings last?
Many fillings last 7–15 years, depending on size and material.
Do crowns need replacement?
Eventually, most crowns require replacement due to wear.
Can decay form under old restorations?
Yes. This is a common reason for replacement.
How can I tell if a filling is failing?
Only a professional examination can reliably determine restoration health.
Protect your smile by having your existing dental work evaluated regularly. Schedule your appointment at Pacha & Bijan Dental today.
