Why a crown instead of just a new filling?

Each time a filling is replaced, more tooth structure is removed. At some point, a crown provides better protection than repeatedly replacing fillings.

Old Failing Filling

Replace failing fillings with lasting crowns

Fillings don't last forever. Old amalgam or composite fillings can crack, leak, or fall out, allowing decay to form underneath. When a filling fails, a crown often provides better long-term protection.

Why Act Now

Failing fillings allow bacteria under the tooth surface. The longer you wait, the more decay can spread, potentially requiring root canal or extraction.

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Common Symptoms

Visible crack in filling
Dark lines around filling edges
Filling feels loose
Sensitivity around old filling
Food catches near filling

Common Causes

Age and wear of filling material
Teeth grinding
Bite forces on filling
Decay under filling margins

How We Treat Old Failing Filling

Crown to replace large failed filling

Assessment for decay underneath

Same-day crown for immediate protection

Prevention Tips

Regular dental checkups to monitor fillings

Consider crowning teeth with very large fillings

Maintain good oral hygiene

Wear a nightguard if you grind