Dental crowns and bridges are among the most common restorative procedures, designed to rebuild damaged teeth or replace missing ones while maintaining natural function and aesthetics.
Dental Crowns
A crown (cap) covers the entire visible portion of a tooth that has been weakened by decay, fracture, or root canal treatment. Modern crowns are made from porcelain, zirconia, porcelain-fused-to-metal, or gold. Zirconia and all-ceramic crowns are the most popular choices due to their excellent aesthetics and strength. The procedure typically requires two visits: the first for preparation and impression, the second for fitting the permanent crown.
Dental Bridges
A bridge replaces one or more missing teeth by anchoring prosthetic teeth to the natural teeth on either side. The anchoring teeth are prepared similarly to crown preparation. A bridge distributes biting forces and prevents the remaining teeth from shifting. Alternatives include dental implants, which do not require preparation of adjacent teeth.
Materials
Zirconia offers the best combination of strength and aesthetics for posterior teeth. Lithium disilicate (e.max) provides superior translucency for anterior teeth. Your dentist will recommend the appropriate material based on the tooth's location and the forces it must withstand.
Longevity
With proper oral hygiene and regular dental visits, crowns and bridges typically last 10 to 15 years, with many lasting significantly longer. The most common causes of failure are secondary decay at the margins and cement washout.