You may have had a dental crown fitted in the past but what you may not know is whatever material they are made from, be it porcelain or gold or zirconium, they don’t last forever.
There are variety of reasons as to why a crown needs to be replaced:
- Cracked or broken crowns:
- Crowns are made of only porcelain, porcelain fused to metal or gold for added strength or zirconium.
- However, they can crack or break, especially when trauma is involved. If you have had a fall, bitten on a hard toffee or have been injured in contact sports, you can damage your crown.
- Excessive Wear – Formation of a holeon the crown or wear to the opposing natural teeth
- As with most things, over time crowns start to age and deteriorate.
- A hole might start to appear in a gold or metal crown, and wear can be seen on opposing teeth, with PFM crowns, especially if you are prone to grinding your teeth.
- Complications With Tooth Decay
- The margins, the junction/joint between the crown and the tooth underneath, can start to leak, causing decay.
- All types of crowns are equally at risk.
- Regular checkups with your dentist will make sure you spot any indications of decay forming beneath your crown early on.
- Aesthetically Unappealing:
- Over time, gums shrink and as they shrink back they leave the margins exposed, often displaying unsightly black margins.
- The porcelain on white crowns can also change texture or pick up stains over time. This is more noticeable with any porcelain crown but especially with PFM’s.
These are good indications you should have your crown replaced for functional, health and aesthetic reasons.
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