A crown is a restoration that covers, or “caps,” a tooth to restore it to its normal shape and size, strengthening and improving the appearance of a tooth.
Crowns are necessary when a tooth is generally broken down and fillings won’t solve the problem. If a tooth is cracked, a crown holds the tooth together to seal the cracks so the damage doesn’t get worse. Crowns are also used to restore a tooth when there isn’t enough of the tooth remaining to provide support for a large filling, attach a bridge, protect weak teeth from fracturing, restore fractured teeth or cover badly shaped or discoloured teeth.
To prepare the tooth for a crown, it is reduced so the crown can fit over it. An impression of the teeth and gums is made and sent to the lab for the crown fabrication. A temporary crown is fitted over the tooth until the permanent crown is made. On the next visit, the dentist removes the temporary crown and cements the permanent crown onto the tooth.
Why crowns and not veneers?
Crowns require more tooth structure removal, hence they cover more of the tooth than veneers. Crowns are customarily indicated for teeth that have sustained significant loss of structure or to replace missing teeth. Crowns may be placed on natural teeth or dental implants.
What is the difference between a cap and a crown?
There is no difference between a cap and a crown.
Do crowns look natural?
Yes. The main goal is to create a crown that looks like a natural tooth. To achieve a certain look, a number of factors are considered, such as the colour, bite, shape and length of your natural teeth. Any one of these factors alone can affect your appearance.
How long do crowns last?
Usually 15-20 years, subject to any habits like grinding your teeth, chewing ice or fingernail biting.