A crown, also called a cap, is a covering that encases the whole tooth structure and gives it shape and structure and is needed for broken or fractured teeth, cosmetic enhancement, fractured fillings, large fillings, or if a tooth has a root canal.
A crown protects and strengthens tooth structure that cannot be restored with fillings or other types of restorations.
There are several types of crowns:
– Gold alloy
– Metal alloy
– All resin
– All Ceramic, also called Porcelain
– Porcelain-to-zirconia fused or porcelain-to-metal fused
Porcelain (tooth colored crown) are the most popular and can be matched very closely to natural teeth. However, consulting with the dentist should help you decide the type of crown best suitable to your particular treatment.
Firstly a temporary crown is made from a mold taken of the teeth. After that, the bite is measured and accurate spacing ensured, and if the crown fits well a permanent crown is made.
It is to be noted, that crowns are highly durable and will last many years, but like most dental restorations, they may eventually need to be replaced.