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What are Dental Crowns? Has your dentist recommended that you have dental crowns to restore the shape, size, strength, or appearance of your teeth and you found yourself asking "What are they?" Essentially, a crown is a type of restoration that completely caps or covers a damaged tooth or dental implant. Generally speaking, dental crowns are the treatment of choice when a large cavity poses a significant risk to the health of your tooth. Because they are fully encasing the visible portion of your tooth, they provide excellent protection for weak teeth. Why Crowns? There are several reasons your dentist will recommend this type of treatment. Dental crowns are: Protect weak teeth from decay or breakage.
Hold together cracked teeth.
Restore the appearance of broken or worn teeth.
Cover and support teeth with large fillings, especially when there is not much tooth remaining.
Support dental bridges.
Restore misshaped or discoloured teeth.
May cover an implant. Different Types Permanent crowns are usually made of one of four materials: metal, porcelain fused to metal, resin, or ceramic. Metal Crowns constructed from metals may include gold alloy, other alloys such as palladium, or a base metal alloy such as nickel. When using metal, your dentist or orthodontist will need less tooth structure to successfully affix the crowns. In addition metal crowns are less likely to impact opposing teeth. As metal crowns hold up well to biting and chewing, as well as providing the best long term solution, they are a popular treatment option. Unfortunately, the metallic colour makes crowns made from metal less natural looking so some patients prefer an alternative type of crown. Nevertheless, these crowns make an excellent treatment for back molars. Porcelain fused to metal The primary benefit of porcelain-fused-to-metal crowns is that they can be matched to the colour of your natural teeth. Alternatively, unlike metal, porcelain crowns are more sensitive to wear from chewing, as well as causing more wear on opposing teeth. Porcelain also chips or breaks much more easily than metal crowns, meaning they tend to have a shorter lifespan. Resin Resin crowns are the least expensive type of crown, but they tend to wear down over time and are more susceptible to fractures than porcelain or metal crowns. Ceramic Finally, ceramic crowns provide excellent colour matching as they can be colour matched to your natural teeth and even other crowns, they also provide more durability than resin crowns. Of course, metal crowns are still the strongest and most resistant to damage, but ceramic crowns make a good choice for front teeth as far as aesthetic is concerned. If you have doubts about quality of the crowns, always consult with leading dental company, they will help you to choose trusted vendor.
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