A tooth with significant damage will need a dental dental crown or cap. This restoration can restore the form and function of your tooth. Getting a large filling or a root canal will need a cap to protect and strengthen the tooth. If you want to know how a dentist will use a dental crown…
Metal Crowns vs. Porcelain Dental Crowns
For patients in need of dental crowns, there are plenty of options available. Two of the most common choices are porcelain crowns and metal crowns (often with a porcelain overlay fused to the metal). Depending on a patient's specific circumstances, one of these crown types may be the preferred option.
Metal crowns have the advantage of being exceptionally strong. They can be made from stainless steel or a variety of metal alloys. However, since they cannot be matched to the color of a patient's existing teeth, they are not used as often as they once were.
In some cases, metal crowns are still used for molars that are very far back in the mouth. They take longer to wear down than porcelain crowns and very rarely break as a result of biting or chewing. There is some risk of corrosion with metal crowns, but most metal alloys used for crowns are highly corrosion-resistant.
A common alternative to all-metal crowns are crowns made by fusing porcelain to metal. With these dental crowns, a patient has the advantage of the strength of metal, but the porcelain overlay can be color-matched to teeth. With a porcelain-fused-to-metal crown, the porcelain may eventually chip, exposing the metal beneath. Patients may also be able to see a dark line where the crown meets the gumline.
Porcelain-fused-to-metal crowns are a good choice for patients who want a crown that is color-matched but still can withstand significant biting or chewing force. These crowns can be used for front or back teeth.
For patients looking for dental crowns with the most natural color matching possible, porcelain crowns may be the better option. They are made with several layers of porcelain, each with a slightly different color, and they come closer to looking like a natural tooth compared to other types of dental crowns. With porcelain crowns, patients also do not need to worry about the dark line often seen at the gumline with porcelain-fused-to-metal crowns. Because there are fewer aesthetic concerns, porcelain crowns are commonly used for front teeth, but they can sometimes be used for back teeth as well.
However, porcelain crowns are not as durable as metal crowns. Because they do not have the stronger layer of metal beneath the porcelain, they can be more prone to fractures over time. In more recent years, some dentists have begun using crowns made with layers of both porcelain and zirconia. Zirconia is an extremely durable ceramic that, like porcelain, can usually be color-matched to a patient's teeth. Porcelain-zirconia crowns are stronger than traditional porcelain crowns, and they may be ideal if excessive wear or eventual breakage is a concern. Both all-porcelain and porcelain-zirconia crowns are a potential option for patients with metal allergies.
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For patients in need of one or more dental crowns, it is often wise to discuss the benefits and drawbacks of both metal and porcelain crowns with a dentist. By taking into account the location of the affected tooth and the patient's individual preferences, the dentist and patient can decide together on the right material to use.
Dental crowns are supposed to last forever, right? In the right set of circumstances, they could. Some crowns will last several decades while others will last a lifetime. Then there is the dental crown that comes loose for one reason or another. A loose crown means that a trip to the dentist is in the…
Dental crowns can restore your natural smile and dental function. Many individuals suffer from low self-esteem due to their teeth condition, but this improves when they get dental crowns. However, these crowns are not inexpensive, and you must keep them in good shape to ensure that they last a long time. Dental crowns will last…