Look Great and Feel Confident.
Besides strengthening a damaged tooth, A crown is tooth shaped and can be used to improve and restore its appearance, shape or alignment.
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What is a dental crown?
A crown is an artificial restoration that fits over the remaining part of a prepared tooth, making it strong and giving it the shape of a natural tooth. A crown is sometimes known as a ‘cap’.
Crowns are used to repair teeth damaged by decay or trauma. Porcelain crowns can restore up to 98% of the use of a damaged tooth and 100% of its appearance.
A crown functions as a cap by fitting over and covering the entire surface of the damaged tooth. Porcelain crowns are now more popular because they are more aesthetically pleasing and depending on what exactly they’re made from, can be equally strong and durable. Porcelain crowns are often used to replace unsightly metal crowns.
To place a crown, our cosmetic dentist will carefully reshape your existing tooth so that the crown will have a natural appearance and close fit. Through the use of sophisticated materials and technology, an experienced cosmetic dentist can fit you with a porcelain crown that looks feels and functions exactly like your natural tooth.
Why would I need a crown?
Before and after the Crowns are an ideal way to repair teeth that have been broken, or have been weakened by decay or a very large filling. A crown could be used for a number of other reasons, for example:
- you may have a discoloured filling and would like to improve the appearance of the tooth
- you may have had a root filling and need a crown to protect what is left of the tooth
- it may help to hold a bridge or denture firmly in place.
What is a crown made of?
Crowns can be made of a variety of different materials and new materials are continually being introduced. Some of the most popular options are listed below.
Porcelain bonded to precious metal: this is what most crowns are made from. A precious metal base is made and then porcelain is applied in layers over it.
Porcelain: these crowns are made entirely out of porcelain and are not as strong as bonded crowns. But they can look very natural and are most often used for front teeth.
All-ceramic: this modern technique offers a metal-free alternative, which can give the strength of a bonded crown and the appearance of a porcelain crown. Therefore it is suitable for use in all areas of the mouth.
Glass: these crowns look very natural and can be used anywhere in the mouth.
Gold-alloy crowns: gold is one of the oldest filling materials. Today it is used with other metal alloys to increase its strength, which makes it very hardwearing. These crowns are silver or gold in colour.
How is a crown prepared?
The dentist will prepare the tooth to the ideal shape for the crown. This will involve removing a layer of the outer surface, leaving a strong inner core. The amount of the tooth removed will be the same as the thickness of the crown.
Once the tooth is shaped, the dental team will take an impression (mould) of the prepared tooth, one of the opposite jaw and possibly another to show the way you bite together.
The impressions will then be given to a dental technician, along with information about the shade to use and any other information they need.
What is a post crown?
In root-filled teeth it may be necessary to insert a post into the tooth root before placing a crown. A post gives support and helps the crown to stay in place. The surface of the tooth may be removed down to the level of the gum.
A post can be made of prefabricated stainless steel which the dentist can fit directly into the root canal. Or a custom-made post can be constructed by a dental technician to accurately fit the shape of the prepared root canal. The post is placed into the root canal and cemented in position, ready for the crown to be attached.
Are there any alternatives to post crowns for root-filled teeth?
If a root-filled tooth is not completely broken down, it may be possible for your dentist to build it up again using filling material. This ‘core’ is then prepared in the same way as a natural tooth and the impressions are taken.
What will happen between visits?
A temporary crown will be made so that you can use the tooth while you wait for the crown to be made. This crown may be more noticeable but is only temporary.
How is the crown fitted?
When you and your dentist are happy with the fit and appearance of the new crown, it will be fixed in place with special dental cement or adhesive. The cement forms a seal to hold the crown in place.
How long does the treatment take?
You will need to have at least two visits. At the first visit, our dental team will prepare the tooth, take the impressions, make a note of the shade of your tooth, and fit the temporary crown. At the second visit, your dentist will fit the permanent crown. There will usually be about 1 to 2 weeks between appointments.
Does it hurt to have a tooth prepared for a crown?
No. You will have a local anaesthetic and the preparation work should feel no different from a filling. If the tooth does not have a nerve, and a post crown is being prepared, then you may not need a local anaesthetic.
Will the crown be noticeable?
The crown will be made to match your other teeth as closely as possible. The shade of the surrounding teeth will be recorded, to make sure that the colour looks natural and matches those teeth.
Will the crown feel different?
Because the shape of the crown will be slightly different from the shape of your tooth before it was crowned, you may be aware of it at first. Within a few days it should feel fine, and you will not notice it. The crown may need some adjustment if your bite does not feel comfortable, and if this is the case, you should ask your dentist to check and adjust it.
What will it cost?
Costs will vary according to the type of crown and the material used. We always give a written estimate and treatment plan before starting any dental treatment.
How do I care for my crown?
It is important to keep the crown just as clean as you would your natural teeth. The crown itself cannot decay, but decay can start where the edge of the crown joins the tooth. Brush last thing at night and at least one other time during the day with a fluoride toothpaste, and clean in between your teeth with ‘interdental’ brushes or floss.
How long will the crown last?
How long your crown lasts depends on how well you look after it. Properly cared for crowns should last for many years. Your dental team will be able to tell you how long your crown may be expected to last.