A dental crown is a hand made recreation of a patients tooth created by a dentist and a dental laboratory technician. A crown is often the treatment of choice when the strength of a tooth has been compromised by dental decay, tooth fracture or root canal treatment. Dental crowns are also useful in cosmetic dentistry to enhance a patients smile.
We are able to provide the most exquisite Dental Crowns Bridgesand Dental Implants due to our on-site Master Dental Technician. Few if any other dental offices have an exclusive relationship with a true craftsman.Indications for Dental Crowns
- If the structure of a patients tooth has been compromised by decay to the point that it will not be able to retain a filling or tolerate routine chewing forces.
- When a dental filling becomes so large that the remaining tooth structure is no longer able to tolerate normal chewing forces.
- Crowns are utilized to recreate a missing tooth when a dental implant has been placed.
- Following root canal treatment premolar and molar teeth are not able to tolerate normal chewing force. Dental crowns are used to protect and maintain the treated tooth.
- Occasionally excessive grinding (bruxism) or acid erosion from stomach reflux may damage teeth to the point that dental crowns are required to recreate and protect the remaining tooth.
- When there is a desire to alter the size, shape or shade of a tooth for esthetic reasons, a porcelain crown is an excellent choice.
Modern dentists can choose from several materials to make dental crowns and bridges. There is however no universally ideal material. The choice depends on many factors including the location of the tooth and the aesthetics that are required.
A crown made of gold alloy is the most durable and longest lasting. It resists very well chewing forces, rarely breaks, and it causes no wear to other teeth. The gold's metallic color is the only disadvantage to this type of crown and this factor reduces its popularity. However, gold would be a good choice for a molar that does not appear when a person smiles. Gold crowns are made in our office laboratory. It is necessary to protect the tooth with a temporary crown during the two weeks the crown is being fabricated.
A crown made of porcelain fused to gold is a more esthetic crown than one made of gold alloy. Porcelain can make a crown look very similar to a natural tooth. The gold part, which is located below the porcelain, helps give strength to the tooth. Porcelain is very strong, but is less strong than gold and can fracture. This type of crown is also fabricated in the laboratory with an impression of the tooth, and a temporary crown is needed during that period of fabrication. There are many different brands and types of porcelain crowns, and the variation between the costs of dental crowns at different dental practices may well reflect the quality of the materials used. In our experience a properly executed porcelain bonded to metal crown is the most aesthetic and durable of all crown types. The key is to have a master dental ceramist capable of performing the most artistic reproductions of natural teeth.
An all ceramic crown is considered by many the most aesthetic crown because it is made of porcelain only. Porcelain only crowns are often recommended for front teeth to favor beauty and offer a better looking smile. However the fabrication techniques involved in manufacturing all porcelain crowns do not allow for characterization and personalization throughout the tooth form. Often these all porcelain crowns are monochromatic and look very much like "Chicklets". Even worse than the esthetics we find a number of our patients coming to us from other dentists displaying cracking, fractures and failures in all ceramic crowns.
Procedures for Crown Preparation
Following a thorough evaluation and consultation reviewing the diagnosis and treatment options for your case the dentist can begin the treatment procedure. The preparation of a crown requires two appointments:
- During the first visit, the dentist shapes the tooth by reducing it slightly all around to create space for the crown. An impression of the tooth is made to allow our dental technician to create a model of your tooth. A temporary crown is then placed on the tooth where it will remain until the following appointment.
- A shorter second visit two weeks later is required to permanently cement the new crown to the patients tooth. Your dentist will sit the crown over your tooth to see if it fits with your smile correctly and is the right colour and shape. Once you are both happy with the restoration and how it looks, your dentist will cement the crown firmly into place.
Caring for a temporary crown
A temporary crown is created to protect a prepared tooth during the time when the dental technician is creating the new permanent dental crown. It is less robust and requires some care so that it does not break:
- Avoid sticky foods like caramel or chewing gum, which can dislodge the temporary crown of the tooth.
- Avoid hard foods that could fracture the temporary crown.
- Try not to chew on the side of the mouth where the temporary crown is placed.
- If the temporary crown falls or breaks, do not panic, but call your dentist to warn him.
It's important to remember that even though a crown cannot decay, the area of tooth below the crown may be exposed to cavities and gum disease. Good oral hygiene care should be preserved including tooth brushing and flossing.
During dental checkups, your dentist checks the state of the tooth, the state of the gums, the condition of the crown and its adaptation. It is recommended to go for regular dental checkups every six months to verify the general situation of the mouth and teeth.
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