Cavities and Fillings

Cavities

Cavities are a destruction of the tooth enamel. They occur when foods containing carbohydrates (sugars and starches) such as milk, pop, raisins, cakes or candy are frequently left on the teeth. Bacteria that live in the mouth thrive on these foods, producing acids as a result. Over a period of time, these acids destroy tooth enamel, resulting in cavities. This process is also called "tooth decay." 

Fillings

One of the most frequently used dental restorations for repairing cavities is called a filling. There are two basic types of filings, silver fillings that consist of a mixture of different types of metal and tooth colored fillings.  How and where these fillings are applied varies with the need of the person. Dental decay can occur on the smooth areas of the teeth as well as the biting surface. The location of the cavity plays an important role in what type of filling will be used to repair it. Before beginning treatment the dentist will usually administer some type of local anesthetic to make sure you are comfortable. The area of decay is then removed from the tooth and the resulting hole is filled with the appropriate material. Your dentist will recommend which type of filling best suits your needs.

Onlay

Made of a strong, natural-looking material, such as porcelain, onlays are larger restorations, extending over one or more sides of your tooth, and can be used similar to a crown or cap. A conservative tooth restoration that requires far less tooth removal than its metal counterpart, an onlay increases tooth strength and provides enduring protection for the tooth.

Unlike metal fillings, an onlay can often be used to repair only the damaged portion of the tooth, leaving much more of the original tooth structure intact.

White fillings- before and after

Onlays- before and after

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