How to Compare Silver Alloy, Gold, Porcelain or Resin as a Filling for Cavities
When a tooth is damaged by tooth decay to the point of causing a cavity, it is necessary to get a filling from a dentist to restore the tooth and prevent additional decay. After the decay is removed, a filling material is bonded to the tooth. There are several different types of filling materials used, including silver alloy (also called amalgam), gold, porcelain and composite resin. No one type of material is right in every situation. To decide which one will work for your cavity, you have to consider many different factors.
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Instructions
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Have a dentist examine your cavity and discuss options. With cavities that are very large, composite resin fillings may not be recommended because it can chip or erode over time. Typically, resin fillings only last 3 to 10 years.
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Compare the costs for each type of filling material and consider how much you can afford to pay to get your teeth filled. Some filling materials are significantly more expensive than others. Gold and porcelain are the most expensive options, and silver alloy and composite resin are relatively less expensive.
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Consider the location of the cavity when you compare the different filling options. While all materials are commonly used in back molars, composite resin is the most common choice for fillings in front teeth because it can match the color of the teeth closely.
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Determine how much the appearance of the tooth matters to you after it has been filled. Porcelain and composite resin are considered the most attractive materials for tooth fillings because they closely mimic the color of teeth. Silver alloy and gold fillings are comparatively very noticeable.
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Compare the durability of the different filling materials for your cavities when looking for a restoration that will last as long as possible. Gold fillings can last 20 years or more, and porcelain lasts much longer than resin. Silver alloy fillings can become tarnished or corroded over time and may only last 5 to 7 years.
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Take staining into account. People who drink a lot of coffee, dark colored sodas and tea or who smoke regular may want to avoid filling cavities with composite resin, as it tends to stain more easily than other materials.
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Tips & Warnings
People frequently have silver alloy fillings removed and replaced with porcelain or composite fillings to improve the appearance of their mouths.
People occasionally have allergic reactions to some types of filling materials. In such cases, the filling is removed and another material is selected.
