When it comes to dental cavity fillings, there are different types of materials that can be used. The choice of filling material depends on factors such as the size and location of the cavity, aesthetic preferences, durability, and cost. Here are some common types of cavity fillings:
1. Amalgam Fillings
Amalgam fillings, also known as silver fillings, are made from a combination of metals including silver, tin, copper, and mercury. They are durable, long-lasting, and less expensive compared to other filling materials. However, their silver color can make them more noticeable in the mouth.
2. Composite Fillings
Composite fillings, also called tooth-colored or white fillings, are made from a mixture of plastic resin and glass or ceramic particles. They can be closely matched to the natural color of the tooth, making them aesthetically appealing. Composite fillings are versatile and can be used on both front and back teeth. They bond well to the tooth structure but may not be as durable as amalgam fillings.
3. Ceramic Fillings
Ceramic fillings, also known as porcelain fillings, are made from a high-strength dental ceramic material. They are highly aesthetic and can be color-matched to the natural tooth shade. Ceramic fillings are resistant to staining and provide excellent durability. They are often used for larger cavities and in areas that require high strength.
4. Glass Ionomer Fillings
Glass ionomer fillings are made from a combination of glass powder and an acrylic solution. They release fluoride, which can help prevent further tooth decay. Glass ionomer fillings are used for small to medium-sized cavities, especially in areas with less chewing pressure. They have a tooth-colored appearance but may not be as durable as composite or ceramic fillings.
5. Gold Fillings
Gold fillings, also known as gold inlays or onlays, are made from a mixture of gold and other metals. They are highly durable and can last for many years. Gold fillings are custom-made in a dental laboratory and require multiple visits to the dentist. They are usually more expensive than other types of fillings and are often used for large restorations or in areas with high chewing pressure.
The choice of filling material should be made in consultation with your dentist, taking into consideration the specific needs of your tooth and your preferences.