Which type of dental material is primarily used for permanent fillings?

Permanent fillings can be made from several different dental materials, and each type has its unique properties and applications.

Resin composites are often used in anterior (front) teeth due to their aesthetic properties, allowing for a color match with natural tooth structure. They bond to the tooth, which can help reinforce the tooth and reduce micro-leakage, making them a popular choice for lasting aesthetic restorations.

Amalgam is traditionally known for its durability and strength, making it suitable for posterior (back) teeth where chewing forces are greater. Its longevity and resistance to wear make it a practical choice for many dental practitioners when considering a long-lasting filling material.

Glass ionomer is another type of material used for fillings and is especially beneficial for areas that require a release of fluoride, contributing to caries prevention. It is usually used in situations where aesthetics are less of a concern or in cases where the filling will be less exposed to significant chewing forces.

Thus, acknowledging that all of these materials can be utilized in the application of permanent fillings under different circumstances allows for a comprehensive understanding of restorative dentistry. Each material has its advantages, and the choice often depends on factors like location in the mouth, patient preference, and specific dental indications.