What are the materials for filling teeth?

Considering that teeth need to bear the pressure of chewing, the choice of filling materials is very important. Dental filling materials can be roughly divided into metal materials, composite materials and ceramic materials. Different colors of different materials will also affect the overall beauty of teeth.

Common filler materials are as follows:

1, composite resin

Composition: It consists of resin matrix and inorganic filler.

Uses: It is mostly used to fill the cavities of anterior teeth, and high-strength composite resin can also be used to fill the occlusal surface of posterior teeth. Bonding technology can also be used to repair teeth with serious tooth defects.

Service life: at least 5 years.

2. Silver amalgam

Composition: A mixture of silver, tin, zinc, copper and mercury, with a mercury content close to 50%.

Objective: To fill the posterior teeth.

Service life: at least 10 years or longer.

3. Casting gold

Composition: Gold alloy (gold mixed with other metals).

Uses: inlay, high inlay, crown.

Service life: at least 15 years.

4. Pottery

Composition: porcelain.

Uses: Inlays, onlays, crowns, veneers, implants and orthodontic accessories.

Maintenance time: more than 7 years.

5. Glass ions

Ingredients: acrylic acid, glass and fluoride.

Purpose: Glass ion is the most commonly used cement in crown filling, and it is also commonly used to fill anterior teeth, neck or root surface. Glass ions are usually used for patients with multiple caries. It is also often used to fill children's teeth or as bedding.

Maintenance time: more than 5 years.

Cost: amalgam