white fillings 
Made from composite resin material (Composite Resin), which the filling materials will have the color of dentin. Made of resin mixed with other chemicals such as Urethane Dimethacrylate: UDMA), Triethylglycol Dimethacrylate: TEGDMA), dentists will fill teeth using resin materials. composite molding to get the desired shape and then used to fill the missing dentin Then incubated with visible light waves to solidify the material.
The advantages of composite resin materials
Composite resin material does not contain mercury. Tooth color is close to natural teeth, beautiful, and the use of composite resin fillings. The dentist will remove a small amount of dentin to fill the tooth to preserve the dentin.
Limitations of composite resin fillings
Composite resin fillings cost more than amalgam fillings. with an average price of 800 -1,700 baht / side and a service life of 7 – 10 years. and takes longer to fill than amalgam fillings as well
silver tooth filling
Amalgam or silver-colored metal fillings It is a compound of silver, lead, tin, copper, and possibly a few other components. Collected in the form of alloy or alloy (alloy) is soft, semi-liquid, which dentists can press into the cavity. and decorated to be shaped like natural teeth
Advantages of amalgam metal fillings
They are cheaper than composite resin fillings. The price is 500 -1200 baht / side. It is often used to fill the posterior teeth such as molars and premolars. which has less chance of recurring tooth decay And has a longer service life than composite resin filling materials, at 10 – 15 years, and does not require complicated filling procedures and has a low reaction to moisture
Limitations of amalgam metal fillings
Amalgam metal fillings have to wait at least 24 hours for the material to harden. So it can be chewed. It is also not colored like natural teeth. may make it look unattractive and requires more grinding to embed amalgam fillings than resin composites.