Dental Filling Material
Dental fillings are made of different material which are used in the modern cosmetic dentistry practice. They are divided into onlay (outside the tooth) and inlay (inside). In this article, there is a brief discussion on the different dental filling materials.
Dental filling material
It consists of mercury (approximately 50%) and differing amounts of other metals such as silver (mostly 30%), zinc, tin and copper. This type of filling last for 5 to 10 years (expected) but some filings may last even up to twenty years. It is the cheapest of all but it takes some time to get inserted.
This type is the brand new dental filling material which consists of silver, copper, tin, indium and gallium. It is meant to be with mercury-free and an alternative to the amalgam fillings.
It is the most popular inlay dental fillings which is made of a special plastic material which bonds chemically to the tooth structure. This type of dental filling material lasts for 5-7 years, but the smaller filings with direct composite last much longer than other materials. This types of dental fillings cost more and takes more longer time to insert than amalgam, but its advantages makes it worthy.
Indirect composite onlay/inlay filling:
This type of filling material is used when an idea anatomy, durability and fit is desired, that is achieved seldom with the direct composite filling. It costs 2 to 3 times more than the amalgam and takes about 2 visits to set in.
This type of dental filling is used only when maximum strength is a concern and desired and when the appearance is not at all a concern. It cost 3 to 4 times more than the amalgam and takes 2 visits to set it.
This type is used when the gold filling is not possible. It cost, time for insertion and perform and benefits are as same as gold filling. Inspite of the fact that the metal is not so precious.
These are some of the dental filling materials which are used for cosmetic dentistry. It is very important for every individual to know about the pros and cons of types of dental fillings they have chosen.