It is a science and an art that not only should be returned to the teeth affected its function but also how, being then the aesthetics, art is a vital part in dentistry.
Resins (white shoes, more aesthetic) are aesthetic restoration of teeth, which can be used on damaged or decayed teeth in which the material used is exactly the resin. This material is worked to the color of the tooth so the result is a cosmetic restoration and enjoyable.
Amalgam (metal shoe, more functional) is considered a filler material durable and versatile than has been in use for over 150 years and has restored the teeth of more than 1000 million people.
Dental amalgam contains a mixture of metals such as mercury, silver, copper and tin that are chemically linked together into a hard substance, stable and secure.