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The Materials used in dentistry

- Jul 06, 2018 -

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Composite

The aesthetic fillings exist since a long time, but the recent development of composite resins (by 3M) made a great impact in dentistry. Today this material is the first choice in conservative restorative dentistry, thanks to the important progress made for pulp protection and in the adhesive techniques. The composite is inserted into the cavity and hardened with a polymerisation lamp. These fillings are sometimes sensitive to cold for a couple of weeks.

Composite is also used to seal permanently crowns and bridges.


Gold

In dentistry gold is found in the form of gold alloys. It is an ideal material because of its harmlessness, precision, and rigidity, which is essential for important prosthetic realisations. It is mainly used for posterior reconstructions. Grey gold is usually chosen because it is less visible.

Ceramics

Because of the vast aesthetic possibilities they offer, the ceramic restorations have become the material of choice in fixed prosthetics (Crowns and Bridges). Its drawback is that it is extremely hard and can sometimes fracture.

Steel (chrome-cobalt)

This material is used in removable prosthetics for framework and clasps.

Titanium

It is used in implantology due to its antiallergic qualities. It can also be used in rare cases of metal allergy with removable prosthetics.

Acrylic resin

It is used to make the artificial gingiva in removable dentures. The teeth of dentures are made of acrylic resin or ceramics.

Zirconium

Zirconium is mainly used for the framework of fixed prosthetics. It is a type of CADCAM ceramic used in dentistry for the last 20 years, popular due to its biologic compatibility and its aesthetic properties.