When tooth has carries, the decayed part is removed from the tooth and tooth is prepared to get filled with fillings materials. There are different types of fillings.
Light-Curve Composite(Tooth Colored )fillings: Material used is composite resin which is cured using light cure machine. Matches well to natural tooth and also it is a good option strength wise. Ideal for restoration of front teeth, broken teeth and even back teeth
Amalgam: Material used is silver and mercury which is self setting after they are mixed. Good strength and are ideal for back teeth. Aesthetically not preferred. Given a choice these days, composite resins are widely preferred.
Inlays/On lays: Material used are metals and ceramics for restoration of any teeth. Paticularly back teeth. strength is good.
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