Fillings are restorations that are required when tooth tissue has been damaged due to dental caries commonly referred to as ‘tooth decay’. Caries is a process caused by acid producing bacteria that live on tooth surfaces.

The acid causes damage to tooth structure which may lead to future problems. The bacteria and decay needs to be removed and restored by a filling in order to prevent more damage to tooth structure.

 

The most common type of filling material used is amalgam as this is highly durable and can withstand the grinding motions required by your molar and premolar teeth. There is also a material that can be used as a restoration known as composite. This is tooth coloured and can be matched to the colour of your teeth. These are commonly used in the front teeth that show when you smile. The composite material isn’t as durable as amalgam, therefore this isn't always suitable for molar and premolar teeth.