A Closer Look at Cavities (1:41)

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Tooth decay is a process which can result in cavity (hole) formation if not treated early. The outer layer of the tooth enamel is made up of mineral crystals. When you allow plaque to remain on and between your teeth, the acids produced by plaque bacteria cause microscopic loss of the enamel's essential minerals. Once enough minerals are lost, the weakened enamel breaks down forming a cavity (hole) that exposes the softer dentine layer of the tooth.

Look after your teeth, help prevent cavities

Bacteria that live in your mouth can stick to your teeth cause cavities. Use one of our fluoride toothpastes to prevent cavities.