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dental filling (restoration)

a filling is a substance that dentists use to replace a decayed or broken portion of a tooth. commonly used substances for fillings include metal, alloy, plastic, porcelain, or a combination of materials (composite).

composite resins are made from plastic materials (glass and resin) and are usually similar to tooth colour. they are often used on the front teeth where a natural appearance is important. composite resins can sometimes also be used on the back teeth.

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