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Controversy surrounds decisions on whether to repair or replace defective dental restorations. The concept of built-in obsolescence, ie periodic replacement of dental restorations, is largely accepted as the modus operandi if not the default mode in restorative care. In this article we examine the current best available evidence underpinning the effectiveness of replacement versus repair of direct amalgam and resin composite restorations.

Repair or replacement of restorations: do we accept built in obsolescence or do we improve the evidence?