![Filling -amalgam](https://www.nationalelfservice.net/cms/wp-content/uploads/2018/10/Filling-150x150.jpg)
10 studies were included in this review of the effectiveness of minimally invasive repair or replacement of dental restorations. The reviewers suggest that seal and refurbishment techniques did not present a significant difference in clinical longevity in comparison to the replacement technique in permanent teeth. However, both the amount and the quality of the available evidence is limited.
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