The prevalence of overhanging margins in posterior filling restorations and periodontal consequences

Abstract

Background: The overhanging margins are responsible for much iatrogenic periodontal disease. May investigatorsfound that high proportions of restorations have reported over hanging margins.Materials and methods: The prevalence of overhanging margins and associated periodontal status in patients whoattended periodontal department, college were assessed.Results: The chance of a site bleeding on probing depended not only on the probing depth but directly on thepresence or absence of an over.Conclusion: This study clearly identified a high prevalence of overhanging margins on amalgam's restorations,especially at mesial distal sites, and prompt removal of overhanging margins of restoration of required in order tominimize the risk of periodontal health