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

الملخص EN

Background : the overhanging margins are responsible for much iatrogenic periodontal disease.

May investigators found that high proportions of restorations have reported over hanging margins.

Materials and methods : the prevalence of overhanging margins and associated periodontal status in patients who attended periodontal department, college were assessed.

Results : the chance of a site bleeding on probing depended not only on the probing depth but directly on the presence 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 to minimize the risk of periodontal health.