Review of the literature shows a different prevalence of overhang class II restoration (16 –85%).It is proven,that overhang filling is an important factor in initiating, spreading and deterioration of the inflammatory periodontal process.Otherwise,overhang removal significantly improves periodontal conditions.Overhang removal is facilitates or in some patient enables correct interdental oral hygiene.Literary sources differ from each other in the ways of detection,grading and removal of overhangs.

        Key words: amalgam filling –overhang –gingivitis –periodontitis –marginal closure – alveolar ridge resorption