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Aim of the study: To investigate and compare the effect of class II amalgam and composite restorations on periodontal tissues health. Materials & Methods: The gingival index, plaque index, probing depth and clinical attachment level of one hundred teeth (50 restored by class II amalgam filling and 50 restored by class II composite filling) were included in the present study. One hundred teeth were classified into two groups as follows: Group I: involved 50 teeth restored by class II amalgam filling. Group II: involved 50 teeth restored by class II composite filling. The data was analyzed comparing both groups. The descriptive statistics included the mean, range and standard deviation for both groups.Results: Our results showed that there is statistically significant decrease in GI, PPD and CAL scores of amalgam group compared to composite group. Whereas there is no statistically significant in PD scores between both groupsConclusions: Class II composite restorations appear to be associated with periodontal breakdown more than class II amalgam restoration.

COMPARATIVE STUDY BETWEEN THE EFFECT OF CLASS II AMALGAM AND COMPOSITE RESTORATIONS IN POSTERIOR TEETH ON PERIODONTAL TISSUES HEALTH