GINGIVAL HEALTH

Objectives: The location of crown margins is very important for the health of periodontal tissues. This study was designed toevaluate the gingival health of teeth before and six months after tooth crowning. Design: Cross sectional study. Setting: Islamic InternationalDental Hospital. Period: March 2010 to June 2011. Method: 50 patients were selected from the out patient department. Who were advisedcrowns for replacement of lost tooth structure and data was collected before and six months after crown insertion. Papillary Bleeding Index (PBI)was used to evaluate periodontal health. All recorded data was entered in computer and was statistically analyzed using SPSS version 17 dataanalyzer and comparisons were performed using chi square test. Results: Results showed that patients inserted with crowns had signs ofperiodontal disease. ( p value = 0.03). Conclusions: It may be concluded from the study that sub gingival crown margins have detrimental effecton gingival health.