GINGIVAL HEALTH

EFFECTS OF CROWN MARGIN LOCATION

Abstract

Objectives: The location of crown margins is very important for the health of periodontal tissues. This study was designed to
evaluate the gingival health of teeth before and six months after tooth crowning. Design: Cross sectional study. Setting: Islamic International
Dental Hospital. Period: March 2010 to June 2011. Method: 50 patients were selected from the out patient department. Who were advised
crowns 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 data
analyzer and comparisons were performed using chi square test. Results: Results showed that patients inserted with crowns had signs of
periodontal disease. ( p value = 0.03). Conclusions: It may be concluded from the study that sub gingival crown margins have detrimental effect
on gingival health.