بررسي مقايسه اي وضعيت پريودنتال ترميم هاي صحيح مجاور لثه

Comparative evaluation of periodontal status in patients with marginal correct restoration

Background and Aim: Marginal restorations are appropriate places for plaque accumulation and bacteria reproduction causing periodontal diseases or tooth loss sometimes. With the importance of tooth maintenance as teeth restorations are daily dental services, the present study was conducted to compare the periodontal status in patients with correct marginal restorations and their controls referred to department of Oral Medicine and Operative Dentistry of Isfahan Dental School. Methods & Materials: Ninety six patients with one or more marginal restorations as well as their controls were studied in a case - control method. Bleeding, gingival and plaque indices were evaluated in both groups for the purpose. Periodontal probes were used for measuring plaque and bleeding index and gingival index was examined by observation. Mann Whitney U test was used for comparing the results in both groups. Results: 46.9 percent of cases had plaque index of 0 as the rate was 55.2 per cent in control samples. Considering gingival index, the percentage of patients with 0 gingival index was 65.6 and 80.2 in case and control groups respectively. Bleeding index of 0 was reported to be 31.3 and 58.3 per cent in case and control groups. Statistical analysis showed significant difference between the two groups considering three measured variables (P<0.05). Conclusion: According to the results of this study, even the correct marginal restorations may have effect on periodontal status.