Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2014  |  Volume : 18  |  Issue : 4  |  Page : 482-487

Correlation of the interdental and the interradicular bone loss: A radiovisuographic analysis

1 Department of Periodontics and Oral Implantology, National Dental College and Hospital, Gulabgarh, Derabassi, Punjab, India
2 Department of Periodontics and Oral Implantology, M.N.D.A.V Dental college and Hospital, Solan, Himachal Pradesh, India
3 Department of Periodontics and Oral Implantology, Laxmi Bai Dental College, Patiala, Punjab, India

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-124X.138701

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Background: Presence of furcation involvement indicates advanced periodontitis, and a potentially less-favorable prognosis, for the affected tooth and its diagnosis has always been an enigma. The present study was carried out to measure and correlate the interdental and interradicular bone loss in patients suffering from periodontitis using radiovisuography (RVG) for the purpose of early furcation diagnosis. Materials and Methods: A total of 50 patients suffering from chronic generalized periodontitis and with furcation involvement in mandibular molars were selected. Under standardized conditions, RVGs were taken and the morphologic measurements defining the furcation areas were recorded and analyzed. Result: Interradicular bone loss of about 0.8 mm or more, was observed in the study subjects only when the bone loss at the interdental area was minimal of 3.7 mm. The correlation between the interradicular and the interdental bone loss was statistically highly significant (T-test, P < 0.001). A stronger correlation was observed in subjects above 40 years of age as compared with the younger subjects. There was not much difference in the degree of correlation between the interradicular and the interdental bone loss when compared in the context of gender. Conclusion: The very first millimeter of interradicular bone loss was seen when the interdental bone loss was around 4 mm. Therefore, to detect the earliest lesions of furcations, the interdental bone loss can be kept as an approximate guide for the comprehensive diagnosis and management of such sites/patients. The current investigation paves the path for future longitudinal studies with larger samples to ascertain these findings.

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