<![CDATA[It is generally accepted that the primary cause of periodontitis is bacterial infection of long duration. Inaddition there are several risk factors that may increase the probability and severity of periodontitis, one ofwhich is smoking. This is a retrospective clinical study carried out at Saveetha Dental College, Chennai. Thisstudy involves the analysis of the most common furcation site among smokers with chronic periodontitis.The data were taken over a period of one year from over June 2019 to March 2020. The sample/data wereretrieved and 265 male smokers with periodontitis were examined for grade of furcation involvement basedon Glickman’s classification. In this study, the most commonest site of furcation among smokers withchronic periodontitis are maxillary molars. Grade 1 furcation > Grade 2 furcation > Grade 3 furcation >Grade 4 furcation. On comparing (Chi square analysis) the grade 1, grade 3 and grade 4 furcation withdifferent age groups, grade 1, grade 3 and grade 4 furcation was mostly seen in maxillary molars of smokerswith chronic periodontitis of age group 41- 50 years. However, it was statistically not significant(p-value>0.05). On comparing the grade 2 furcation with different age groups, Grade 2 furcation was mostly seen inmaxillary molars of smokers with chronic periodontitis of the age group 51-60 years and it was statisticallysignificant. Within the limits of the study the most common site of furcation among smokers with chronicperiodontitis is maxillary molars.]]>
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