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Aim of the study is to determine the prevalence of gingival black triangles (GBT's) and its correlations with the morphology of tooth, labial frenum and probing depth in young adults in the Chennai population. The study was carried out in a university based study setting in Saveetha dental college and hospital among the Chennai population. We have reviewed patient records and analysed the data from 86000 patient records between June 2019 and March 2020. 149 samples were randomly selected for the study (18 – 30 yrs) and photographic analysis from the patient record was carried out to determine the presence of GBT. Prevalence of GBT was found to be 20.8% in the selected population. Within the limits of the study prevalence of GBT was found to be 20.8% there should be more emphasis given on creating awareness about the condition and its possible treatment modalities.
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