Materials and methods: Screening of a total of 685 patients was done who reported with carious lesion. Complete demographic details of all the patients were obtained. Clinical and examination was carried out in all the patients. Intra-oral Periapical radiographs were taken and periodontal examination was done with mouth mirror, probe and explorer. A Performa was made and final diagnosis and possible etiological factor along with complete history of present illness was recorded. All the results were recorded in Microsoft excel sheet and were analyzed by SPSS software. Chi- square test was used for assessment of level of significance.

Results: Out of the 685 patients, Endo-Perio lesions were found to be present in 14.89 percent of the patients (102 patients). Mandibular arch involvement of Endo-Perio lesions occurred in 48.04 percent of the patients. Molars were the most common to be involved with Endo-Perio lesions found to be present in 41.18 percent of the patients. Premolars were involved in 24.51 percent of the patients.

Conclusion: A significant proportion of patient population is affected by Endo-Perio lesions.