Dental caries(DC) is one of the most prevalent oral diseases of health concern often affecting adolescents.Dental caries is a biofilm mediated,diet modulated, multifactorial, non communicable,dynamic disease resulting in net mineral loss of hard fissure of the oral cavity. It is determined by biological, physiological, behavioural and environmental factors of an individual. As a consequence a carious lesion is produced. People of all ages are affected by dental caries.Adolescents are individuals between 10-19 years old and proven to have a high caries experience. The aim of this study is to evaluate the incidence of Dental caries among 10-19 years old patients visiting Saveetha Dental college between june 2019-april 2020. A total of 5445 patients data was analysed from their case records and analysed for incidence among gender,correlation with age.It was found that out of 5445 patients,3021 patients(73%) were male and 2412 patients(25%) were female and 2 patients(2%) were transgenders.Patients of the age group of 13- 19 years had more incidence and the age group of 14-15 year old had least incidence. Within the limitations of this study it can be concluded that male patients have more DC than female patients among the 10-19 years age group in an outpatient population of a Dental College.