Background:Self-efficacy means the quality of a person to feel confident and competitive that is described as self-assurance that one can effectively carry out the activities and getting adequately trained is a requirement Aim: To evaluate the efficiency of dental undergraduate students in managing and performing molar endodontic treatment. Methodology: A questionnaire-based survey was conducted for two batches of dental students in College of Dentistry, Prince Sattam bin Abdulaziz University during their internship program. The data related to the number of molar endodontics performed by the participating students was collected from the clinical records of the patient management software. The data was analyzed using descriptive statistics. Results: A total 70 undergraduate dental students of two batches 2017-2018 and 2018-2019 who were doing their internship had participated in this study. The self-efficacy level among the undergraduate dental students was found to be moderate. Conclusion: The self-efficacy among the undergraduate dental students of College of Dentistry, Prince Sattam bin Abdulaziz University in two batches of the year 2017-18 and 2018-19 was found to be moderate. The more root canal treatment done with good endodontic supervision during the undergraduate program increases the self-efficiency among the undergraduate dental students.