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Context: The purpose of this study was to evaluate and compare the centering ability and canal transportation of TruNatomy, OneCurve, and Jizai file systems to assess their performance in oval-shaped canals using cone-beam computed tomography imaging. Materials and Methods: Forty-two fully formed single-rooted mandibular premolars were selected with a buccolingual canal size 2–2.5 times the mesiodistal size at 5 mm from the apex, with 0°–10° canal curvature with a 5–6 mm radius, at 5 mm from the apex. The teeth were divided into three groups (n = 14) and prepared with TruNatomy, OneCurve, and Jizai files based on the manufacturer's instructions. Cone-beam computed tomographic images were taken before and after instrumentation. The canal transportation and centering ability was calculated at 3, 6, and 9 mm from the apex in both mesiodistal and buccolingual directions. Statistical Analysis: Intergroup comparison was done using Kolmogorov–Smirnov test. Intragroup comparison was done using Freidman test. A comparison of categorical variables was done using the Chi-square test. Results: The results obtained did not present any statistically significant difference between the three groups, with TruNatomy and OneCurve showing relatively lesser canal transportation and better centering ratio when compared to the Jizai file system. Conclusions: It can, therefore, be concluded that all three systems used in the study are capable of safely preparing root canals with minimal errors.

Aims and objectives: The present study aims to assess the awareness, knowledge, and attitude towards 3D scanning and printing among dental practitioners. Methodology: A web-based cross- sectional survey using a closed ended questionnaire was sent to 460 registered dental professionals. The google form-based questionnaire link was distributed among dental practitioners, academicians and post graduates. A total of 280 participants completed the survey, with a responses rate was 60.8%. Results and conclusion: The results of the present study represented level of knowledge, awareness and, inclination to use the technology of 3D scanning and printing among the dentists of India. Within the limitations of the present study, it may be concluded there is still a dearth of thorough knowledge and a lack of willingness to implement this advanced technology into routine clinical practice which emphasises the need to create continuous awareness through regular education programs so that this novel technology seamlessly becomes a part of regular dental practice.