People’s lives have been profoundly impacted by the headway of innovation which has worked on their from each viewpoint. Clearly, assumes a significant part in circle life and information stockpiling sharing is it. Current storage devices depend trusted third parties (TTP) because contribution parties, such frameworks need straightforwardness, security, trust strength. To solve these issues, th...

introdouction: canal length measurement is essential for proper endodontic treatment. any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. digital radiography has enabled accurate measurement of curved canal length. in this study, we evaluated the accuracy of calibration of a complementary met...