00409nam a22001097a 4500003000400000082001900004100002000023245016400043260004400207300000700251650004100258SGT  a617.6342bE25N  aNandana, Deepti  aEvaluation of variation in working length after cleaning and shaping and before obturation in a two visit endodontic treatment bAn In-vivo observational study  aGurugram, HaryanabSGT Universityc2025  a78  aConservative Dentistry & Endodontics