Dr Kundabala Mala 2020. Survival of a Grossly Decayed Premolar; Novel Technique of Surgical Extrusion for Faster Clinical Crown Lengthening: a Case Report. International Journal of Allied Medical Sciences and Clinical Research. 7, 1 (Aug. 2020), 285–292. DOI:https://doi.org/10.61096/ijamscr.v7.iss1.2019.285-292.