Laser gingival retraction: a quantitative assessment Krishna Ch, V.; Gupta, N.; Reddy, K.Mahendranadh.; Sekhar, N.Chandra.; Aditya, V.; Reddy, G.V.K.Mohan. Journal of Clinical and Diagnostic Research: Jcdr 7(8): 1787-1788 2013 https://eurekamag.com/research/054/081/054081465.php