Krastev, Bogdan Petrov. “Minimally Invasive Methods for Treatment of Periodontal Defects: A Case Report”. The Journal of Dentists 2, no. 2 (July 25, 2014): 72–77 . Accessed August 2, 2026. http://savvysciencepublisher.com/jms/index.php/tjd/article/view/624.