Baldini , N., C. D’Elia, F. Frati, P. Cea, A. Nappo, M. Clementini, and M. De Sanctis. 2015. “Trapezoidal Flap Vs Envelope Flap in Mandibular Third Molar Extraction”. Oral & Implantology 8 (1):19-28. https://www.oimplantology.org/oimp/article/view/127.