Comparison between two bone substitutes for alveolar ridge preservation after tooth extraction: cone-beam computed tomography results of a non-inferiority randomized controlled trial - Llanos, Alexandre Hugo; Sapata, Vítor Marques; Jung, Ronald Ernst; Hämmerle, Christoph H; Thoma, Daniel S; César Neto, João Batista; Pannuti, Claudio Mendes; Romito, Giuseppe Alexandre (Journal of Clinical Periodontology, 2019)