Peri-implant tissue changes at sites treated with alveolar ridge preservation in the esthetic zone: twenty-two months follow-up of a randomized clinical trial - Silva, Carlos Guillermo Benítez; Sapata, Vitor Marques; Llanos, Alexandre Hugo; Romano, Marcelo Ramos; Jung, Ronald Ernst; Hammerle, Christoph Hans Franz; César Neto, João Batista; Pannuti, Claudio Mendes; Romito, Guiseppe Alexandre (Journal of Clinical Periodontology, 2021)