Comparison of quality of bone and insertion torque values of early implants placed at 6 and 8 weeks in sockets preserved with advanced platelet-rich fibrin: A randomized controlled... oleh Nukalamarri Om Brahma Prasad Chary, M Satyanarayana Raju, M C Suresh Sajjan, Sruthima NVS Gottumukkala, Ravikanth Manyam