Lakhanpal S, Babu CS, Pandurangappa R, Mahaseth P, Pitti V, Anand D, Pasha FM. Peri-implant Stress Analysis of Immediate Loading and Progressive Loading Implants in Different Bone Densities (D2 and D3): A Finite Element Study. Int J Oral Implantol Clin Res 2014; 5 (1):1-7.