Andrikopoulou, E. Kourtis, S. Damaskos, S. Tsiklakis, K., Detecting bone changes along dental implants, after immediate or delayed loading, using digital subtraction on cropped panoramic radiographs. A prospective clinical trial with minimum 3-year follow up, Journal of Osseointegration, (11), 11-20, 2019, Ariesdue Srl,