Modern implant dentistry based on osseointegration: 50 years of progress, current trends and open questions Buser, D.; Sennerby, L.; De Bruyn, H. Periodontology 2000 73(1): 7-21 2017 1600-0757 10.1111/prd.12185 https://eurekamag.com/research/059/980/059980162.php