Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HERMANN JS,Influence of the size of the microgap on crestal bone changes around titanium implants. A histometric evaluation of unloaded non-submerged implants in the canine mandible,J Periodontol,,,2001,72,,1372-1383,https://cir.nii.ac.jp/crid/1572261551130532992,