Retraction: Bacterial adhesion and colonization differences between zirconia and titanium implant abutments: an in vivo human study.
J Periodontal Implant Sci. 2019 Feb 7;49(1):58. doi: 10.5051/jpis.2019.49.1.58. eCollection 2019 Feb.
J Periodontal Implant Sci. 2019.
PMID: 30847257
Free PMC article.