Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

• Jun-Yu Shi ,

  Contributed equally to this work with: Jun-Yu Shi, Jie-Ni

  Roles Investigation, Methodology, Writing – original draft

  Affiliation Department of Dental Implantation, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory Stomatology, Shanghai Jiaotong University, School of Medicine, Shanghai, China

  ⨯
• Jie-Ni ,

  Contributed equally to this work with: Jun-Yu Shi, Jie-Ni

  Roles Conceptualization, Data curation, Writing – review & editing

  Affiliation Department of Dental Implantation, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory Stomatology, Shanghai Jiaotong University, School of Medicine, Shanghai, China

  ⨯
• Long-fei Zhuang,

  Roles Data curation, Project administration

  Affiliation Shanghai Adore Dental Care, Shanghai, China

  ⨯
• Xiao-Meng Zhang,

  Roles Formal analysis

  Affiliation Department of Dental Implantation, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory Stomatology, Shanghai Jiaotong University, School of Medicine, Shanghai, China

  ⨯
• Lin-Feng Fan ,

  Roles Formal analysis, Software

  * E-mail: lhc9@hotmail.com (HCL); fanlinfeng0419@163.com (LFF)

  Affiliation Department of Radiology, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory Stomatology, Shanghai Jiaotong University, School of Medicine, Shanghai, China

  ⨯
• Hong-Chang Lai

  Roles Conceptualization, Funding acquisition, Validation

  * E-mail: lhc9@hotmail.com (HCL); fanlinfeng0419@163.com (LFF)

  Affiliation Department of Dental Implantation, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory Stomatology, Shanghai Jiaotong University, School of Medicine, Shanghai, China

  http://orcid.org/0000-0002-6922-2918

  ⨯