Three-dimensional evaluation of soft tissue contour changes after premolar extraction with and without alveolar ridge preservation: A prospective observational study

• Yun-Jeong Kim ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

  * E-mail: yjbest01@snu.ac.kr (Y-JK); guy@snu.ac.kr (YK)

  Affiliations Department of Periodontology, Seoul National University Gwanak Dental Hospital, Seoul, Korea, Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  https://orcid.org/0000-0001-7467-4954

  ⨯
• Mi Young Lee,

  Roles Investigation, Resources

  Affiliation Department of Orthodontics, Seoul National University Gwanak Dental Hospital, Seoul National University School of Dentistry, Seoul, Korea

  ⨯
• Jae-Eun Chung,

  Roles Resources

  Affiliations Department of Periodontology, Seoul National University Gwanak Dental Hospital, Seoul, Korea, Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  ⨯
• Jang-Hyun Kim,

  Roles Data curation, Methodology, Software

  Affiliation Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  ⨯
• Ji-Man Park,

  Roles Conceptualization, Project administration, Resources, Software

  Affiliation Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  ⨯
• Ki-Tae Koo,

  Roles Validation, Writing – review & editing

  Affiliation Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  ⨯
• Young Ku

  Roles Supervision, Validation, Writing – review & editing

  * E-mail: yjbest01@snu.ac.kr (Y-JK); guy@snu.ac.kr (YK)

  Affiliation Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

  ⨯