Marginal Bone Loss around Implant-Retaining Overdentures versus Implant-Supported Fixed Prostheses 12-Month Follow-Up: A Retrospective Study

Odontuya Dorj, Chin-Kai Lin, Eisner Salamanca, Yu-Hwa Pan, Yi-Fan Wu, Yung-Szu Hsu, Jerry C.-Y. Lin, Hsi-Kuei Lin and Wei-Jen Chang
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Odontuya Dorj: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Chin-Kai Lin: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Eisner Salamanca: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Yu-Hwa Pan: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Yi-Fan Wu: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Yung-Szu Hsu: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Jerry C.-Y. Lin: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Hsi-Kuei Lin: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan
Wei-Jen Chang: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan

IJERPH, 2022, vol. 19, issue 3, 1-13

Abstract: Few studies have compared marginal bone loss (MBL) around implant-retaining overdentures (IODs) vs. implant-supported fixed prostheses (FPs). This study evaluated the mean MBL and radiographic bone-implant interface contact (r-BIIC) around IODs and implant-supported FPs. We also investigated osseointegration and MBL around non-submerged dental implants. We measured the changes between the MBL in the mesial and distal sites immediately after prosthetic delivery and after one year. The mean MBL and its changes in the IOD group were significantly higher. The mean percentage of r-BIIC was significantly higher in the FP group. MBL and its changes in males were significantly higher in the IOD group. The percentage of r-BIIC was significantly higher in the FP group. MBL in the lower site in the IOD group was significantly higher. Regarding MBL, the location of the implant was the only significant factor in the IOD group, while gender was the only significant predictor in the FP group. Regarding the r-BIIC percentage, gender was a significant factor in the FP group. We concluded that non-submerged dental implants restored with FPs and IODs maintained stable bone remodeling one year after prosthetic delivery.

Keywords: non-submerged dental implant; marginal bone loss; radiographic bone-implant interface contact; implant-retained overdenture; implant-supported fixed prosthesis (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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