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, Wei Jen Chang

Research output: Contribution to journalArticlepeer-review

Abstract

Few studies have compared marginal bone loss (MBL) around implant-retaining over-dentures (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 meas-ured 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.

Original languageEnglish
Article number1750
JournalInternational journal of environmental research and public health
Volume19
Issue number3
DOIs
Publication statusPublished - Feb 1 2022

Keywords

  • Implant-retained overdenture
  • Implant-supported fixed prosthesis
  • Marginal bone loss
  • Non-submerged dental implant
  • Radiographic bone-implant interface contact

ASJC Scopus subject areas

  • Pollution
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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