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Marginal bone loss around oral implants supporting fixed versus removable prostheses: a systematic review
Babak E Saravi1, Maria Putz2, Sebastian Patzelt2
1Department of Prosthetic Dentistry, Center for Dental Medicine, Medical Center-University of Freiburg, Freiburg, Germany. babak.saravi@jupiter.uni-freiburg.de.
International Journal of Implant Dentistry
|June 4, 2020
Summary
This systematic review found similar long-term marginal bone loss (MBL) for fixed implant-supported prostheses (FISP) and removable implant-supported prostheses (RISP). However, the limited evidence quality necessitates further research on modern implant therapy outcomes.
Area of Science:
- Dental Implantology
- Prosthodontics
- Periodontology
Background:
- Marginal bone loss (MBL) is a key indicator of implant success.
- Comparing MBL between fixed implant-supported prostheses (FISP) and removable implant-supported prostheses (RISP) is crucial for treatment planning.
Purpose of the Study:
- To systematically evaluate and compare marginal bone loss (MBL) around implants supporting fixed (FISP) versus removable (RISP) prostheses.
Main Methods:
- A systematic literature search was conducted on Web of Science and Ovid (MEDLINE) following PRISMA guidelines.
- Included studies were randomized controlled trials/quasi-randomized trials, prospective, and retrospective studies.
- The Newcastle-Ottawa Scale assessed the quality of evidence for the six included studies.
Main Results:
- Six studies with 248 participants (81 FISP, 167 RISP) were included.
- MBL was highest in the first year, with no statistically significant difference between FISP and RISP after 4 years.
- Study quality varied, with two studies each rated as good, fair, and poor.
Conclusions:
- Fixed and removable implant-supported prostheses demonstrate comparable long-term outcomes concerning marginal bone loss.
- The current evidence base is limited by the quality of included studies.
- Further high-quality research is needed to clarify marginal bone level changes in contemporary implant therapy.
