Marginal bone loss around oral implants supporting fixed versus removable prostheses: a systematic review

Marginal bone loss around oral implants supporting fixed versus removable prostheses: a systematic review

Aim The aim of this systematic review was to evaluate and compare the marginal bone loss (MBL) around implants of fixed (FISP) versus removable implant-supported prosthesis (RISP). Material and methods This review was conducted according to the PRISMA guidelines. A systematic search of the literatur...

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Bibliographic Details
Published in:International journal of implant dentistry Vol. 6; no. 1; p. 20
Main Authors: Saravi, Babak E., Putz, Maria, Patzelt, Sebastian, Alkalak, Amir, Uelkuemen, Sara, Boeker, Martin
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 03-06-2020
Springer Nature B.V
SpringerOpen
Subjects:
Dental implants
Dentistry
Fixed prosthesis
Marginal bone loss
Medicine
Oral health
Overdenture
Prostheses
Qualitative analysis
Randomization
Removable prosthesis
Review
Surgical implants
Systematic review
Marginal bone loss
Removable prosthesis
Fixed prosthesis
Implant-supported
Dentistry
Overdenture
Oral health
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Summary:Aim The aim of this systematic review was to evaluate and compare the marginal bone loss (MBL) around implants of fixed (FISP) versus removable implant-supported prosthesis (RISP). Material and methods This review was conducted according to the PRISMA guidelines. A systematic search of the literature on Web of Science and Ovid (MEDLINE) was conducted in March 2019 to identify randomized controlled trials/quasi-randomized trials, prospective and retrospective studies written in German and English. Two reviewers screened the identified papers for eligibility and performed an independent data extraction. The Newcastle-Ottawa Scale was used to evaluate the level of evidence of the included studies. Results The search resulted in 2577 studies, of which 42 were selected for full-text evaluation. Finally, six studies were included in qualitative analyses, reporting results from 248 participants (81 FISP versus 167 RISP). Five of the included studies were prospective and one study was retrospective. MBL was highest in the first year after implant placement and ranged from 0.17 ± 0.07 mm to 2.1 ± 1.6 mm in FISP and from 0.22 ± 0.55 mm to 2.5 ± 2.7 mm in RISP. After 4 years, there was no statistically significant difference between the groups; MBL ranged from 0.36 ± 0.22 mm to 1.5 mm in FISP and 0.56 ± 0.45 mm to 1.4 mm in RISP. Of the six included studies, two each were rated as good quality, fair quality, and poor quality. Conclusion Fixed and removable implant-supported prostheses seem to have similar long-term outcomes regarding marginal bone loss. However, the evidence provided in this systematic review is limited due to the poor quality of two of the included studies. Future studies with study designs specified to the topic of this review are necessary to provide clear information about marginal bone level alterations in modern implant therapy.
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ISSN:2198-4034
2198-4034
DOI:10.1186/s40729-020-00217-7