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Published in: Clinical Oral Investigations 6/2021

01-06-2021 | Original Article

Experimental peri-implantitis around titanium implants with a chemically modified surface with a monolayer of multi-phosphonate molecules: a preclinical in vivo investigation

Authors: J. Sanz-Esporrin, R. Di Raimondo, R. Pla, F. Luengo, F. Vignoletti, J. Núñez, G. J. Antonoglou, J. Blanco, M. Sanz

Published in: Clinical Oral Investigations | Issue 6/2021

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Abstract

Objectives

The purpose of this experimental in vivo investigation was to evaluate the influence of modifying the implant surface by adding a monolayer of multi-phosphonate molecules on the development of experimental peri-implantitis.

Material and methods

Eight beagle dogs received 5 tests and 5 control implants each following a split-mouth design 3 months after premolar and molar extraction. On the most mesial implant of each side, a 3-mm buccal dehiscence was artificially created. Experimental peri-implantitis was induced by silk ligatures over a 4-month period; after ligature removal, peri-implantitis was left to progress for another 4 months without plaque control. Clinical, histological, and radiographic outcomes were evaluated.

Results

Radiographically, both implant groups showed a similar bone loss (BL) at the end of the induction and progression phases. BL measured on the histological sections of the test and control groups was 3.14 ± 0.42 mm and 3.26 ± 0.28 mm, respectively; the difference was not statistically significant (p > 0.05). The remaining buccal bone to implant contact (bBIC) percentage of the test and control groups was 59.38 ± 18.62 and 47.44 ± 20.46%, respectively; the difference, however, was not statistically significant (p > 0.05). Bone loss observed at dehiscent sites compared to non-dehiscent ones showed no statistically significant difference (p > 0.05).

Conclusions

Addition of a monophosphonate layer to a moderately rough implant surface did not affect development of experimental peri-implantitis.

Clinical relevance

Influence of implant surface on peri-implantitis may condition implant selection by the clinician, especially on patients with disease risk factors. In that sense, monophosphate layer implants do not show higher peri-implantitis risk than control implants.
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Metadata
Title
Experimental peri-implantitis around titanium implants with a chemically modified surface with a monolayer of multi-phosphonate molecules: a preclinical in vivo investigation
Authors
J. Sanz-Esporrin
R. Di Raimondo
R. Pla
F. Luengo
F. Vignoletti
J. Núñez
G. J. Antonoglou
J. Blanco
M. Sanz
Publication date
01-06-2021
Publisher
Springer Berlin Heidelberg
Published in
Clinical Oral Investigations / Issue 6/2021
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-020-03708-4

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