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Erschienen in: Clinical Oral Investigations 6/2021

12.11.2020 | Original Article

Differences in the progression of experimental peri-implantitis depending on the implant to abutment connection

verfasst von: Javier Sanz-Esporrin, Cristina Carral, Juan Blanco, José V. Sanz-Casado, Fernando Muñoz, Mariano Sanz

Erschienen in: Clinical Oral Investigations | Ausgabe 6/2021

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Abstract

Objectives

The aim was to evaluate the rate of bone loss progression during experimentally induced peri-implantitis using two different implant-abutment connections in implants with identical surface topography.

Material and methods

Forty-eight Regular Neck tissue-level SLA implants with a matching implant to abutment connection (TL) and 36 bone-level SLA implants with a switching platform implant to abutment connection (BL) were subjected to experimental peri-implantitis in two independent in vivo pre-clinical investigations. Experimental peri-implantitis was induced by means of silk ligatures during 3 months (induction phase), and followed for one extra month without ligatures (progression phase). Radiographic and clinical outcomes were evaluated longitudinally along both studies and subsequently compared between experiments.

Results

During the induction phase, radiographic bone loss was significantly higher in implants with matched abutments compared with those with platform switching connections (2.65 ± 0.66 mm vs 0.84 ± 0.16 mm, respectively, p = 0.001). During the progression phase, both types of implant-abutment connection exhibited similar rates of radiographic bone loss. Similar outcomes were observed clinically.

Conclusions

A platform switching connection resulted in a more benign development of peri-implantitis during the experimental induction phase of the disease. These differences, however, disappeared once the ligatures were removed (progression phase).

Clinical relevance

Influence of the implant-abutment connection in peri-implantitis progression may be relevant when considering implant selection in the moment of placement. In this sense, platform switching abutment demonstrated less peri-implantitis development when compared to implant matching connection.
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Metadaten
Titel
Differences in the progression of experimental peri-implantitis depending on the implant to abutment connection
verfasst von
Javier Sanz-Esporrin
Cristina Carral
Juan Blanco
José V. Sanz-Casado
Fernando Muñoz
Mariano Sanz
Publikationsdatum
12.11.2020
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 6/2021
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-020-03680-z

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