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Erschienen in: Clinical Oral Investigations 1/2024

01.01.2024 | Research

Assessing bone formation on hydrophilic and hydrophobic implant surfaces in a murine model treated with bisphosphonates

verfasst von: Julio Cesar Sánchez-Puetate, Bruno Luís Graciliano Silva, Felipe Eduardo Pinotti, Camila Chierici Marcantonio, Guilherme José Pimentel Lopes de Oliveira, Elcio Marcantonio Junior, Rosemary Adriana Chierici Marcantonio

Erschienen in: Clinical Oral Investigations | Ausgabe 1/2024

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Abstract

Objective

To evaluate the osseointegration of implants with hydrophobic (HFB) and hydrophilic (HFL) surfaces in a murine model of high-dose bisphosphonates (BPs).

Materials and methods

Sixty-four rats were randomly allocated into four groups: control group with HFB implants (CG-HFB), control group with HFL implants (CG-HFL), BP group with HFB implants (BP-HFB), and BP group with HFL implants (BP-HFL). Animals were euthanized after 15 and 45 days (n=8). The dependent variables assessed were the removal torque (biomechanical analysis), the bone volume around the implants (%BV/TV) (microtomographic analysis), the bone-implant contact (%BIC), the bone between the threads (%BBT) (histomorphometric analysis), and the expression of bone metabolism markers (immunohistochemistry analysis).

Results

The CG-HFL and BP-HFL groups presented higher removal torque than the CG-HFB and BP-HFB implants. The %BIC of the CG-HFL surfaces was slightly higher than that of the CG-HFB implants. The BP-HFB and BP-HFL groups presented a higher %BIC than that of the CG-HFB and CG-HFL groups (p<0.001). BP therapy also increased the %BBT at both implant surfaces. Higher levels of ALP were observed in the matrix region of bone tissue on the HFL surfaces than on the HFB surfaces.

Conclusion

Both surfaces enable osseointegration in rats under BP therapy.

Clinical relevance

The study demonstrates that hydrophobic (HFB) and hydrophilic (HFL) implant surfaces can promote osseointegration in rats undergoing bisphosphonate therapy. The HFL surfaces exhibited improved biomechanical performance, higher bone-implant contact, and increased bone volume, suggesting their potential clinical relevance for implant success in individuals on bisphosphonate treatment.
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Metadaten
Titel
Assessing bone formation on hydrophilic and hydrophobic implant surfaces in a murine model treated with bisphosphonates
verfasst von
Julio Cesar Sánchez-Puetate
Bruno Luís Graciliano Silva
Felipe Eduardo Pinotti
Camila Chierici Marcantonio
Guilherme José Pimentel Lopes de Oliveira
Elcio Marcantonio Junior
Rosemary Adriana Chierici Marcantonio
Publikationsdatum
01.01.2024
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 1/2024
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-023-05480-7

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