Impact of a pulsed magnetic field on selected polymer implant materials

• Autorzy: Szponder Tomasz , Stodolak-Zych Ewa , Polkowska Izabela , Sobczyńska-Rak Aleksandra

Identyfikatory

DOI

10.5277/ABB-01253-2018-04

• Języki publikacji: EN

Abstrakty

EN

Physiotherapy with the use of pulsed magnetic fields is one of the methods of activating the processes of bone healing and regeneration. Exposing materials serving as membranes in guided bone regeneration (GBR) or guided tissue regeneration (GTR) to magnetic fields is an effective model that allows to monitor changes in the material under the influence of the magnetic field. Methods: Materials engineering methods were used to verify the extent of material degradation resulting from magnetic field exposure in an aqueous environment. Changes in surface morphology were observed under an optical microscope and a scanning electron microscope (SEM). Changes in surface wettability were analysed in relation to the direct contact angle. Chemical structural changes were verified with the use of infrared spectroscopy (FTIR-ATR). Results: The PCL-based membrane materials underwent relatively moderate surface degradation (altered contact angle, changes in surface morphology), but the absence of observable FTIR-ATR spectral shifts evidenced material stability under the influence of magnetic field. More extensive degradation processes were observed in the case of PLDLA-based materials, whose surface character changed from hydrophilic to hydrophobic. The spectra revealed enhanced intensity of the chain terminal groups, provided that modifiers (nanometric SiO2 and TCP (water reservoir)) were present in the polymer matrix. Conclusions: The extent degradation in the polymer membrane was primarily dependent on the presence of aqueous environment, while the influence of the magnetic field on the analysed membrane materials was negligible. Therefore, GBR/GTR membrane implants can be considered to remain stable during rehabilitation with the use of alternating magnetic field.

Słowa kluczowe

EN

magnetic field; biomaterials; orthopaedic implants

PL

pole magnetyczne; biomateriały; implant ortopedyczny

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2019
• Tom: Vol. 21, no. 1
• Strony: 87--96
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Szponder Tomasz

• University of Life Sciences in Lublin, Faculty of Veterinary Medicine, Department and Clinic of Animal Surgery, Lublin, Poland

autor

Stodolak-Zych Ewa

• AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Biomaterials, Kraków, Poland

autor

Polkowska Izabela

• University of Life Sciences in Lublin, Faculty of Veterinary Medicine, Department and Clinic of Animal Surgery, Lublin, Poland

autor

Sobczyńska-Rak Aleksandra

• University of Life Sciences in Lublin, Faculty of Veterinary Medicine, Department and Clinic of Animal Surgery, Lublin, Poland

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