Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles
Bacterial infections are a common cause of clinical complications associated with the use of orthodontic microimplants. Biofilm formation on their surfaces and subsequent infection of peri-implant tissues can result in either exfoliation or surgical removal of these medical devices. In order to impr...
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MDPI AG
2024-12-01
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| Series: | Journal of Functional Biomaterials |
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| Online Access: | https://www.mdpi.com/2079-4983/15/12/371 |
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| author | Magdalena Sycińska-Dziarnowska Magdalena Ziąbka Katarzyna Cholewa-Kowalska Gianrico Spagnuolo Hyo-Sang Park Steven J. Lindauer Krzysztof Woźniak |
| author_facet | Magdalena Sycińska-Dziarnowska Magdalena Ziąbka Katarzyna Cholewa-Kowalska Gianrico Spagnuolo Hyo-Sang Park Steven J. Lindauer Krzysztof Woźniak |
| author_sort | Magdalena Sycińska-Dziarnowska |
| collection | DOAJ |
| description | Bacterial infections are a common cause of clinical complications associated with the use of orthodontic microimplants. Biofilm formation on their surfaces and subsequent infection of peri-implant tissues can result in either exfoliation or surgical removal of these medical devices. In order to improve the properties of microimplants, hybrid coatings enriched with silver nanoparticles, calcium, and phosphorus were investigated. The present study aimed to assess the microstructure of commercially available microimplants composed of a medical TiAlV (Ti6Al4V) alloy covered with organic–inorganic layers obtained by the sol–gel method using the dip-coating technique. The microstructures and elemental surface compositions of the sterile, etched, and layer-modified microimplants were characterized by scanning electron microscopy with X-ray energy-dispersive spectroscopy (SEM-EDS). Elements such as silver (Ag), calcium (Ca), phosphorus (P), silicon (Si), oxygen (O), and carbon (C) were detected on the microimplant’s surface layer. The SEM observations revealed that control microimplants (unetched) had smooth surfaces with only manufacturing-related embossing, while etching in hydrofluoric acid increased the surface roughness and introduced fluoride onto the microimplants. Layers with only silver nanoparticles reduced the roughness of the implant surface, and no extrusion was observed, while increased roughness and emerging porosity were observed when the layers were enriched with calcium and phosphorus. The highest roughness was observed in the microimplants etched with AgNPs and CaP, while the AgNPs-only layer showed a reduction in the roughness average parameter due to lower porosity. Enhancing the effectiveness of microimplants can be achieved by applying selective surface treatments to different parts. By keeping the outer tissue contact area smooth while making the bone contact area rough to promote stronger integration with bone tissue, the overall performance of the implants can be significantly improved. |
| format | Article |
| id | doaj-art-e0992f2525e743cfab8c95ef3c9244ed |
| institution | Kabale University |
| issn | 2079-4983 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
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| series | Journal of Functional Biomaterials |
| spelling | doaj-art-e0992f2525e743cfab8c95ef3c9244ed2024-12-27T14:32:03ZengMDPI AGJournal of Functional Biomaterials2079-49832024-12-01151237110.3390/jfb15120371Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver NanoparticlesMagdalena Sycińska-Dziarnowska0Magdalena Ziąbka1Katarzyna Cholewa-Kowalska2Gianrico Spagnuolo3Hyo-Sang Park4Steven J. Lindauer5Krzysztof Woźniak6Department of Maxillofacial Orthopaedics and Orthodontics, Pomeranian Medical University in Szczecin, Al. Powst. Wlkp. 72, 70111 Szczecin, PolandDepartment of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Krakow, al. A. Mickiewicza 30, 30059 Krakow, PolandDepartment of Glass Technology and Amorphous Coatings, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30059 Krakow, PolandDepartment of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, 80131 Napoli, ItalyDepartment of Orthodontics, College of Dentistry, Kyungpook National University, Daegu 41940, Republic of KoreaDepartment of Orthodontics, School of Dentistry, Virginia Commonwealth University, Richmond, VA 23103, USADepartment of Maxillofacial Orthopaedics and Orthodontics, Pomeranian Medical University in Szczecin, Al. Powst. Wlkp. 72, 70111 Szczecin, PolandBacterial infections are a common cause of clinical complications associated with the use of orthodontic microimplants. Biofilm formation on their surfaces and subsequent infection of peri-implant tissues can result in either exfoliation or surgical removal of these medical devices. In order to improve the properties of microimplants, hybrid coatings enriched with silver nanoparticles, calcium, and phosphorus were investigated. The present study aimed to assess the microstructure of commercially available microimplants composed of a medical TiAlV (Ti6Al4V) alloy covered with organic–inorganic layers obtained by the sol–gel method using the dip-coating technique. The microstructures and elemental surface compositions of the sterile, etched, and layer-modified microimplants were characterized by scanning electron microscopy with X-ray energy-dispersive spectroscopy (SEM-EDS). Elements such as silver (Ag), calcium (Ca), phosphorus (P), silicon (Si), oxygen (O), and carbon (C) were detected on the microimplant’s surface layer. The SEM observations revealed that control microimplants (unetched) had smooth surfaces with only manufacturing-related embossing, while etching in hydrofluoric acid increased the surface roughness and introduced fluoride onto the microimplants. Layers with only silver nanoparticles reduced the roughness of the implant surface, and no extrusion was observed, while increased roughness and emerging porosity were observed when the layers were enriched with calcium and phosphorus. The highest roughness was observed in the microimplants etched with AgNPs and CaP, while the AgNPs-only layer showed a reduction in the roughness average parameter due to lower porosity. Enhancing the effectiveness of microimplants can be achieved by applying selective surface treatments to different parts. By keeping the outer tissue contact area smooth while making the bone contact area rough to promote stronger integration with bone tissue, the overall performance of the implants can be significantly improved.https://www.mdpi.com/2079-4983/15/12/371microstructural evaluationsurface modificationorthodontic microimplantssilver nanoparticles |
| spellingShingle | Magdalena Sycińska-Dziarnowska Magdalena Ziąbka Katarzyna Cholewa-Kowalska Gianrico Spagnuolo Hyo-Sang Park Steven J. Lindauer Krzysztof Woźniak Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles Journal of Functional Biomaterials microstructural evaluation surface modification orthodontic microimplants silver nanoparticles |
| title | Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles |
| title_full | Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles |
| title_fullStr | Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles |
| title_full_unstemmed | Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles |
| title_short | Microstructural and Surface Texture Evaluation of Orthodontic Microimplants Covered with Bioactive Layers Enriched with Silver Nanoparticles |
| title_sort | microstructural and surface texture evaluation of orthodontic microimplants covered with bioactive layers enriched with silver nanoparticles |
| topic | microstructural evaluation surface modification orthodontic microimplants silver nanoparticles |
| url | https://www.mdpi.com/2079-4983/15/12/371 |
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