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Femtosecond laser microstructuring of zirconia dental implants

Identifieur interne : 004801 ( Main/Exploration ); précédent : 004800; suivant : 004802

Femtosecond laser microstructuring of zirconia dental implants

Auteurs : R. A. Delgado-Ruíz [Espagne] ; J. L. Calvo-Guirado [Espagne] ; P. Moreno [Espagne] ; J. Guardia [Espagne] ; G. Gomez-Moreno [Espagne] ; J. E. Mate-Sánchez [Espagne] ; P. Ramirez-Fernández [Espagne] ; F. Chiva [Espagne]

Source :

Journal of Biomedical Materials Research Part B: Applied Biomaterials [ 1552-4973 ] ; 2011-01.

RBID : ISTEX:4F5355485BAB09AA1C79C01CE08D6DE25E4C312D

Descripteurs français

Wicri :
- topic : Biomatériau, Titane.

English descriptors

Abstract

This study evaluated the suitability of femtosecond laser for microtexturizing cylindrical zirconia dental implants surface. Sixty‐six cylindrical zirconia implants were used and divided into three groups: Control group (with no laser modification), Group A (microgropored texture), and Group B (microgrooved texture). Scanning electron microscopy observation of microgeometries revealed minimal collateral damage of the original surface surrounding the treated areas. Optical interferometric profilometry showed that ultrafast laser ablation increased surface roughness (Ra, Rq, Rz, and Rt) significantly for both textured patterns from 1.2× to 6×‐fold when compared with the control group (p < 0.005). With regard to chemical composition, microanalysis revealed a significant decrease of the relative content of contaminants like carbon (Control 19.7% ± 0.8% > Group B 8.4% ± 0.42% > Group A 1.6% ± 0.35%) and aluminum (Control 4.3% ± 0.9% > Group B 2.3% ± 0.3% > Group A 1.16% ± 0.2%) in the laser‐treated surfaces (p < 0.005). X‐ray diffraction and Raman spectra analysis were carried out to investigate any change in the crystalline structure induced by laser processing. The original predominant tetragonal phase of zirconia was preserved, whereas the traces of monoclinic phase present in the treated surfaces were reduced (Control 4.32% > Group A 1.94% > Group B 1.72%) as the surfaces were processed with ultrashort laser pulses. We concluded that femtosecond laser microstructuring offers an interesting alternative to conventional surface treatments of zirconia implants as a result of its precision and minimal damage of the surrounding areas. © 2010 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2011.

Url:

https://api.istex.fr/document/4F5355485BAB09AA1C79C01CE08D6DE25E4C312D/fulltext/pdf

DOI: 10.1002/jbm.b.31743

Affiliations:

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Le document en format XML

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<author><name sortKey="Calvo Uirado, J L" sort="Calvo Uirado, J L" uniqKey="Calvo Uirado J" first="J. L." last="Calvo-Guirado">J. L. Calvo-Guirado</name>
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<author><name sortKey="Moreno, P" sort="Moreno, P" uniqKey="Moreno P" first="P." last="Moreno">P. Moreno</name>
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<author><name sortKey="Guardia, J" sort="Guardia, J" uniqKey="Guardia J" first="J." last="Guardia">J. Guardia</name>
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<author><name sortKey="Gomez Oreno, G" sort="Gomez Oreno, G" uniqKey="Gomez Oreno G" first="G." last="Gomez-Moreno">G. Gomez-Moreno</name>
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<author><name sortKey="Mate Nchez, J E" sort="Mate Nchez, J E" uniqKey="Mate Nchez J" first="J. E." last="Mate-Sánchez">J. E. Mate-Sánchez</name>
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<term>Aluminum oxide particles</term>
<term>Appl</term>
<term>Appl biomater</term>
<term>Appl surf</term>
<term>Astra tech</term>
<term>Biomater appl</term>
<term>Biomaterials</term>
<term>Biomed mater</term>
<term>Biomedical materials research</term>
<term>Branemark system implants</term>
<term>Chemical composition</term>
<term>Clin</term>
<term>Clin implant dent relat</term>
<term>Clin periodontol</term>
<term>Control group</term>
<term>Control surface</term>
<term>Control surfaces</term>
<term>Conventional lasers</term>
<term>Crystalline structure</term>
<term>Cylindrical zirconia</term>
<term>Dent</term>
<term>Dental implants</term>
<term>Diffraction analysis</term>
<term>Diode laser</term>
<term>Effective surface</term>
<term>Elemental analysis</term>
<term>Experimental study</term>
<term>Femtosecond</term>
<term>Femtosecond laser</term>
<term>Femtosecond laser microstructuring</term>
<term>Femtosecond laser pulses</term>
<term>Femtosecond lasers</term>
<term>Groove</term>
<term>Gure</term>
<term>Implant</term>
<term>Implant collar</term>
<term>Implant surface</term>
<term>Intraosseous portion</term>
<term>Laser</term>
<term>Laser appl</term>
<term>Laser processing</term>
<term>Laser treatment</term>
<term>Mater</term>
<term>Mechanical performance</term>
<term>Microstructured regions</term>
<term>Microstructuring</term>
<term>Minimal damage</term>
<term>Monoclinic</term>
<term>Monoclinic fraction</term>
<term>Monoclinic phase</term>
<term>Monoclinic phases</term>
<term>Online</term>
<term>Online issue</term>
<term>Optical interferometric</term>
<term>Oral implants</term>
<term>Oral maxillofac surg</term>
<term>Other hand</term>
<term>Pore</term>
<term>Pore walls</term>
<term>Prosthet dent</term>
<term>Pulse energy</term>
<term>Raman</term>
<term>Raman spectra</term>
<term>Raman spectroscopy</term>
<term>Raman spectroscopy analysis</term>
<term>Research report figure</term>
<term>Roughness</term>
<term>Spectral range</term>
<term>Standard deviation</term>
<term>Surface characterization</term>
<term>Surface properties</term>
<term>Surface roughness</term>
<term>Surface treatments</term>
<term>Tetragonal</term>
<term>Tetragonal phase</term>
<term>Thin layer</term>
<term>Titanium</term>
<term>Ultrafast</term>
<term>Ultrafast laser ablation</term>
<term>Wiley periodicals</term>
<term>Zirconia</term>
<term>Zirconia implants</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>Ablation</term>
<term>Aluminum oxide particles</term>
<term>Appl</term>
<term>Appl biomater</term>
<term>Appl surf</term>
<term>Astra tech</term>
<term>Biomater appl</term>
<term>Biomaterials</term>
<term>Biomed mater</term>
<term>Biomedical materials research</term>
<term>Branemark system implants</term>
<term>Chemical composition</term>
<term>Clin</term>
<term>Clin implant dent relat</term>
<term>Clin periodontol</term>
<term>Control group</term>
<term>Control surface</term>
<term>Control surfaces</term>
<term>Conventional lasers</term>
<term>Crystalline structure</term>
<term>Cylindrical zirconia</term>
<term>Dent</term>
<term>Dental implants</term>
<term>Diffraction analysis</term>
<term>Diode laser</term>
<term>Effective surface</term>
<term>Elemental analysis</term>
<term>Experimental study</term>
<term>Femtosecond</term>
<term>Femtosecond laser</term>
<term>Femtosecond laser microstructuring</term>
<term>Femtosecond laser pulses</term>
<term>Femtosecond lasers</term>
<term>Groove</term>
<term>Gure</term>
<term>Implant</term>
<term>Implant collar</term>
<term>Implant surface</term>
<term>Intraosseous portion</term>
<term>Laser</term>
<term>Laser appl</term>
<term>Laser processing</term>
<term>Laser treatment</term>
<term>Mater</term>
<term>Mechanical performance</term>
<term>Microstructured regions</term>
<term>Microstructuring</term>
<term>Minimal damage</term>
<term>Monoclinic</term>
<term>Monoclinic fraction</term>
<term>Monoclinic phase</term>
<term>Monoclinic phases</term>
<term>Online</term>
<term>Online issue</term>
<term>Optical interferometric</term>
<term>Oral implants</term>
<term>Oral maxillofac surg</term>
<term>Other hand</term>
<term>Pore</term>
<term>Pore walls</term>
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<term>Raman</term>
<term>Raman spectra</term>
<term>Raman spectroscopy</term>
<term>Raman spectroscopy analysis</term>
<term>Research report figure</term>
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<term>Spectral range</term>
<term>Standard deviation</term>
<term>Surface characterization</term>
<term>Surface properties</term>
<term>Surface roughness</term>
<term>Surface treatments</term>
<term>Tetragonal</term>
<term>Tetragonal phase</term>
<term>Thin layer</term>
<term>Titanium</term>
<term>Ultrafast</term>
<term>Ultrafast laser ablation</term>
<term>Wiley periodicals</term>
<term>Zirconia</term>
<term>Zirconia implants</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Biomatériau</term>
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<front><div type="abstract" xml:lang="en">This study evaluated the suitability of femtosecond laser for microtexturizing cylindrical zirconia dental implants surface. Sixty‐six cylindrical zirconia implants were used and divided into three groups: Control group (with no laser modification), Group A (microgropored texture), and Group B (microgrooved texture). Scanning electron microscopy observation of microgeometries revealed minimal collateral damage of the original surface surrounding the treated areas. Optical interferometric profilometry showed that ultrafast laser ablation increased surface roughness (Ra, Rq, Rz, and Rt) significantly for both textured patterns from 1.2× to 6×‐fold when compared with the control group (p < 0.005). With regard to chemical composition, microanalysis revealed a significant decrease of the relative content of contaminants like carbon (Control 19.7% ± 0.8% > Group B 8.4% ± 0.42% > Group A 1.6% ± 0.35%) and aluminum (Control 4.3% ± 0.9% > Group B 2.3% ± 0.3% > Group A 1.16% ± 0.2%) in the laser‐treated surfaces (p < 0.005). X‐ray diffraction and Raman spectra analysis were carried out to investigate any change in the crystalline structure induced by laser processing. The original predominant tetragonal phase of zirconia was preserved, whereas the traces of monoclinic phase present in the treated surfaces were reduced (Control 4.32% > Group A 1.94% > Group B 1.72%) as the surfaces were processed with ultrashort laser pulses. We concluded that femtosecond laser microstructuring offers an interesting alternative to conventional surface treatments of zirconia implants as a result of its precision and minimal damage of the surrounding areas. © 2010 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2011.</div>
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Femtosecond laser microstructuring of zirconia dental implants

Femtosecond laser microstructuring of zirconia dental implants

Source :

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English descriptors

Abstract

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