Osteogenic Responses to Zirconia with Hydroxyapatite Coating by Aerosol Deposition
Identifieur interne : 000597 ( Pmc/Curation ); précédent : 000596; suivant : 000598Osteogenic Responses to Zirconia with Hydroxyapatite Coating by Aerosol Deposition
Auteurs : Y. Cho [Corée du Sud] ; J. Hong [Corée du Sud] ; H. Ryoo [Corée du Sud] ; D. Kim [Corée du Sud] ; J. Park [Corée du Sud] ; J. Han [Corée du Sud]Source :
- Journal of Dental Research [ 0022-0345 ] ; 2015.
Abstract
Previously, we found that osteogenic responses to zirconia co-doped with niobium oxide (Nb2O5) or tantalum oxide (Ta2O5) are comparable with responses to titanium, which is widely used as a dental implant material. The present study aimed to evaluate the in vitro osteogenic potential of hydroxyapatite (HA)-coated zirconia by an aerosol deposition method for improved osseointegration. Surface analysis by scanning electron microscopy and x-ray diffraction proved that a thin as-deposited HA film on zirconia showed a shallow, regular, crater-like surface. Deposition of dense and uniform HA films was measured by SEM, and the contact angle test demonstrated improved wettability of the HA-coated surface. Confocal laser scanning microscopy indicated that MC3T3-E1 pre-osteoblast attachment did not differ notably between the titanium and zirconia surfaces; however, cells on the HA-coated zirconia exhibited a lower proliferation than those on the uncoated zirconia late in the culture. Nevertheless, ALP, alizarin red S staining, and bone marker gene expression analysis indicated good osteogenic responses on HA-coated zirconia. Our results suggest that HA-coating by aerosol deposition improves the quality of surface modification and is favorable to osteogenesis.
Url:
DOI: 10.1177/0022034514566432
PubMed: 25586588
PubMed Central: 4814017
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<front><div type="abstract" xml:lang="en"><p>Previously, we found that osteogenic responses to zirconia co-doped with niobium oxide (Nb<sub>2</sub>
O<sub>5</sub>
) or tantalum oxide (Ta<sub>2</sub>
O<sub>5</sub>
) are comparable with responses to titanium, which is widely used as a dental implant material. The present study aimed to evaluate the in vitro osteogenic potential of hydroxyapatite (HA)-coated zirconia by an aerosol deposition method for improved osseointegration. Surface analysis by scanning electron microscopy and x-ray diffraction proved that a thin as-deposited HA film on zirconia showed a shallow, regular, crater-like surface. Deposition of dense and uniform HA films was measured by SEM, and the contact angle test demonstrated improved wettability of the HA-coated surface. Confocal laser scanning microscopy indicated that MC3T3-E1 pre-osteoblast attachment did not differ notably between the titanium and zirconia surfaces; however, cells on the HA-coated zirconia exhibited a lower proliferation than those on the uncoated zirconia late in the culture. Nevertheless, ALP, alizarin red S staining, and bone marker gene expression analysis indicated good osteogenic responses on HA-coated zirconia. Our results suggest that HA-coating by aerosol deposition improves the quality of surface modification and is favorable to osteogenesis.</p>
</div>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Dent Res</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Dent. Res</journal-id>
<journal-id journal-id-type="publisher-id">JDR</journal-id>
<journal-id journal-id-type="hwp">spjdr</journal-id>
<journal-title-group><journal-title>Journal of Dental Research</journal-title>
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<issn pub-type="ppub">0022-0345</issn>
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<article-id pub-id-type="publisher-id">10.1177_0022034514566432</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research Reports</subject>
<subj-group subj-group-type="heading"><subject>Biomaterials & Bioengineering</subject>
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<title-group><article-title>Osteogenic Responses to Zirconia with Hydroxyapatite Coating by Aerosol Deposition</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Cho</surname>
<given-names>Y.</given-names>
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<xref ref-type="aff" rid="aff1-0022034514566432">1</xref>
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<contrib contrib-type="author"><name><surname>Hong</surname>
<given-names>J.</given-names>
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<xref ref-type="aff" rid="aff1-0022034514566432">1</xref>
<xref ref-type="author-notes" rid="fn1-0022034514566432">*</xref>
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<contrib contrib-type="author"><name><surname>Ryoo</surname>
<given-names>H.</given-names>
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<xref ref-type="aff" rid="aff3-0022034514566432">3</xref>
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<contrib contrib-type="author"><name><surname>Kim</surname>
<given-names>D.</given-names>
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<xref ref-type="aff" rid="aff4-0022034514566432">4</xref>
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<contrib contrib-type="author"><name><surname>Park</surname>
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<contrib contrib-type="author" corresp="yes"><name><surname>Han</surname>
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<aff id="aff1-0022034514566432"><label>1</label>
Department of Prosthodontics, School of Dentistry and Dental Research Institute, BK21 Program, Seoul National University, Seoul, Korea</aff>
<aff id="aff2-0022034514566432"><label>2</label>
Department of Periodontology, School of Dentistry and Dental Research Institute, BK21 Program, Seoul National University, Seoul, Korea</aff>
<aff id="aff3-0022034514566432"><label>3</label>
Department of Molecular Genetics, School of Dentistry and Dental Research Institute, BK21 Program, Seoul National University, Seoul, Korea</aff>
<aff id="aff4-0022034514566432"><label>4</label>
Department of Advanced Materials Engineering, Sejong University, Seoul, Korea</aff>
<aff id="aff5-0022034514566432"><label>5</label>
R&D Center, Nano Business, IONES Co., Ltd., Gyeonggi-do, Korea</aff>
<author-notes><fn fn-type="equal" id="fn1-0022034514566432"><label>*</label>
<p>Authors contributing equally to this article.</p>
</fn>
<corresp id="corresp1-0022034514566432">J. Han, Department of Prosthodontics, School of Dentistry, Seoul National University, 28 Yeongeon-dong, Jongno-gu, Seoul, Korea, 110-749. Email: <email>proshan@snu.ac.kr</email>
</corresp>
</author-notes>
<pub-date pub-type="epub-ppub"><month>3</month>
<year>2015</year>
</pub-date>
<pmc-comment>Fake ppub date generated by PMC from publisher
pub-date/@pub-type='epub-ppub' </pmc-comment>
<pub-date pub-type="ppub"><month>3</month>
<year>2015</year>
</pub-date>
<volume>94</volume>
<issue>3</issue>
<fpage>491</fpage>
<lpage>499</lpage>
<permissions><copyright-statement>© International & American Associations for Dental Research 2015</copyright-statement>
<copyright-year>2015</copyright-year>
<copyright-holder content-type="society">International & American Associations for Dental Research</copyright-holder>
</permissions>
<abstract><p>Previously, we found that osteogenic responses to zirconia co-doped with niobium oxide (Nb<sub>2</sub>
O<sub>5</sub>
) or tantalum oxide (Ta<sub>2</sub>
O<sub>5</sub>
) are comparable with responses to titanium, which is widely used as a dental implant material. The present study aimed to evaluate the in vitro osteogenic potential of hydroxyapatite (HA)-coated zirconia by an aerosol deposition method for improved osseointegration. Surface analysis by scanning electron microscopy and x-ray diffraction proved that a thin as-deposited HA film on zirconia showed a shallow, regular, crater-like surface. Deposition of dense and uniform HA films was measured by SEM, and the contact angle test demonstrated improved wettability of the HA-coated surface. Confocal laser scanning microscopy indicated that MC3T3-E1 pre-osteoblast attachment did not differ notably between the titanium and zirconia surfaces; however, cells on the HA-coated zirconia exhibited a lower proliferation than those on the uncoated zirconia late in the culture. Nevertheless, ALP, alizarin red S staining, and bone marker gene expression analysis indicated good osteogenic responses on HA-coated zirconia. Our results suggest that HA-coating by aerosol deposition improves the quality of surface modification and is favorable to osteogenesis.</p>
</abstract>
<kwd-group><kwd>implant dentistry</kwd>
<kwd>biomaterial(s)</kwd>
<kwd>osteogenesis</kwd>
<kwd>surface chemistry</kwd>
<kwd>osseointegration</kwd>
<kwd>prosthetic dentistry</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
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