Biological Width around One- and Two-Piece Implants Retrieved from Human Jaws
Identifieur interne : 005316 ( Ncbi/Merge ); précédent : 005315; suivant : 005317Biological Width around One- and Two-Piece Implants Retrieved from Human Jaws
Auteurs : Ricardo Judgar [Brésil] ; Gabriela Giro [Brésil] ; Elton Zenobio [Brésil] ; Paulo G. Coelho [États-Unis] ; Magda Feres [Brésil] ; Jose A. Rodrigues [Brésil] ; Carlo Mangano [Italie] ; Giovanna Iezzi [Italie] ; Adriano Piattelli [Italie] ; Jamil Awad Shibli [Brésil]Source :
- BioMed Research International [ 2314-6133 ] ; 2014.
Abstract
Several histologic studies regarding peri-implant soft tissues and biological width around dental implants have been done in animals. However, these findings in human peri-implant soft tissues are very scarce. Therefore, the aim of this case series was to compare the biological width around unloaded one- and two-piece implants retrieved from human jaws. Eight partially edentulous patients received 2 test implants in the posterior mandible: one-piece (solid implants that comprise implant and abutment in one piece) and two-piece (external hexagon with a healing abutment) implants. After 4 months of healing, the implants and surrounding tissue were removed for histologic analysis. The retrieved implants showed healthy peri-implant bone and exhibited early stages of maturation. Marginal bone loss, gaps, and fibrous tissue were not present around retrieved specimens. The biologic width dimension ranged between 2.55 ± 0.16 and 3.26 ± 0.15 to one- and two-piece implants, respectively (
Url:
DOI: 10.1155/2014/850120
PubMed: 25050375
PubMed Central: 4094864
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last="Judgar">Ricardo Judgar</name><affiliation wicri:level="2"><nlm:aff id="I1">Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP, Brazil</nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Giro, Gabriela" sort="Giro, Gabriela" uniqKey="Giro G" first="Gabriela" last="Giro">Gabriela Giro</name><affiliation wicri:level="2"><nlm:aff id="I1">Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP, Brazil</nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of 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Rodrigues</name><affiliation wicri:level="2"><nlm:aff id="I1">Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP, Brazil</nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Mangano, Carlo" sort="Mangano, Carlo" uniqKey="Mangano C" first="Carlo" last="Mangano">Carlo Mangano</name><affiliation wicri:level="1"><nlm:aff id="I4">Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti</wicri:regionArea><wicri:noRegion>66100 Chieti</wicri:noRegion></affiliation></author><author><name sortKey="Iezzi, Giovanna" sort="Iezzi, Giovanna" uniqKey="Iezzi G" first="Giovanna" last="Iezzi">Giovanna Iezzi</name><affiliation wicri:level="1"><nlm:aff id="I4">Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti</wicri:regionArea><wicri:noRegion>66100 Chieti</wicri:noRegion></affiliation></author><author><name sortKey="Piattelli, Adriano" sort="Piattelli, Adriano" uniqKey="Piattelli A" first="Adriano" last="Piattelli">Adriano Piattelli</name><affiliation wicri:level="1"><nlm:aff id="I4">Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti</wicri:regionArea><wicri:noRegion>66100 Chieti</wicri:noRegion></affiliation></author><author><name sortKey="Shibli, Jamil Awad" sort="Shibli, Jamil Awad" uniqKey="Shibli J" first="Jamil Awad" last="Shibli">Jamil Awad Shibli</name><affiliation wicri:level="2"><nlm:aff id="I1">Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP, Brazil</nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author></analytic><series><title level="j">BioMed Research International</title><idno type="ISSN">2314-6133</idno><idno type="eISSN">2314-6141</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Several histologic studies regarding peri-implant soft tissues and biological width around dental implants have been done in animals. However, these findings in human peri-implant soft tissues are very scarce. Therefore, the aim of this case series was to compare the biological width around unloaded one- and two-piece implants retrieved from human jaws. Eight partially edentulous patients received 2 test implants in the posterior mandible: one-piece (solid implants that comprise implant and abutment in one piece) and two-piece (external hexagon with a healing abutment) implants. After 4 months of healing, the implants and surrounding tissue were removed for histologic analysis. The retrieved implants showed healthy peri-implant bone and exhibited early stages of maturation. Marginal bone loss, gaps, and fibrous tissue were not present around retrieved specimens. The biologic width dimension ranged between 2.55 ± 0.16 and 3.26 ± 0.15 to one- and two-piece implants, respectively (<italic>P</italic> < 0.05). This difference was influenced by the connective tissue attachment, while sulcus depth and epithelial junction presented the same dimension for both groups (<italic>P</italic> > 0.05). Within the limits of this study, it could be shown that two-piece implants resulted in the thickening of the connective tissue attachment, resulting in the increase of the biological width, when compared to one-piece implants.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Gargiulo, Aw" uniqKey="Gargiulo A">AW Gargiulo</name></author><author><name sortKey="Wentz, Fm" uniqKey="Wentz F">FM Wentz</name></author><author><name sortKey="Orban, B" uniqKey="Orban B">B Orban</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Degidi, M" uniqKey="Degidi M">M Degidi</name></author><author><name sortKey="Piattelli, A" uniqKey="Piattelli A">A Piattelli</name></author><author><name sortKey="Scarano, A" uniqKey="Scarano A">A Scarano</name></author><author><name sortKey="Shibli, Ja" uniqKey="Shibli J">JA Shibli</name></author><author><name sortKey="Iezzi, G" uniqKey="Iezzi G">G 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Biomed Res Int</journal-id><journal-id journal-id-type="iso-abbrev">Biomed Res Int</journal-id><journal-id journal-id-type="publisher-id">BMRI</journal-id><journal-title-group><journal-title>BioMed Research International</journal-title></journal-title-group><issn pub-type="ppub">2314-6133</issn><issn pub-type="epub">2314-6141</issn><publisher><publisher-name>Hindawi Publishing Corporation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25050375</article-id><article-id pub-id-type="pmc">4094864</article-id><article-id pub-id-type="doi">10.1155/2014/850120</article-id><article-categories><subj-group subj-group-type="heading"><subject>Clinical Study</subject></subj-group></article-categories><title-group><article-title>Biological Width around One- and Two-Piece Implants Retrieved from Human Jaws</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Judgar</surname><given-names>Ricardo</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-7590-8158</contrib-id><name><surname>Giro</surname><given-names>Gabriela</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Zenobio</surname><given-names>Elton</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref><xref ref-type="aff" rid="I2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Coelho</surname><given-names>Paulo G.</given-names></name><xref ref-type="aff" rid="I3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Feres</surname><given-names>Magda</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Rodrigues</surname><given-names>Jose A.</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mangano</surname><given-names>Carlo</given-names></name><xref ref-type="aff" rid="I4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Iezzi</surname><given-names>Giovanna</given-names></name><xref ref-type="aff" rid="I4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Piattelli</surname><given-names>Adriano</given-names></name><xref ref-type="aff" rid="I4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Shibli</surname><given-names>Jamil Awad</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref><xref ref-type="corresp" rid="cor1">*</xref></contrib></contrib-group><aff id="I1"><sup>1</sup>Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Praca Tereza Cristina 229, 07023-070 Guarulhos, SP, Brazil</aff><aff id="I2"><sup>2</sup>Department of Oral Implantology, Pucminas, Belo Horizonte, MG, Brazil</aff><aff id="I3"><sup>3</sup>Department of Biomaterials and Biomimetics, New York University, 45 E 24th Street, New York, NY 10010, USA</aff><aff id="I4"><sup>4</sup>Department of Stomatology and Biotechnologies, University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy</aff><author-notes><corresp id="cor1">*Jamil Awad Shibli: <email>jashibli@yahoo.com</email></corresp><fn fn-type="other"><p>Academic Editor: David M. Dohan Ehrenfest</p></fn></author-notes><pub-date pub-type="ppub"><year>2014</year></pub-date><pub-date pub-type="epub"><day>23</day><month>6</month><year>2014</year></pub-date><volume>2014</volume><elocation-id>850120</elocation-id><history><date date-type="received"><day>15</day><month>5</month><year>2014</year></date><date date-type="accepted"><day>2</day><month>6</month><year>2014</year></date></history><permissions><copyright-statement>Copyright © 2014 Ricardo Judgar et al.</copyright-statement><copyright-year>2014</copyright-year><license xlink:href="https://creativecommons.org/licenses/by/3.0/"><license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><p>Several histologic studies regarding peri-implant soft tissues and biological width around dental implants have been done in animals. However, these findings in human peri-implant soft tissues are very scarce. Therefore, the aim of this case series was to compare the biological width around unloaded one- and two-piece implants retrieved from human jaws. Eight partially edentulous patients received 2 test implants in the posterior mandible: one-piece (solid implants that comprise implant and abutment in one piece) and two-piece (external hexagon with a healing abutment) implants. After 4 months of healing, the implants and surrounding tissue were removed for histologic analysis. The retrieved implants showed healthy peri-implant bone and exhibited early stages of maturation. Marginal bone loss, gaps, and fibrous tissue were not present around retrieved specimens. The biologic width dimension ranged between 2.55 ± 0.16 and 3.26 ± 0.15 to one- and two-piece implants, respectively (<italic>P</italic> < 0.05). This difference was influenced by the connective tissue attachment, while sulcus depth and epithelial junction presented the same dimension for both groups (<italic>P</italic> > 0.05). Within the limits of this study, it could be shown that two-piece implants resulted in the thickening of the connective tissue attachment, resulting in the increase of the biological width, when compared to one-piece implants.</p></abstract></article-meta></front><floats-group><fig id="fig1" orientation="portrait" position="float"><label>Figure 1</label><caption><p>Clinical and radiographic view of the implants evaluated in the study.</p></caption><graphic xlink:href="BMRI2014-850120.001"></graphic></fig><fig id="fig2" orientation="portrait" position="float"><label>Figure 2</label><caption><p>Photomicrograph of the ground section of the two-piece implant group (20x) and the high magnification of the biological width (100x).</p></caption><graphic xlink:href="BMRI2014-850120.002"></graphic></fig><fig id="fig3" orientation="portrait" position="float"><label>Figure 3</label><caption><p>Photomicrographs of the one- and two-piece implant group (200x) near the first bone-to-implant contact. Note the disorganization around the peri-implant bone close to the microgap on the two-piece implant group.</p></caption><graphic xlink:href="BMRI2014-850120.003"></graphic></fig><table-wrap id="tab1" orientation="portrait" position="float"><label>Table 1</label><caption><p>Mean ± standard deviation for the histometric variables of both groups. Wilcoxon rank test (*<italic>P</italic> < 0.05) (<italic>n=8</italic> subjects).</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="1" colspan="1">Histometric variables</th><th align="center" rowspan="1" colspan="1">1-piece</th><th align="center" rowspan="1" colspan="1">2-piece</th><th align="center" rowspan="1" colspan="1"><italic>P</italic> value</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1">SD (mm)</td><td align="center" rowspan="1" colspan="1">0.33 ± 0.07</td><td align="center" rowspan="1" colspan="1">0.36 ± 0.12</td><td align="center" rowspan="1" colspan="1">0.98</td></tr><tr><td align="left" rowspan="1" colspan="1">JE (mm)</td><td align="center" rowspan="1" colspan="1">1.03 ± 0.06</td><td align="center" rowspan="1" colspan="1">1.05 ± 0.04</td><td align="center" rowspan="1" colspan="1">0.89</td></tr><tr><td align="left" rowspan="1" colspan="1">CTA (mm)</td><td align="center" rowspan="1" colspan="1"><bold>1.24 ± 0.23</bold></td><td align="center" rowspan="1" colspan="1"><bold>1.87 ± 0.20</bold></td><td align="center" rowspan="1" colspan="1">0.02*</td></tr><tr><td align="left" rowspan="1" colspan="1">BW (mm)</td><td align="center" rowspan="1" colspan="1"><bold>2.55 ± 0.16</bold></td><td align="center" rowspan="1" colspan="1"><bold>3.26 ± 0.15</bold></td><td align="center" rowspan="1" colspan="1">0.001*</td></tr><tr><td align="left" rowspan="1" colspan="1">BIC (%)</td><td align="center" rowspan="1" colspan="1">67.56 ± 4.56</td><td align="center" rowspan="1" colspan="1">66.45 ± 5.01</td><td align="center" rowspan="1" colspan="1">0.92</td></tr></tbody></table><table-wrap-foot><fn><p>SD: sulcus depth; JE: junctional epithelium; CTA: connective tissue attachment; BW: biologic width; BIC: bone-to-implant contact. </p></fn></table-wrap-foot></table-wrap></floats-group></pmc><affiliations><list><country><li>Brésil</li><li>Italie</li><li>États-Unis</li></country><region><li>Minas Gerais</li><li>État de New York</li><li>État de São Paulo</li></region></list><tree><country name="Brésil"><region name="État de São Paulo"><name sortKey="Judgar, Ricardo" sort="Judgar, Ricardo" uniqKey="Judgar R" first="Ricardo" last="Judgar">Ricardo Judgar</name></region><name sortKey="Feres, Magda" sort="Feres, Magda" uniqKey="Feres M" first="Magda" last="Feres">Magda Feres</name><name sortKey="Giro, Gabriela" sort="Giro, Gabriela" uniqKey="Giro G" first="Gabriela" last="Giro">Gabriela Giro</name><name sortKey="Rodrigues, Jose A" sort="Rodrigues, Jose A" uniqKey="Rodrigues J" first="Jose A." last="Rodrigues">Jose A. Rodrigues</name><name sortKey="Shibli, Jamil Awad" sort="Shibli, Jamil Awad" uniqKey="Shibli J" first="Jamil Awad" last="Shibli">Jamil Awad Shibli</name><name sortKey="Zenobio, Elton" sort="Zenobio, Elton" uniqKey="Zenobio E" first="Elton" last="Zenobio">Elton Zenobio</name><name sortKey="Zenobio, Elton" sort="Zenobio, Elton" uniqKey="Zenobio E" first="Elton" last="Zenobio">Elton Zenobio</name></country><country name="États-Unis"><region name="État de New York"><name sortKey="Coelho, Paulo G" sort="Coelho, Paulo G" uniqKey="Coelho P" first="Paulo G." last="Coelho">Paulo G. Coelho</name></region></country><country name="Italie"><noRegion><name sortKey="Mangano, Carlo" sort="Mangano, Carlo" uniqKey="Mangano C" first="Carlo" last="Mangano">Carlo Mangano</name></noRegion><name sortKey="Iezzi, Giovanna" sort="Iezzi, Giovanna" uniqKey="Iezzi G" first="Giovanna" last="Iezzi">Giovanna Iezzi</name><name sortKey="Piattelli, Adriano" sort="Piattelli, Adriano" uniqKey="Piattelli A" first="Adriano" last="Piattelli">Adriano Piattelli</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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