Sinus Augmentation by Platelet-Rich Fibrin Alone: A Report of Two Cases with Histological Examinations
Identifieur interne : 002A22 ( Pmc/Curation ); précédent : 002A21; suivant : 002A23Sinus Augmentation by Platelet-Rich Fibrin Alone: A Report of Two Cases with Histological Examinations
Auteurs : Naofumi Aoki [Japon] ; Takeo Kanayama [Japon] ; Michinori Maeda [Japon] ; Koichiro Horii [Japon] ; Hironori Miyamoto [Japon] ; Keinoshin Wada [Japon] ; Yasutaka Ojima [Japon] ; Tsukasa Tsuchimochi [Japon] ; Yasuyuki Shibuya [Japon]Source :
- Case Reports in Dentistry [ 2090-6447 ] ; 2016.
Abstract
In sinus floor augmentation of an atrophic posterior maxilla, platelet-rich fibrin (PRF) has been used as a graft material. We herein report two cases with histological evaluations of PRF after the surgery. The first case was a 28-year-old female with an atrophic right posterior maxilla who was treated with sinus floor augmentation and simultaneous implant placement using PRF as the sole graft material in our hospital. Twenty-four months after surgery, the implant was unfortunately removed because of occlusal overloading by parafunctional habits. During implant replacement, a tissue sample was obtained from the site of augmentation with PRF and was evaluated histologically. The second case was a 58-year-old man with severe alveolar atrophy of the right maxilla who underwent lateral sinus augmentation using only PRF in a two-stage procedure in our hospital. Samples were obtained at the second-stage surgery and histological examinations were performed. As a result, new bone formation was confirmed histologically in both cases. Our findings show that the use of PRF as a graft material during sinus floor augmentation induces natural bone regeneration.
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DOI: 10.1155/2016/2654645
PubMed: 27795860
PubMed Central: 5066024
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Dental Clinic, Fukuoka 812-0011</wicri:regionArea></affiliation></author><author><name sortKey="Maeda, Michinori" sort="Maeda, Michinori" uniqKey="Maeda M" first="Michinori" last="Maeda">Michinori Maeda</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author><author><name sortKey="Horii, Koichiro" sort="Horii, Koichiro" uniqKey="Horii K" first="Koichiro" last="Horii">Koichiro Horii</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral 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Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author><author><name sortKey="Horii, Koichiro" sort="Horii, Koichiro" uniqKey="Horii K" first="Koichiro" last="Horii">Koichiro Horii</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author><author><name sortKey="Miyamoto, Hironori" sort="Miyamoto, Hironori" uniqKey="Miyamoto H" first="Hironori" last="Miyamoto">Hironori Miyamoto</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country 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City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author><author><name sortKey="Tsuchimochi, Tsukasa" sort="Tsuchimochi, Tsukasa" uniqKey="Tsuchimochi T" first="Tsukasa" last="Tsuchimochi">Tsukasa Tsuchimochi</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author><author><name sortKey="Shibuya, Yasuyuki" sort="Shibuya, Yasuyuki" uniqKey="Shibuya Y" first="Yasuyuki" last="Shibuya">Yasuyuki Shibuya</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601</wicri:regionArea></affiliation></author></analytic><series><title level="j">Case Reports in Dentistry</title><idno type="ISSN">2090-6447</idno><idno type="eISSN">2090-6455</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>In sinus floor augmentation of an atrophic posterior maxilla, platelet-rich fibrin (PRF) has been used as a graft material. We herein report two cases with histological evaluations of PRF after the surgery. The first case was a 28-year-old female with an atrophic right posterior maxilla who was treated with sinus floor augmentation and simultaneous implant placement using PRF as the sole graft material in our hospital. Twenty-four months after surgery, the implant was unfortunately removed because of occlusal overloading by parafunctional habits. During implant replacement, a tissue sample was obtained from the site of augmentation with PRF and was evaluated histologically. The second case was a 58-year-old man with severe alveolar atrophy of the right maxilla who underwent lateral sinus augmentation using only PRF in a two-stage procedure in our hospital. Samples were obtained at the second-stage surgery and histological examinations were performed. As a result, new bone formation was confirmed histologically in both cases. Our findings show that the use of PRF as a graft material during sinus floor augmentation induces natural bone regeneration.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Cricchio, G" uniqKey="Cricchio G">G. Cricchio</name></author><author><name sortKey="Sennerby, L" uniqKey="Sennerby L">L. Sennerby</name></author><author><name sortKey="Lundgren, S" uniqKey="Lundgren S">S. Lundgren</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Boyne, P J" uniqKey="Boyne P">P. J. Boyne</name></author><author><name sortKey="James, R A" uniqKey="James R">R. A. James</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Summers, R B" uniqKey="Summers R">R. B. Summers</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Browaeys, H" uniqKey="Browaeys H">H. Browaeys</name></author><author><name sortKey="Bouvry, P" uniqKey="Bouvry P">P. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Case Rep Dent</journal-id><journal-id journal-id-type="iso-abbrev">Case Rep Dent</journal-id><journal-id journal-id-type="publisher-id">CRID</journal-id><journal-title-group><journal-title>Case Reports in Dentistry</journal-title></journal-title-group><issn pub-type="ppub">2090-6447</issn><issn pub-type="epub">2090-6455</issn><publisher><publisher-name>Hindawi Publishing Corporation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27795860</article-id><article-id pub-id-type="pmc">5066024</article-id><article-id pub-id-type="doi">10.1155/2016/2654645</article-id><article-categories><subj-group subj-group-type="heading"><subject>Case Report</subject></subj-group></article-categories><title-group><article-title>Sinus Augmentation by Platelet-Rich Fibrin Alone: A Report of Two Cases with Histological Examinations</article-title></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0003-4017-2360</contrib-id><name><surname>Aoki</surname><given-names>Naofumi</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kanayama</surname><given-names>Takeo</given-names></name><xref ref-type="aff" rid="I2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Maeda</surname><given-names>Michinori</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Horii</surname><given-names>Koichiro</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Miyamoto</surname><given-names>Hironori</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Wada</surname><given-names>Keinoshin</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ojima</surname><given-names>Yasutaka</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Tsuchimochi</surname><given-names>Tsukasa</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Shibuya</surname><given-names>Yasuyuki</given-names></name><xref ref-type="aff" rid="I1"><sup>1</sup></xref></contrib></contrib-group><aff id="I1"><sup>1</sup>Department of Oral Maxillofacial Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan</aff><aff id="I2"><sup>2</sup>Hakata Dental Clinic, Fukuoka 812-0011, Japan</aff><author-notes><corresp id="cor1">*Naofumi Aoki: <email>nao70231011@gmail.com</email></corresp><fn fn-type="other"><p>Academic Editor: Anastasios Markopoulos</p></fn></author-notes><pub-date pub-type="ppub"><year>2016</year></pub-date><pub-date pub-type="epub"><day>3</day><month>10</month><year>2016</year></pub-date><volume>2016</volume><elocation-id>2654645</elocation-id><history><date date-type="received"><day>20</day><month>4</month><year>2016</year></date><date date-type="rev-recd"><day>25</day><month>7</month><year>2016</year></date><date date-type="accepted"><day>26</day><month>7</month><year>2016</year></date></history><permissions><copyright-statement>Copyright © 2016 Naofumi Aoki et al.</copyright-statement><copyright-year>2016</copyright-year><license xlink:href="https://creativecommons.org/licenses/by/4.0/"><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>In sinus floor augmentation of an atrophic posterior maxilla, platelet-rich fibrin (PRF) has been used as a graft material. We herein report two cases with histological evaluations of PRF after the surgery. The first case was a 28-year-old female with an atrophic right posterior maxilla who was treated with sinus floor augmentation and simultaneous implant placement using PRF as the sole graft material in our hospital. Twenty-four months after surgery, the implant was unfortunately removed because of occlusal overloading by parafunctional habits. During implant replacement, a tissue sample was obtained from the site of augmentation with PRF and was evaluated histologically. The second case was a 58-year-old man with severe alveolar atrophy of the right maxilla who underwent lateral sinus augmentation using only PRF in a two-stage procedure in our hospital. Samples were obtained at the second-stage surgery and histological examinations were performed. As a result, new bone formation was confirmed histologically in both cases. Our findings show that the use of PRF as a graft material during sinus floor augmentation induces natural bone regeneration.</p></abstract><funding-group><award-group><funding-source>Ethics Committee of Nagoya City University Hospital</funding-source><award-id>46-10-0004</award-id></award-group></funding-group></article-meta></front><floats-group><fig id="fig1" orientation="portrait" position="float"><label>Figure 1</label><caption><p>A panoramic radiograph reveals the residual bone height to be low at the first molar site.</p></caption><graphic xlink:href="CRID2016-2654645.001"></graphic></fig><fig id="fig2" orientation="portrait" position="float"><label>Figure 2</label><caption><p>CT scans were performed and showed the implant (site 16). (a) A preoperative image shows the residual bone height is approximately 2 mm. (b) Six months after surgery, the original sinus floor was confirmed. Furthermore, gradually increasing radiopacity was observed around the implant up to the apex, which is the elevated site using PRF only. (c) One year after surgery, the original sinus floor is unclear and radiopacity around the implant increased.</p></caption><graphic xlink:href="CRID2016-2654645.002"></graphic></fig><fig id="fig3" orientation="portrait" position="float"><label>Figure 3</label><caption><p>A biopsy was harvested from the red dot, which indicates the site of newly formed tissue (Case 1).</p></caption><graphic xlink:href="CRID2016-2654645.003"></graphic></fig><fig id="fig4" orientation="portrait" position="float"><label>Figure 4</label><caption><p>The initial panoramic radiograph revealed severe bone loss around R3 and L2 implants.</p></caption><graphic xlink:href="CRID2016-2654645.004"></graphic></fig><fig id="fig5" orientation="portrait" position="float"><label>Figure 5</label><caption><p>The preoperative CT scan showed insufficient residual height in the right posterior area (Case 2).</p></caption><graphic xlink:href="CRID2016-2654645.005"></graphic></fig><fig id="fig6" orientation="portrait" position="float"><label>Figure 6</label><caption><p>Sinus augmentation using the lateral window technique. (a) PRF clots were filled inside the sinus cavity and (b) the PRF membrane was used to cover the osteotomy window. (c) A CT image taken immediately after sinus augmentation using PRF only.</p></caption><graphic xlink:href="CRID2016-2654645.006"></graphic></fig><fig id="fig7" orientation="portrait" position="float"><label>Figure 7</label><caption><p>CT scan 8 months after sinus augmentation in the first stage showed that radiopacity around the implant increased.</p></caption><graphic xlink:href="CRID2016-2654645.007"></graphic></fig><fig id="fig8" orientation="portrait" position="float"><label>Figure 8</label><caption><p>Histological examination in higher magnification of a sample harvested 24 months after surgery using PRF only shows extremely mature bone tissue (H-E staining).</p></caption><graphic xlink:href="CRID2016-2654645.008"></graphic></fig><fig id="fig9" orientation="portrait" position="float"><label>Figure 9</label><caption><p>Under high magnification, newly formed lamellar bone surrounding the woven bone was confirmed (toluidine blue staining).</p></caption><graphic xlink:href="CRID2016-2654645.009"></graphic></fig></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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