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Development of calcium phosphate cement which can be formed easily with 3D-Printer

Research Project

Project/Area Number 16K11626
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Prosthodontics/ Dental materials science and
Research InstitutionThe University of Tokushima

Principal Investigator

KAWANO Fumiaki  徳島大学, 大学院医歯薬学研究部(歯学域), 教授 (60195120)

Co-Investigator(Kenkyū-buntansha) 浜田 賢一  徳島大学, 大学院医歯薬学研究部(歯学域), 教授 (00301317)
篠原 千尋  徳島文理大学, 保健福祉学部, 准教授 (50332820)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsリン酸カルシウムセメント / ジルコニア / ボールミリング / 間接引張り強さ / 圧縮強さ / 3Dプリンター / ゲル化剤 / ジルコニア繊維 / ナノジルコニア / 3Dプリンター / 流動性 / 粉液比 / ゲル化剤濃度 / βーTCP / ボールミリング法 / 注入性 / 強度 / 粉液非 / イノシトールリン酸 / β-TCP
Outline of Final Research Achievements

The purpose of this study is to develop new Calcium Phosphate Cement(CPC) with high strength and excellent bone affinity, and easy to form in 3 D printer. This modified CPC has an advantage of CPC such as excellent biocompatibility.
The strength of CPC was improved using zirconia powder and fibers. As a result, the addition of the zirconia fiber to CPC powders did not affect the indirect tensile strength. On the other hand, in the case of nano-sized (about 100 nanometer) zirconia powder, the content was significantly increased at 1% content. It was suggested that the strengthening could be achieved by adding nano-sized zirconia powder to CPC. When beta-TCP was mixed with NaH2PO4 and CaCl2 solutions to increase the viscosity, it became possible to make the shape to a height of about 5 mm. When the paste container can be enlarged to increase the continuous injection amount.

Academic Significance and Societal Importance of the Research Achievements

3Dプリンターの医療への応用は,CTとのリンクで手術部の模型や再生医療にも応用されている。リン酸カルシウムを用いたカスタムメイド人工骨の作製についても報告されているが,強度が低い点が問題である。そこで,ジルコニア粉末と繊維を用いてリン酸カルシウムセメント(CPC)の強度の向上を図った。その結果ナノサイズのジルコニア粉末を加えることにより、高強度化がはかれることが示唆された。また,ポロキサマーをゲル化剤として添加すれば,高さ約5 mmまで形状を維持した積層が可能であることが明らかとなった。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (5 results)

All 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (4 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Effects of powder-to-liquid ratio on properties of β-tricalcium-phosphate cements modified using high-energy ball-milling2017

    • Author(s)
      Yumika IDA, Jiyoung BAE, Kazumitsu SEKINE, Fumiaki KAWANO, Kenichi HAMADA
    • Journal Title

      Dental Materials Journal

      Volume: 36 Pages: 590-599

    • NAID

      130006100234

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] Three types of zirconia particle addition to calcium phosphates cement for strengthening2018

    • Author(s)
      Yeeun Kim, Jiyoung Bae, Yumika Ida, Kazumitsu Sekine, Fumiaki Kawano, Kenichi Hamada
    • Organizer
      European Conference on Biomaterials
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Develop of high strength beta-tricalcium phosphate cement: Effects of addition of fiber zirconia2018

    • Author(s)
      Yeeun Kim, Jiyoung Bae, Yumika Ida, Kazumitsu Sekine, Fumiaki Kawano, Kenichi Hamada
    • Organizer
      日本歯科理工学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Zirconia Particle Addition to Calcium-Phosphates-Cement for Mechanical Property Enhancement2017

    • Author(s)
      Jiyoung BAE,Yumika IDA, Kazumitsu SEKINE, Fumiaki KAWANO, Kenichi HAMADA
    • Organizer
      28th European Conference on Biomaterials
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] ボールミリング法で改質したβ-TCPセメントのin vivoでの圧縮強さの評価2016

    • Author(s)
      伊田百美香,関根一光,河野文昭,濱田賢一
    • Organizer
      日本バイオマテリアル学会シンポジウム2016
    • Place of Presentation
      福岡国際会議場(福岡県・福岡市)
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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