Study of a new mulch-functional restorative material having a bio-actibility.

2013 Fiscal Year Final Research Report

• Project/Area Number: 22592183
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Dental engineering/Regenerative dentistry
• Research Institution: Okayama University
• Principal Investigator: IRIE Masao 岡山大学, 医歯(薬)学総合研究科, 助教 (90105594)
• Co-Investigator(Kenkyū-buntansha): TANAKA Jiro 岡山大学, 大学院医歯薬学総合研究科, 助教 (40171764) ; NISHIGAWA Goro 岡山大学, 岡山大学病院, 講師 (00172635) ; MARUO Yukinori 岡山大学, 岡山大学病院, 講師 (60314697) ; TAMADA Yoshiyuki 岡山大学, 岡山大学病院, 医員 (90509499) ; SAITOU Takashi 北海道医療大学, 歯学部, 教授 (40265070)
• Project Period (FY): 2010-04-01 – 2014-03-31
• Keywords: 球状シリカ / BMP / 象牙質 / 再生 / グラスアイオノマーセメント / in vivo

Research Abstract

To clarify the effects of addition of silanized (S) and unsilanized (U) spherical silica filler to resin-modified glass ionomer cement(RMGIC) and of powder-liquid ratio on 1) the early marginal gap-width of restorations in both tooth cavities and Teflon molds, 2) the gap-formation of restorations in Class V cavities, and 3) the compressive strength of the cement. RMGIC powder was modified by adding 5 and 10 wt.% of powder respectively, of S and U, and then the powder-liquid ratio was increased up to 4.8. Marginal gap and cavity adaptation of the restorations improved with increasing powder-liquid ratio (3.0 to 4.4-4.8) and compressive strength increased (111 to 150-170 MPa, p<0.05). Highly significant correlation coefficients were found for the relationships between powder-liquid ratio and 1) percentage of marginal gap width in the tooth cavity, 2) gap-free tooth/cement interfaces, 3) percentage of marginal gap widths in the Teflon mold and 4) compressive strengths of the cements.

Research Products

• [Journal Article] Vertical and Horizontal Polymerization Shrinkages in Composite Restorations (2014)
  • Author(s): Masao Irie, Jiro Tanaka, Yukinori Maruo, Goro Nishigawa
  • Journal Title: Dental Materials Volume: 30 Pages: e189-e198
  • DOI: 10.1016/j.dental.2014.02.018
  • Peer Reviewed
• [Journal Article] コンポジットレジン修復の歯質接着強さの経時的推移 (2014)
  • Author(s): 入江正郎,田仲持郎,松本卓也,丸尾幸憲,西川悟郎,吉山昌宏
  • Journal Title: 接着歯学 Volume: 32(1) Pages: 8-13
  • Peer Reviewed
• [Journal Article] 合着用レジン添加型グラスアイオノマーセメントの種々の被着体への接着性と曲げ特性:サーマルサイクルの影響 (2013)
  • Author(s): 入江正郎,田仲持郎,松本卓也,丸尾幸憲,西川悟郎,吉山昌宏
  • Journal Title: 接着歯学 Volume: 31(2) Pages: 45-52
  • Peer Reviewed
• [Journal Article] Dental Traumatological Information : Immediate versus One-day Storage Performance of Class V Flowable Composites and Their Various Properties (2013)
  • Author(s): Masao Irie, Takahiro Totani
  • Journal Title: 日本外傷歯学会雑誌 Volume: 9(1) Pages: 43-49
  • Peer Reviewed
• [Journal Article] New theoretical model to measure pressure produced during impression procedure for complete dentures—Visualinspection of impression material flow (2013)
  • Author(s): Goro Nishigawa, Yukinori Maruo, Masao. Irie, Morihiko Oka, Yoshiyuki Tamada, Shogo Minagi
  • Journal Title: Dental Materials Volume: 29(5) Pages: 530-534
  • Peer Reviewed
• [Journal Article] 合着用レジン添加型グラスアイオノマーセメントの歯質接着性と曲げ特性 (2012)
  • Author(s): 入江正郎,田仲持郎,松本卓也,玉田宜之,丸尾幸憲,西川悟郎,吉山昌宏
  • Journal Title: 接着歯学 Volume: 30(4) Pages: 137-144
  • Peer Reviewed
• [Journal Article] Dental Traumatological Information : Immediate versus One-day Storage Performance of Class V Flowable Composites and their Bonding Properties (2012)
  • Author(s): Masao Irie, Takahiro Totani
  • Journal Title: 日本外傷歯学会雑誌 Volume: 8(1) Pages: 43-49
  • Peer Reviewed
• [Journal Article] Finger : Effect of spherical silica additions on marginal gaps and compressive strength of experimental glass ionomer cement mixtures (2011)
  • Author(s): Masao Irie, Noriyuki Nagaoka, Yoshiyuki Tamada, Yukinori Maruo, Goro Nishigawa, Shogo Minagi, Werner J
  • Journal Title: American Journal of Dentistry Volume: 24 Pages: 310-314
  • Peer Reviewed
• [Journal Article] Nano-layering of phosphoric-acid ester monomer at enamel and dentin (2011)
  • Author(s): Kumiko Yoshihara, Yasuhiro Yoshida, Satoshi Hayakawa, Noriyuki Nagaoka, Masao Irie, Tatsuyuki Ogawa, Kirsten L. Van Landuyt, Akiyoshi Osaka, Kazuomi Suzuki, Shogo Minagi, Bart Van Meerbeek
  • Journal Title: Acta Biomaterialia Volume: 7 Pages: 187-3195
  • Peer Reviewed
• [Journal Article] Effects of Irradiation with a CO2 Laser on Surface Structure and Bonding of a Zirconia Ceramic to Dental Resin cement (2011)
  • Author(s): Yukinori Maruo, Goro Nishigawa, Masao Irie, Yoshie Yamamoto, Kuniko Yoshihara and Shogo Minagi
  • Journal Title: Journal of Laser Micro/Nanoengineering Volume: 6(2) Pages: 174-179
  • Peer Reviewed
• [Journal Article] Dental Traumatological Characteristics : Effect of Immediate Polymerization Shrinkage on Marginal Gap Formation of Resin composite restorations (2011)
  • Author(s): Masao Irie, Takahiro Totani, Masayo Asano
  • Journal Title: 日本外傷歯学会雑誌 Volume: 7 Pages: 1-10
  • Peer Reviewed
• [Journal Article] Watts : Determinants of early interfacial-gap performance of Indirect composite restorations (2010)
  • Author(s): Masao Irie, Yukinori Maruo, Goro Nishigawa, Kazuomi Suzuki, David C
  • Journal Title: Dental Materials Volume: 26(6) Pages: 608-615
  • Peer Reviewed
• [Journal Article] Mechanical Properties of Resin-modified Glass Ionomer Cements for Luting : Effect of Adding Spherical Silica Filler (2010)
  • Author(s): Lihua E, Masao Irie, Tomoyuki Nagaoka, Takashi Yamashiro, Kazuomi Suzuki
  • Journal Title: Dental Materials Journal Volume: 29(3) Pages: 253-261
  • Peer Reviewed
• [Presentation] Marginal Sealability of Modern Self-etched adhesives in Composite Restorations (2014)
  • Author(s): Masao Irie, Jiro Tanaka, Takuya Matsumoto, Yukinori Maruo, Goro Nishigawa, Shogo. Minagi, David C. Watts
  • Organizer: 43^<rd> Annual Meeting & Exhibition of the AADR, 38^<th> Annual Meeting of the CADR
  • Place of Presentation: Charlotte Convention Center, Charlotte, NC USA
  • Year and Date: 2014-03-21
• [Presentation] Shear Bond-Strength of Modern Self-etched adhesive to Total-etched Enamel (2013)
  • Author(s): Masao Irie, Jiro Tanaka, Takuya Matsumoto, Yukinori Maruo, Goro Nishigawa, Yoshiyuki Tamada, Shogo. Minagi, David C. Watts
  • Organizer: 91^<st> State General Session & Exhibition of the IADR, 42^<nd> Annual Meeting & Exhibition of the AADR, 37^<th> Annual Meeting of the CADR
  • Place of Presentation: Washington State Convention Center, Seattle, WA, USA
  • Year and Date: 2013-03-21
• [Presentation] Effect of Silane Coupling Agent on Lithium Disilicate Glass Ceramic (2013)
  • Author(s): Goro Nishigawa, Masao Irie, Yukinori Maruo, Yoshiyuki Tamada, Yoshie Yamamoto, Noriyuki Nagaoka Takuya Matsumoto, Shogo. Minagi
  • Organizer: 91^<st> State General Session & Exhibition of the IADR, 42^<nd> Annual Meeting & Exhibition of the AADR, 37^<th> Annual Meeting of the CADR
  • Place of Presentation: Washington State Convention Center, Seattle, WA, USA
  • Year and Date: 2013-03-21
• [Presentation] Effect of Acid Etching on Lithium Disilicate Glass Ceramic (2012)
  • Author(s): Yukinori Maruo, Masao Irie, Goro Nishigawa, Yoshiyuki Tamada, Kumiko Yoshihara, Yoshie Yamamoto, Shogo Minagi, David C. Watts
  • Organizer: Poster # 1011, 41^<st> Annual Meeting & Exhibition of the AADR, 36^<th> Annual Meeting of the CADR
  • Place of Presentation: Tampa Convention Center, Tampa, FL, USA
  • Year and Date: 2012-03-23
• [Presentation] Effect of Primers on Bonding of Resin Cements to Ceramics (2012)
  • Author(s): Masao Irie, Jiro Tanaka, Yoshiyuki Tamada, Yukinori Maruo, Goro Nishigawa, Yoshie. Yamamoto, Shogo Minagi, David C. Watts
  • Organizer: 41^<st> Annual Meeting & Exhibition of the AADR, 36^<th> Annual Meeting of the CADR
  • Place of Presentation: Tampa Convention Center, Tampa, FL, USA
  • Year and Date: 2012-03-23
• [Presentation] Silica Nano Particles vs. Flexural Strength of Glass Ionomer Cement (2012)
  • Author(s): Goro Nishigawa, Yukinori Maruo, Masao Irie, Yoshiyuki Tamada, Morihiko Oka, Noriyuki Nagaoka, Shogo Minagi
  • Organizer: 41^<st> Annual Meeting & Exhibition of the AADR, 36^<th> Annual Meeting of the CADR
  • Place of Presentation: Tampa Convention Center, Tampa, FL, USA
  • Year and Date: 2012-03-23
• [Presentation] Early No Interfacial-gap Incidence vs. Flexural Modulus with Injectable Composites (2011)
  • Author(s): Masao Irie, Yoshiyuki Tamada, Yukinori Maruo, Goro Nishigawa, Morihiko Oka, Shogo Minagi, Kazuomi Suzuki, David C Watts
  • Organizer: 89^<th> General Session & Exhibition of the IADR, 40^<th> Annual Meeting of the AADR, 35^<rd> Annual Meeting of the CADR
  • Place of Presentation: San Diego Convention Center, San Diego, CL, USA
  • Year and Date: 2011-03-19
• [Presentation] Effects of Finishing-time and 24-h Water Storage. Lunch & Learning # 21 (2011)
  • Author(s): Masao Irie, Interfacial Gap Reduction of Composite Inlay Restorations
  • Organizer: 89^<th> General Session & Exhibition of the IADR, 40^<th> Annual Meeting of the AADR, 35^<rd> Annual Meeting of the CADR
  • Place of Presentation: San Diego Convention Center, San Diego, CL, USA
  • Year and Date: 2011-03-18
• [Book] スタンダード歯科理工学-生体材料と歯科材料―,第5版第13章合着・接着用材料 (2013)
  • Author(s): 松本卓也,吉田靖弘, 入江正郎, (編集幹事楳本貢三,中嶌裕,西山典宏,宮崎隆,米山隆之)
  • Total Pages: 1-371(231-252)
  • Publisher: 学建書院
• [Book] 乳歯列期における外傷歯の診断と治療,第2版乳歯の歯冠破折の接着材料と使用法 (2013)
  • Author(s): 入江正郎, (監修木村光孝,高木裕三,前田隆秀,田村康夫,香西克之編)
  • Total Pages: 1-121(42-45)
  • Publisher: クインテッセンスト出版