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Home  > Oral Biomaterials Development Engineering  > Research Subjects

Research Subjects

Following items are our research subjects:

1. Evaluation of various factors on mechanical properties of teeth substance.
2. Evaluation of fatigue properties of dentin and dental materials using miniature testing pieces
3. Measurement of characteristics of dental ceramic materials and establishment of new testing methods for dental ceramics
4. Measurement of precise deformation using non-contact methods
5. Development of new composite resin with similar machinability of dentin
6. Study on dental root fracture mechanism
7. Applicayion of various types of fiberglass for dentistry
8. Evaluation of composite resin mechanical properties and improvement their bonding efficiency to various materials.
9. Evaluation of impact force absorption of mouthguard and face protect materials


ARCHIEVES IN 2018
[Original Papers]
1. Nasution H, Kamonkhantikul K, Arksornnukit M, Takahashi H. Pressure transmission area and maximum pressure transmission of different thermoplastic resin denture base materials under impact load. J Prosthodont Res 2018; 62; 44-49. doi: 10.1016/j.jpor.2017.05.001
2. Pisaisit Chaijareenont, Sasiprapha Prakhamsai, Patcharawan Silthampitag, Hidekazu Takahashi, Mansuang Arksornnukit. Effects of different sulfuric acid etching concentrations on PEEK surface bonding to resin composite. Dent Mater J. 2018; 37: 385-392 doi: 10.4012/dmj.2017-141
3. 岩崎直彦, 山本宥佑, 高橋英和. 改良した被削性評価試験機によるCAD/CAM 用材料の評価日本医用歯科機器学会誌. 2018.04; 23(1); 31-33
4. Takahiro Wada, Hiroshi Churei, Haruka Takayanagi, Naohiko Iwasaki, Toshiaki Ueno, Hidekazu Takahashi, Motohiro Uo. Improvement of the Shock Absorption Ability of a Face Guard by Incorporating a Glass-Fiber-Reinforced Thermoplastic and Buffering Space BioMed Research International. 2018.05; 2018; 1-8 doi: 10.1155/2018/6503568. eCollection 2018. PMID: 29854774
5. Yuka Kajima, Atsushi Takaichi, Nuttaphon Kittikundecha, Takayuki Nakamoto, Takahiro Kimura, Naoyuki Nomura, Akira Kawasaki, Takao Hanawa, Hidekazu Takahashi, Noriyuki Wakabayashi. Effect of heattreatment temperature on microstructures and mechanical properties of Co–Cr–Mo alloys fabricated by selective laser melting. Materials Science and Engineering: A. 2018.05; 726(30); 21-31
6. Jiangkongkho P, Arksornnukit A, Takahashi H. The synthesis, modification, and application of nanosilica in polymethylmethacrylate denture base. Dent Maater J 2018; 37: 582-591 DOI: 10.4012/dmj.2017-142
7. Takakusaki K, Fueki K, Tsutsumi C, Tsutsumi Y, Iwasaki N, Hanawa T, Takahashi H, Takakuda K, Wakabayashi N. Effect of incorporation of surface pre-reacted glass ionomer filler in tissue conditioner on the inhibition of Candida albicans adhesion. Dent Mater J 2018; 37: 453-459. PMID: 29415971 DOI: 10.4012/dmj.2017-171
8. Yamazaki T, Murakami N, Suzuki S, Handa K, Yatabe M, Takahashi H, Wakabayashi N. Influence of block-out on retentive force of thermoplastic resin clasps: an in vitro experimental and finite element analysis. J Prosthodont Res. 2019 Jan 28. pii: S1883-1958(18)30236-6. doi: 10.1016/j.jpor.2019.01.002. [Epub ahead of print]
9. Tsuchida Y, Takahashi H, Watanabe H, Oki M, Shiozawa M, Kurabayashi T, Suzuki T. Effects of number of metal restorations and mandibular position during computed tomography imaging on accuracy of maxillofacial models. J Prosthodont Res. 2019 Jan 15. pii: S1883-1958(18)30122-1. doi: 10.1016/j.jpor.2018.12.006. [Epub ahead of print]

ARCHIEVES IN 2017
[Original Papers]
1. Handa K, Murakami N, Yamazaki T, Takahashi H, Wakabayashi N. The ball-on-disk cyclic wear of CAD/CAM machinable dental composite and ceramic materials. J Oral Sci. 2017 Dec 27;59(4):589-596. doi: 10.2334/josnusd.16-0833. Epub 2017 Nov 17. PMID: 29151459
2. Shirako T, Churei H, Iwasaki N, Takahashi H, Ueno T. Evaluation of the flexural properties of a new temporary splint material for use in dental trauma splints. J Dent Sci. 2017; 12(3): 308-310. doi: 10.1016/j.jds.2017.02.003. Epub 2017 Apr 1.
3. Kajima Y, Takaichi A, Nakamoto T, Kimura T, Kittikundecha N, Tsutsumi Y, Nomura N, Kawasaki A, Takahashi H, Hanawa T, Wakabayashi N. Effect of adding support structures for overhanging part on fatigue strength in selective laser melting. J Mech Behav Biomed Mater. 2018 Feb;78:1-9. doi: 10.1016/j.jmbbm.2017.11.009. Epub 2017 Nov 6. PMID: 29128693
4. Iwasaki N, Yamaki C, Takahashi H, Oki M, Suzuki T. Effect of storage in 6-month water immersion on viscoelastic properties of soft denture liners. Dent Mater J 2017;36(5):584-589 doi: 10.4012/dmj.2016-320. PMID: 28450673
5. 隅田由香,服部麻里子,大木明子,吉 志元,高橋英和,岩崎直彦,谷口 尚.試作エピテーゼ用シリコーン材料の粘弾性特性の検討 ー第2報:垂れ止剤と重合条件の影響について.顎顔面補綴学会誌 2017; 40(1): 1-6.
6. Kamonkhantikul K , Arksornnukit M, Takahashi H. Antifungal, optical, and mechanical properties of polymethylmethacrylate material incorporated with silanized zinc oxide nanoparticles. International Journal of Nanomedicine 2017; 12: 2353-2360  DOI: 10.2147/IJN.S132116
7. Lauvahutanon S, Shiozawa M, Takahashi H, Iwasaki N, Oki M, Finger WJ, Arksornnukit M. Discoloration of various CAD/CAM blocks after immersion in coffee. Resto Dent Endo 2017;42(1):9-18. doi: 10.5395/rde.2017.42.1.9. Epub 2016 Dec 8. PMID: 28194359
8. Ishihata H, Kanehira M, Finger WJ, Takahashi H, Tomita M, Sasaki K. Effect of two desensitizing agents on dentin permeability in vitro. J Appl Oral Sci. 2017; 25(1): 34–41. DOI: 10.1590/1678-77572016-0228 PMID: 28198974

ARCHIEVES IN 2016
[Original Papers]
1. Nagata K, Garoushi S, Vallittu PK, Wakabayashi N, Takahashi H, Lassila LVJ. Fracture behavior of single-structure fiber-reinforced composite restorations. Acta Biomaterialia Odontologica Scandinavica 2016; 2: 118-124, DOI: 10.1080/23337931.2016.1224670
2. Fang-Yu Fan, Chung-Chieh Chang, Jhih-Ni Lin, Yi-Yun Cai, Chien-Yie Tsay, Tetsuya Suzuki, Hidekazu Takahashi, Yung-Ning Pan, Chung-Kwei Lin. Characterization of bioactive glass coated carbon nanotubes prepared by sol-gel process. International Journal of Applied Glass Science 2016;8(2): 239-246. DOI: 10.1111/ijag.12224 (IF: 1.843)
3. 高橋英和.CAD/CAM冠用ブロックの特性を知る!保険適応のCAD/CAM冠用レジンブロックの概要,日本デジタル歯科学会誌 2016; 6(1): 3-6
4. Fukasawa S, Churei H, Chowdhury RU, Shirko T, Shahrin S, Shrestha A, Wada T, Uo M, Takahashi H, Ueno T. Differences among shock-absorbing capabilities of mouthguard materials, Dental Traumatology 2016 ;32(6):474-479. doi: 10.1111/edt.12275.
5. Silthampitag P, Chaijareenont P, Tattakorn K, Chaiyasit Banjongprasert C, Takahashi H, Arksornnukit M. Effect of surface pretreatments on resin composite bonding to PEEK. Dent Mater J 2016; 35(4): 668-674. http://doi.org/10.4012/dmj.2015-349
6. Fukasawa S, Churei H, Chowdhury RU, Shirko T, Shahrin S, Shrestha A, Wada T, Uo M, Takahashi H, Ueno T. Application of addition-cured silicone denture relining materials to mouthguard adjustment. Dent Mater J 2016; 35(4): 635-643. doi: 10.4012/dmj.2015-378.
7. Oki M, Suzuki T, Takahashi H. A modified indirect method for fabricating silicone soft-lined complete dentures. J Prosthet Dent. 2016 ;116(6):853-857. doi: 10.1016/j.prosdent.2016.04.013.
8. Nakornchai N, Arksornnukit M, Kamonkhantikul K, Takahashi H. The pH effect of solvent in silanization on fluoride released and mechanical properties of heat-cured acrylic resin containing fluoride-releasing filler. Dent Mater J 2016:35:440-446,doi: 10.4012/dmj.2015-403.
9. 大木明子,風間はるか,高橋英和,鈴木哲也.粘度調整剤によるシリコーン材料の流動性への影響.顎顔面補綴 2016;39:1-8
10. Kamonkhantikul K , Arksornnukit M, Lauvahutanon S, Takahashi H. Toothbrushing alters the surface roughness and gloss of composite resin CAD/CAM blocks. Dent Mater J 2016; 35: 225-232. doi:10.4012/dmj.2015-228.
11. Kajima Y, Takaichi A, Nakamoto T, Kimura T, Yogo Y, Ashida M, Doi H, Nomura N, Takahashi H, Hanawa T, Wakabayashi N. Fatigue strength of Co-Cr-Mo alloy clasps prepared by selective laser melting. J Mech Behav Biomed Mater 2016 59:446-458. doi: 10.1016/j.jmbbm.2016.02.032.
12. Kajima Y, Takaichi A, Yasue T, Doi H, Takahashi H, Hanawa T, Wakabayashi N. Evaluation of the shear bond strength of dental porcelain and the low magnetic susceptibility Zr–14Nb alloy. J Mech Behav Biomed Mater 2016; 53: 131-141.

ARCHIEVES IN 2015
[Original Papers]
1. Lauvahutanon S, Takahashi H, Oki M, Arksornnukit M, Kanehira M, Finger WJ.. In vitro evaluation of the wear resistance of composite resin blocks for CAD/CAM. Dent Mater J. 2015;34(4):495-502
2. 前田千晶,窪木拓男,高橋英和,田上順次,角 保徳.歯科用OCTと使用した硬質レジン前装冠の口腔内での非破壊検査.日歯理工誌 2015; 34: 461-466.
3. Paravina RD, RAZVAN Ghinea R, Herrera, LJ, Bona AD, Igiel C, Linninger M, Sakai M, Takahashi H, TashkandI E, Perez MDM. Color Difference Thresholds in Dentistry. J Esthet Restor Dent 2015; 24: 51-59.
4. Chowdhury RU, Churei H, Takahashi H, Shahrin S, Fukasawa S, Shrestha A, Takashino N, Negoro T, Ueno T. Suitable design of mouthguard for sports-active person with spaced dentition. Dental Traumatology 2015; 31: 238-242., doi: 10.1111/edt.12142
5. Shiozawa M, *Takahashi H, Asakawa Y, Iwasaki N. Color stability of adhesive resin cements after immersion in coffee. Clin Oral Investig. 2015; 19(2): 309-317.
6. Wada J, Fueki K, Yatabe M, Takahashi H, Wakabayashi N. A comparison of the fitting accuracy of thermoplastic denture base resins used in non-metal clasp dentures to a conventional heat-cured acrylic resin. Acta Odontol Scand. 2015 Jan;73(1):33-7. doi: 10.3109/00016357.2014.946966.

ARCHIEVES IN 2014
[Original Papers]
1. Bakry AS, Takahashi H, Otsuki M, Tagami J. Evaluation of new treatment for incipient enamel demineralization using 45S5 bioglass. Dent Mater 2014; 30(3): 314-320.
2. Lauvahutanon S, *Takahashi H, Shiozawa M, Iwasaki N, Asakawa Y, Oki M, Finger WJ, Arksornnukit M. Mechanical properties of composite resin blocks for CAD/CAM.Dent Mater J.; 2014; 33(5): 705-710.
3. Kamonkhantikul K , Arksornnukit M, Takahashi H, Kanehira M, Finger WJ. Polishing and toothbrushing alters the surface roughness and gloss of composite resins. Dent Mater J 2014; 33(5): 599-606
4. Chowdhury RU, Churei H, Takahashi H, Wada T, Uo M, Fukasawa S, Abe K, Shahrin S, Ueno T. Combined analysis of shock absorption capability and disperse force of mouthguard material from different impact objects. Dent Mater J 2014; 33(4); 551-556.
5. Asakawa Y, *Takahashi H, Kobayashi M, Iwasaki N. Effect of ultraviolet light irradiation and sandblasting treatment on bond strengths between polyamide and chemical-cured resin. Dent Mater J 2014; 33(4): 557-564.
6. Hattori M, Sumita YI, Muthiah L, Iwasaki N, Takahashi H, Aimaijiang Y, Yoshi S Taniguchi H. Effect of fabrication process on the bond strength between silicone elastomer and acrylic resin for maxillofacial prosthesis Dent Mater J; 2014; 33(1): 16-20
7. Asakawa Y, *Takahashi H, Kobayashi M, Iwasaki N. Effect of ultraviolet light irradiation period on bond strengths between fiber-reinforced composite post and core build-up composite resin. Dent Mater J 2014; 33(1): 133-140.
8. Reza F, Churei H, Takahashi H, Iwasaki N. Impact force absorption of mouthguard materials using film sensor system Dental Traumatology. 2014; 30(3): 193-197.
9. Koottathape N, *Takahashi H, Iwasaki N, Kanehira M, Finger WJ. Quantitative wear and wear damage analysis of composite resins in vitro. J Mech Behav Biomed Mater 2014; 29: 508-516.
10. Shiozawa M, *Takahashi H, Iwasaki N, Uo M. Fluoride release and mechanical properties after 1-year water storage of recent restorative glass ionomer cements. Clin Oral Investig 2014; 18(4): 1053-1060.
11. Iwasaki N, *Takahashi H, Koottathape N, Kanehira M, Finger WJ, Sasaki K. Texture of composite resins exposed to two- and three-body wear in vitro. J Contemp Dent Pract. 2014; 15(2):232-241.
12. Saito M, Kanazawa M, Takahashi H, Uo M, Minakuchi S. Trend of change in retentive force for bar attachments with different materials. J Prosthet Dent 2014; 112(6): 1545-52.
13. Shiozawa M, *Takahashi H, Iwasaki N; Wada T; Uo M Effect of immersion time of restorative glass ionomer cements and immersion duration in calcium chloride solution on surface hardness. Dent Mater 2014; 30: e377-e383

ARCHIEVES IN 2013
[Original Papers]
1. Shiozawa M, *Takahashi H, Iwasaki N, Uo M. Effect of calcium chloride solution immersion on surface hardness of restorative glass ionomer cements. Dent Mater J. 2013; 32(5): 828-833.
2. Jiangkongkho P, Kamonkhantikul K, Takahashi H, Arksornnukit M. Fracture resistance of endodontically treated teeth using fiber post with an elastic modulus similar to dentin. Dent Mater J. 2013;32(5):781-786.
3. Nagata K, Wakabayashi N, Takahashi H, Vallittu PK, Lassila LV. Fracture resistance of CAD/CAM-fabricated fiber-reinforced composite denture retainers. Int J Prosthodont. 2013; 26(4): 381-383.
4. Wang F, *Takahashi H, Iwasaki N. Translucency of dental ceramics with different thicknesses. J Prosthet Dent. 2013; 110(1): 14-20.
5. Asakawa Y, *Takahashi H, Kobayashi M, Iwasaki N. Effect of components and surface treatments of fiber-reinforced composite posts on bond strength to composite resin. J Mech Behav Biomed Mater. 2013; 26: 23-33.
6. Bakry AS, Takahashi H, Otsuki M, Tagami J. The durability of phosphoric acid promoted bioglass-dentin interaction layer. Dent Mater. 2013; 29(4): 357-364.
7. Shiozawa M, *Takahashi H, Finger WJ, Iwasaki N. Effects of the space for wash materials on sulcus depth reproduction with addition-curing silicone using two-step putty-wash technique. Dent Mater J. 2013; 32(1): 150-155.
8. Abe K, Takahashi H, Churei H, Iwasaki N, Ueno T. Flexural properties and shock-absorbing capabilities of new face guard materials reinforced with fiberglass cloth. Dent Traumatol. 2013; 29(1): 23-28.

ARCHIEVES IN 2012
[Original Papers]
1. Bakry AS, Takahashi H, Otsuki M, Yamashita K, Tagami J. CO2 laser improves 45S5 bioglass interaction with dentin. J Dent Res 2011; 90(2): 246-250.
1. Kumagae N, Komada W, Fukui Y, Okada D, Takahashi H, Yoshida K, Miura H. Influence of the flexural modulus of prefabricated and experimental posts on the fracture strength and failure mode of composite resin cores. Dent Mater J 2012; 31(1): 202-206
2. Koottathape N, Takahashi H, Finger WJ, Kanehira M, Iwasaki N, Aoyagi Y. Quantification of in vitro produced wear sites on composite resins using contact profilometry and CCD microscopy: A methodological investigation. J Med & Dent Sci 2012; 59: 53-56.
3. Chaijareenont P, Takahashi H, Nishiyama N, Arksornnukit M. Effects of silane coupling agents and solutions of different polarity on PMMA bonding to alumina. Dent Mater J 2012; 30(4): 610-616.
4. Chaijareenont P, Takahashi H, Nishiyama N, Arksornnukit M. Effect of different amounts of 3-methacryloxypropyltrimethoxysilane on the flexural properties and wear resistance of alumina reinforced PMMA. Dent Mater J 2012; 30(4): 623-628.
5. Koottathape N, Takahashi H, Iwasaki N, Kanehira M, Finger WJ. Morphological features of composite resin surfaces after two- and three-body wear simulation. World J Dent 2012; 3(3): 221-228.
6. Koottathape N, Takahashi H, Iwasaki N, Kanehira M, Finger WJ. Two- and three-body wear of composite resins. Dent Mater 2012; 28(12): 1261-1270.

[Presentations]
1. Kasuga Y, Hoshino Y, Inoue M, Ibaraki H, Nagasawa Y, Hibino Y, Takahashi H, Sumi Y, Minakuchi S, Nakajima H.Long-term viscoelastic properties of soft lining material containing fluorinated monomer.AADR/CADR 2012 meeting #1025, 2012/3/23, Tampa Convention Center, Florida
2. Shiozawa M, Takahashi H, Kashiwazako H. Effect of fluoride recharge on properties of pit-and-fissure sealants. 10th International Conference of Asian Academy of Preventive Dentistry (Ulaanbaatar, 2012/9/14-16) 10th International Conference of Asian Academy of Preventive Dentistry, 2013/9/15, Ulaanbaatar Mongolia1
3. Aoyagi Y, Yoshida M, Honda E, Takahashi H, Umemoto K. Development of a reference phantom for dental cone beam CT. The 60th annual meeting of Japanese Association for Dental Reasearch #116, 2012/12/15, Niigta Convention Center, Niigata
4. Chaijareenont P, Nincharoen S, Takahashi H, Arksornnukit M. Effect of alumina filler amounts on bonding between denture base/teeth. The 60th annual meeting of Japanese Association for Dental Reasearch #126, 2012/12/15, Niigta Convention Center, Niigata



ARCHIEVES IN 2011
[Original Papers]
1. Bakry AS, Takahashi H, Otsuki M, Yamashita K, Tagami J. CO2 laser improves 45S5 bioglass interaction with dentin. J Dent Res 2011; 90(2): 246-250.
2. Arksornnukit M, Phunthikaphadr T, Takahashi H. Pressure transmission and distribution under denture bases using denture teeth with different materials and cuspal angulations. J Prosthet Dent 2011; 105(2): 127-136.
3. Takahashi H, Finger WJ, Endo T, Kanehira M, Koottathape N, Komatsu M, Balkenhol M. Comparative evaluation of mechanical characteristics of nanofiller containing resin composites. Amer J Dent 2011; 24(5): 264-270.
4. Kasuga Y, Takahashi H, Akiba N, Minakuchi S, Matsushita N, Hishimoto M. Basic evaluation on physical properties of experimental fluorinated soft lining materials. Dent Mater J 2011; 30(1): 45-51.
5. Osathanon T, Bespinyowong K, Arksornnukit M, Takahashi H, Pavasant P. Human osteoblast-like cell spreading and proliferation on Ti-6Al-7Nb surfaces of varying roughness. J Oral Sci 2011; 53(1): 23-30.
6. Suwannaroop P, Chaijareenont P, Kootathape N, Takahashi H, Arksornnukit M. In vitro wear resitance, hardness and elastic modulus of artificial denture teeth. Dent Mater J 2011; 30(4): 461-468.
7. Sakai Y, Takahashi H, Iwasaki N, Igarashi Y. Effects of surface roughness and tapered angle of cone crown telescopic system on retentive force. Dent Mater J 2011; 30(5): 635-641.
8. Rutkunas V, Mizutani H, Takahashi H, Iwasaki N. Wear simulation effects on overdenture stud attachments. Dent Mater J 2011; 30(6): 845-853.

[Presentations]
1. Abe K, Churei H, Kobayashi M, Takahashi H, Ueno T. Flexural properties of a new face guard core material measured by three-point bending test. IDMC 2011 at Soeul, YIA13, Yonsei Univ. Soeul, Korea, 2011/5/28.
2. Asakawa Y, Takahashi H, Kobayashi M, Iwasaki N, Shiozawa M, Koottanathape N. Effect of fiberglass length on diametral tensile strength of cqalcilu phosphate cement. IDMC 2011 at Soeul,P2-Cer13, Yonsei Univ. Soul, Korea. 2011/5/28.
3. Wang F, Takahashi H, Yasue T, Iwasaki N, Shiozawa M, Asakawa Y, Zoljargal P, Koottanathape N. Comparison of translucency of ceramic core materials at different thickness. IDMC 2011 at Soeul, P2-Cer14, Yonsei Univ. Soeul, Korea, 2011/5/28.
4. Shiozawa M, Takahashi H, Iwasaki N, Koottanathape N, Asakawa Y, Zoljargal P, Wang F, Fluoride release and mechanical properties of restorative glass ionomer cements. IDMC 2011 at Soeul, P2-Mis19, Yonsei Univ. Soeul, Korea, 2011/5/28.
5. Churei H, Abe K, Kobayashi M, Takahashi H, Ueno T. Physical properties evaluation of face guard materials ―Effect of cushioning materials on shock absorption. IDMC 2011 at Soeul, P2-Mis21, Yonsei Univ. Soeul, Korea, 2011/5/28.
6. Hongo T, Hikage S, Takahashi H. Fraction broke down Bis-GMA to its metabolites without metabolic activation. IDMC 2011 at Soeul, P2-Mis23, Yonsei Univ. Soeul, Korea, 2011/5/29
7. Varauboln C, Takahashi H, Arksornnukit M. Effect of different core stiffness on fracture resistance of endodontically treated teeth with flared root, IDMC 2011 at Soeul, P3-Com05, Yonsei Univ. Soeul, Korea, 2011/5/29
8. Lueangwattanakij R, Takahashi H, Arksornnukit M. Color stability of resin cements after ultraviolet artificial aging, IDMC 2011 at Soeul, P3-Com07, Yonsei Univ. Soeul, Korea, 2011/5/29.
9. Jiangkongkho P, Takahashi H, Arksornnukit M. Fracture resistance of endodontically treated teeth restored with different fiber reincorced composite post lengths, IDMC 2011 at Soeul, P3-Com08, Yonsei Univ. Soeul, Korea, 2011/5/29.
10. Chaijareenont P, Takahashi H, Arksornnukit M. Effect of different silane coupling agent amounts silanized on alumina filler on flexural strength of methacrylate denture base. IDMC 2011 at Soeul, P3-Com09, Yonsei Univ. Soeul, Korea, 2011/5/29.
11. Nishikawa I, Toyama T, Takahashi H. Fatigue streength of filler hybrid type resin composite - effect of filler size on fatigue strength. IDMC 2011 at Soeul, P3-Com17, Yonsei Univ. Soeul, Korea, 2011/5/29.
12. Zoljargal P, Takahashi H, Masuda T, Koottanathape N, Shiozawa M, Asakawa Y, Iwasaki N, Wang F, Characteristics of recent veneering composite resins, IDMC 2011 at Soeul, P3-Com22, Yonsei Univ. Soeul, Korea, 2011/5/29.
13. Koottanathape N, Takahashi H, Iwasaki N, Finger WJ, Angwarawong T, Arksornnukit M. IDMC 2011 at Soeul, P3-Com24, Yonsei Univ. Soeul, Korea, 2011/5/29.
14. Suwannaroop P, Chaijareenont P, Kootathape N, Takahashi H, Arksornnukit M. In vitro wear resitance of artificial denture teeth. IDMC 2011 at Soeul, P3-Pol04, Yonsei Univ. Soeul, Korea, 2011/5/29.
15. Kasuga Y, Takahashi H, Inoue M, Hoshino Y, Minakuchi S, Nakajima H. Evaluation on physical properties of experimental fluorinated, acrylic-based and silicone rubber-based soft lining materials . IDMC 2011 at Soeul, P3-Pol24, Yonsei Univ. Soeul, Korea, 2011/5/29.
16. Aoyagi Y, Umemoto K, Takahashi H, Iwasaki N, Tanaka M. Dimensional stability and tensile strength of the new vinyl polysiloxane impression material for home-visit dental care. IDMC 2011 at Soeul, P3-Pol27, Yonsei Univ. Soeul, Korea, 2011/5/29.
17. Iwasaki N, Kasuga Y, Takahashi H, Minakuchi S, Suzuki T. Bond strength and viscoelasticity of MMA-based and silicone-based denture liners. IDMC 2011 at Soeul, P3-Pol128, Yonsei Univ. Soeul, Korea, 2011/5/29
18. Chaijareenont P, Takahashi H, Arksornnukit M. Wear of Alumina Reinforced PMMA Using Different Amount of Silane. The 59th Annual Meeting of Japanese Association for Dental Research (JADR). #027, International Conference Center Hiroshima, 2011/10/8.
19. Jiangkongkho P, Takahashi H, Arksornnukit M. Ferrule and Crown Affect Fracture Resistance of Endodontically Treated Teeth. The 59th Annual Meeting of Japanese Association for Dental Research (JADR). #087, International Conference Center Hiroshima, 2011/10/8.
20. Shiozawa M, Takahashi H, Iwasaki N, Koottathape N. Mechanical properties and fluoride release of recent restorative glass-ionomer cement. IADR- SEAADE Annual Meeting at Grand Copthorne Hotel, Singapore, 2011/10/29.
21. Koottanathape N, Takahashi H, Finger WJ, Iwasaki N, Arksornnukit M. Effect of surface-profile measuring machine on composite resins wear properties. IADR- SEAADE Annual Meeting at Grand Copthorne Hotel, Singapore, 2011/10/29

[Invited lecture and Special lecture]]
1. Takahashi H, Standards and regulatory system of dental devices in Japan. 2011 KOREA・CHINA・JAPAN Joint symposium on standards and regulatory system on dental devices, Korea, May 30, 2011.
2. Takahashi H "Nanofiller Resin Composites: A Fashionable Label or a Class of Restoratives with Relevantly Improved Characteristics?". Mongolian Health Science Univ. (Ulaanbaatar,Mongol), 2011/8/17
3. Takahashi H. Characteristics of Nano-filler Composite Resins and Dental Prostheses using Fiberglass. Chon-mun Univ.(Gwanjyu, Korea), 2011/10/7.



ARCHIEVES IN 2010
[Original Papers]
1 Hanada T, Quevedo CG, Okitsu M, Yoshioka T, Iwasaki N, Takahashi H, Suda H. Effects of new adhesive resin root canal filling materials on vertical root fracture. Aust J Endodont 2010; 36(1): 19-23.
2. Ona M, Takahashi H, Sato M, Igarashi Y, Wakabayashi N. Effect of reactive adhesives on the tensile bond strength of vinyl polysiloxane impression materials to methylmethacrylate tray material, Dent Mater J 2010; 29(2): 336-340.
3. Takahashi H, Finger WJ, Kurokawa R, Furukawa R, Komatsu M. Sulcus depth reproduction with vinyl polysiloxane impression material: Effects of hydrophilicity and impression temperature. Quintessence Int 2010; 41(3): e43-e50.
4. Reza F, Takahashi H, Iwasaki N, Tamaki Y. Effects of investment type and casting system on permeability and castability of CP titanium. J Prosthet Dent 2010; 104(2): 114-21.
5. Takahashi H, Finger WJ, Wegner K, Utterodt A, Komatsu M, Wöstmann B, Balkenhol M. Factors influencing marginal cavity adaptation of nanofiller containing resin composite restorations. Dent Mater 2010; 26(12): 1166-1175.


[Presentations]
1. Yoda K, Ona M, Takahashi H, Sato M, Igarashi Y, Wakabayashi N. Bond Strength of Reactive Adhesives Between Impression Material and Methylmethacrylate. IADR, #771, Barcelona, Spain, 2010/7/14
2. Kasuga Y, Takahashi H, Akiba N, Minakuchi S1, Matsushita M, Hishimoto M. Development of Soft Denture Lining Materials Containing Dodecafluoroheptyl-methacrylate or Tridecafluorooctyl-methacrylate. IADR, #1325 Barcelona, Spain, 2010/7/14
3. Nagata K1, Takahashi H, Vallittu PK, Igarashi Y, L.V.J. Lassila LVJ. CAD-CAM fabrication methods of FRC telescopic crown retainer for RPDs . IADR, #1400, Barcelona, Spain, 2010/7/14
4. Arksornnukit M, Jiangkongkho P, Chaijareenont P, Srisunakrua L, Takahashi H. Modulus of Post Affects Fracture Resistance of Endodontically Treated Tooth. IADR, #2189, Barcelona, Spain, 2010/7/15
5. Bakry1 AS, Otsuki M, Takahashi H, Yamashita K, Tagami J. Evaluation of New Treatment for Incipient Enamel Caries Using 45S5-Bioglass. IADR, #2518, Barcelona, Spain, 2010/7/15
6. Takahashi H, Iwasaki N, Koottathape N, Asakawa Y, Arksornnukit M. Shear Bond Strength of Veneering Composite Resins to Various Alloys. IADR, #3755, Barcelona, Spain, 2010/7/16
7. Koottathape Natthavoot, Naohiko Iwasaki, Hidekazu Takahashi,Arksornnukit Mansuang. The reliability of diametral tensile test of composite resins. the Regional Biomaterials Scientific Meeting 2010 (RBSM 2010), Kota Bharu, 2010/10/28