Journal of Prosthetic Dentistry
Volume 104, Issue 2 , Pages 114-121 , August 2010

Effects of investment type and casting system on permeability and castability of CP titanium

  • Fazal Reza, BDS, PhD

      Affiliations

    • Former PhD student, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; currently, Senior Lecturer, School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
  • ,
  • Hidekazu Takahashi, DDS, PhD

      Affiliations

    • Associate Professor and Director, Advanced Biomaterials, Department of Restorative Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
    • Corresponding Author InformationCorresponding author: Dr Hidekazu Takahashi, Advanced Biomaterials, Department of, Restorative Sciences, Graduate School of Medical and Dental, Sciences, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo-ku, Tokyo 113-8549, JAPAN, Fax: +81-3-5803-0191
  • ,
  • Naohiko Iwasaki, RDT, PhD

      Affiliations

    • Research Associate, Advanced Biomaterials, Department of Restorative Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
  • ,
  • Yukimichi Tamaki, DDS, PhD

      Affiliations

    • Associate Professor, Oral Biomaterials and Technology, Showa University School of Dentistry, Kelantan, Malaysia

References 

  1. ADA Council on Scientific Affairs  . Titanium applications in dentistry . J Am Dent Assoc . 2003;134:347–349
  2. King AW , Chai J , Lautenschlager E , Gilbert J . The mechanical properties of milled and cast titanium for ceramic veneering . Int J Prosthodont . 1994;7:532–537
  3. Hamanaka H , Doi H , Yoneyama T , Okuno O . Dental casting of titanium and Ni-Ti alloys by a new casting machine . J Dent Res . 1989;68:1529–1533
  4. Nakajima H , Okabe T . Titanium in dentistry: development and research in the U.S.A. . Dent Mater J . 1996;15:77–90
  5. Miyakawa O , Watanabe K , Okawa S , Nakano S , Kobayashi M , Shiokawa N . Layered structure of cast titanium surface . Dent Mater J . 1989;8:175–185
  6. Eliopoulos D , Zinelis S , Papadopoulos T . The effect of investment material type on the contamination zone and mechanical properties of commercially pure titanium castings . J Prosthet Dent . 2005;94:539–548
  7. Ida K , Togaya T , Tsutsumi S , Takeuchi M . Effect of magnesia investments in the dental casting of pure titanium or titanium alloys . Dent Mater J . 1982;1:8–21
  8. Reza F , Tamaki Y , Takahashi H , Iwasaki N , Miyazaki T . Properties of a gypsum-bonded magnesia investment using a K2SO4 solution for titanium casting . Dent Mater J . 2009;28:301–306
  9. Mori T . Titanium. A review of investments for high temperature casting . Aust Prosthodont J . 1993;7:31–34
  10. Yan M , Takahashi H . Effects of magnesia and potassium sulfate on gypsum-bonded alumina dental investment for high-fusing casting . Dent Mater J . 1998;17:301–313
  11. Yan M , Takahashi H , Nishimura F . Dimensional accuracy and surface property of titanium casting using gypsum-bonded alumina investment . Dent Mater J . 2004;23:539–544
  12. Hung CC , Hou GL , Tsai CC , Huang CC . Pure titanium casting into zirconia-modified magnesia-based investment molds . Dent Mater . 2004;20:846–851
  13. Takahashi H , Miyazaki T , Kawawa T . Accuracy of titanium cast crowns obtained from calcia base mold . Clin Mater . 1994;16:155–160
  14. Meng Y , Nakai A , Goto S , Ogura H . Study of resin-bonded calcia investment. Part 3: hardness of titanium castings . Dent Mater J . 2004;23:46–52
  15. Kikuchi H , Onouchi M , Hsu HC , Kurotani T , Nishiyama M . Titanium casting: the surface reaction layer of castings obtained using ultra-low-temperature molds . J Oral Sci . 2001;43:27–33
  16. Guilin Y , Nan L , Yousheng L , Yining W . The effects of different types of investments on the alpha-case layer of titanium castings . J Prosthet Dent . 2007;97:157–164
  17. Hsu HC , Kikuchi H , Yen SK , Nishiyama M . Evaluation of different bonded investments for dental titanium casting . J Mater Sci Mater Med . 2007;18:605–609
  18. Watanabe K , Miyakawa O , Takada Y , Okuno O , Okabe T . Casting behavior of titanium alloys in a centrifugal casting machine . Biomaterials . 2003;24:1737–1743
  19. Bessing C , Bergman M . The castability of unalloyed titanium in three different casting machines . Swed Dent J . 1992;16:109–113
  20. Takahashi J , Zhang JZ , Okazaki M . Effect of casting methods on castability of pure titanium . Dent Mater J . 1993;12:245–252
  21. Watanabe I , Woldu M , Watanabe K , Okabe T . Effect of casting method on castability of titanium and dental alloys . J Mater Sci Mater Med . 2000;11:547–553
  22. Mueller HJ . Particle and pore size distributions of investments . J Oral Rehabil . 1986;13:383–393
  23. Herø H , Syverud M , Waarli M . Mold filling and porosity in castings of titanium . Dent Mater . 1993;9:15–18
  24. Watanabe K , Okabe T . Casting pressure in two types of titanium casting equipment . Mater Trans . 2004;45:1653–1659
  25. Oliveira PC , Adabo G , Ribeiro RF , Rocha SS . The effect of mold temperature on castability of CP Ti and Ti-6AL-4V castings into phosphate bonded investment materials . Dent Mater . 2006;22:1098–1102
  26. Tidy DC . The permeability of dental casting investments . J Dent . 1974;2:227–233
  27. Ballard GT , Leinfelder KF , Taylor DF . Permeability and porosity of dental casting investments . J Prosthet Dent . 1975;34:170–178
  28. Syverud M , Herø H . Mold filling of Ti castings using investments with different gas permeability . Dent Mater . 1995;11:14–18
  29. Watanabe K , Okawa S , Kanatani M , Nakano S , Miyakawa O , Kobayashi M . New partition technique for two-chamber pressure casting unit for titanium . Dent Mater J . 2000;19:307–316

PII: S0022-3913(10)60103-5

doi: 10.1016/S0022-3913(10)60103-5

Journal of Prosthetic Dentistry
Volume 104, Issue 2 , Pages 114-121 , August 2010