Restorative Dentistry and Endodontics

  • 제28권2호
  • /
  • Pages.156-161
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  • 2003
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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광원에 따른 중합광의 복합레진 중합 능력 비교

POLYMERIZATION ABILITY OF SEVERAL LIGHT CURING SOURCES ON COMPOSITE RESIN

  • 신혜진 (강릉대학교 치과대학 치과보존학 교실) ;
  • 김진우 (강릉대학교 치과대학 치과보존학 교실) ;
  • 조경모 (강릉대학교 치과대학 치과보존학 교실)
  • Shin, Hye-Jin (Department of Conservative Dentistry, College of Dentistry, Graduate School, Kangnung National University) ;
  • Kim, Jin-Woo (Department of Conservative Dentistry, College of Dentistry, Graduate School, Kangnung National University) ;
  • Cho, Kyung-Mo (Department of Conservative Dentistry, College of Dentistry, Graduate School, Kangnung National University)
  • 발행 : 2003.03.01
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초록

The purpose of this study is to evaluate the polymerization ability of three different light sources by microhardness test. Stainless steel molds of 1, 2, 3, 4 and 5 mm in thickness of 7 mm in diameter were prepared. The hybrid composite Z100 was packed into the hole of the mold and curing light was activated for designated time. Three different light sources, conventional halogen, light emitting diode, and plasma arc, were used for curing of composite. Two different curing times applied ; one is to follow the manufacturers recommendation and the other is to extend the curing time of LED and plasma arc for balancing the light energy with halogen. Immediately after curing, the Vickers hardness was measured at the bottom of specimen. The results were as follows. 1 The composite cured with LED showed equal to higher microhardnesss than halogen. 2. The composite was cured with plasma arc by manufacturers recommendation showed lowest micro-hardness at all thickness. However, when curing time was extended, microhardness was higher than the others. In conclusion, this study suggested that plasma arc needs properly extended curing time.

키워드

참고문헌

  1. Althoff O and Hartung M: Advances in light curing. Am J Dent 13 (special no,):77D-81D, 2000
  2. Franka S, Ashworth SH, Jandt KD and Mills RW: Light-emitting diode (LED) polymerization of dental composites: flexural properties and polymerization potential. Biomaterial 21: 1379-385, 2000 https://doi.org/10.1016/S0142-9612(00)00029-6
  3. Mills RW, Jandt KD and Ashworth SH: Dental composite depth of cure with halogen and blue light emitting diode technology. British Dent J 186(8) :388-391. 1999
  4. Rueggeberg FA. Twiggs SW, Caughman WF and Khajotia S: Lifetime intensity profiles of 11 light curing units. J Dent Res 75:380. 1996
  5. Nakamura S, Mukai T and Senoh M: Candela-class high brightness InGaN/AIGaN double heterostructure blue-light-emmiting diodes. App1 Phys Lett 64: 1687-1689, 1994 https://doi.org/10.1063/1.111832
  6. Haitz RH, Craford MG and Wiessman RH:Devices. measureaments and properties. Handbook of optics. Vol 2. NewYork, McGraw-Hill,12:1-39. 1995
  7. Fujibayashi K, Ishimaru K and Kohno A: A study on light activation units using blue light-emitting diode. J Jap Dent Pres Acad 39:180-188, 1996
  8. Fujibayashi K, Ishimaru K, Takahashi N and Kohno A: Newly developed curing unit using blue light-emitting diode. Dent Jap 34:49-53. 1998
  9. Peutzfeldt A, Sahafi A and Asmunssen E: Characterization of resin composites polymerized with plasma arc curing units Dent Mater 16:330-336, 2000 https://doi.org/10.1016/S0109-5641(00)00025-7
  10. Hofman N, Hugo B, Schubert K and Klaiber B: Comparison between a plasma arc light source and conventional halogen curing units regarding flexural strength, modulus, and hardness of photo activated resin composites. Clin Oral Invest 4:140-147. 2000 https://doi.org/10.1007/s007840000063
  11. Munksgaard EC, Peutzfeldt A and Asmussen E: Elution of TEGDMA and BisGMA from a resin and a resin composite cured with halogen or plasma light. Eur J Oral Sci 108:341-345, 2000 https://doi.org/10.1034/j.1600-0722.2000.108004341.x
  12. Nomoto R: Effect of light wavelength on polymerization of light-cured resins. Dent Mater J 16(1) :60-73, 1997 https://doi.org/10.4012/dmj.16.60
  13. Jandt KD, Mills RW, Blackwell GB and Ashworth SH: Depth of cure and compressive strength of dental composites cured with blue light emitting diodes (LEDs). Dent Mater 16:41-47,2000 https://doi.org/10.1016/S0109-5641(99)00083-4
  14. Mills RW, Uhl A, Blackwell GB and Jandt KD: High power light emitting diode (LED) arrays versus halogen light polymerization of oral biomateriais Barcol Hardness, compressive strength and radiometric properties. Biomaterials 23:2955-2963, 2002 https://doi.org/10.1016/S0142-9612(02)00024-8
  15. St-Georges AJ, Swift EJ, Thompson JY and Heymann: Curing light intensity effects on wear resistance of two resin composite. Oper Dent 27:410-417, 2002
  16. Sharkey S, Ray N, Burke F and Ziada H: Surface hardness of light-activated resin composites cured by two different visible-light sources: An in vitro study. Quint Int 32:401-405, 2001
  17. Gagliani M, Fadini L and Ritzmann RM: Depth of cure efficacy of high-power curing devices vs traditional halogen lamps. J Adhes Dent 4:41-47. 2002
  18. Kne evi A, Tarle Z, Meniga A. Sutalo J. Pichler G and Ristic M: Photopolymerization of composite resins with plasma light. J Oral Rehabi1 29: 782-786, 2002 https://doi.org/10.1046/j.1365-2842.2002.00897.x
  19. Kelsey WP. Blankenau RJ. Powell GL, Barkmeier WW and Stromberg EF: Power and time requirements for use of the argon laser to polymerize composite resin. J Clin Laser Med Surg 10:273-278, 1992
  20. Koliniotou-Kubia E and Jacobson PH: The effect of irradiation time on the physical properties of light-cured resins. Clin Mater 6:21-28. 1990 https://doi.org/10.1016/0267-6605(90)90041-S

피인용 문헌

  1. Power density of light curing units through resin inlays fabricated with direct and indirect composites vol.35, pp.5, 2010, https://doi.org/10.5395/JKACD.2010.35.5.353