대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제41권3호
  • /
  • Pages.319-324
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  • 2003
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  • 0301-2875(pISSN)
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  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
권호 표지

A SHEAR BOND STRENGTH OF RESIN CEMENT BONDED TO HUMAN UNCUT ENAMEL, CUT ENAMEL, AND DENTIN IN VITRO

  • Lee Jong-Yeop (Department of Dentistry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine)
  • 발행 : 2003.06.01
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초록

Statement of problem. Adhesives in dentistry playa major role in the success of restorative treatments. In the treatment of all ceramic restoration it is needed to find the adequate bond strength between enamel and dentin. Purpose. The purpose of this study was to evaluate shear bond strength of resin cement bonded to extracted human uncut enamel, cut enamel, and dentin in vitro. Material and methods. Ten freshly extracted anterior teeth without any previous restorative treatments were chosen. The extracted teeth were embedded in PMMA cold acrylic in the shape of a cylinder, 25 mm in diameter by 25 mm in height. The bonding system used was as follow: Uni-Etch (32% phosphoric acid), One-Step adhesive, Duolink resin cement. The specimens were acid etched and rinsed with water. Two layers of One-Step adhesive were coated with a disposable brush on the uncut enamel. VIP curing light at $500mV/cm^2$ was used to cure the adhesive. For cut enamel shear bond test, the specimen used for uncut enamel was further reduced approximately $0.3{\sim}0.5mm$ using a laminate preparation diamond bur (0.3 mm in depth). The specimens were subsequently treated with 320-grit SiC paper followed by 600-grit SiC paper and cleaned with distilled water. The bonding procedure on the cut enamel was same as uncut enamel bonding procedure. For dentin bonding test, the specimen used for cut enamel was further reduced approximately $0.5mm{\sim}1.0mm$ using a laminate preparation diamond bur (0.5 mm in depth of diamond cutting). The amount of reduction was evaluated with the silicone mold. The specimens were subsequently treated with 320-grit SiC paper followed by 600-grit silicon carbon paper and cleaned in distilled water. The bonding procedure on the dentin was same as uncut enamel bonding procedure. All samples were mounted and secured on the Ultradent shear bond test sample holder, and Ultradent restricted shear bond testing device was used with Universal Instron machine until fracture. Analysis of variance (ANOVA) test was performed comparing the result at P<0.05. Multiple comparison (Tukey) was used to compare each groups. Result. The result showed that the mean value in shear bond strength of resin cement bonded to uncut enamel, cut enamel and dentin were 27.04 Mpa, 30.25 Mpa and 26.39 Mpa with respect. Conclusion. Within the limitation of this study, the mean value of the shear bond strength of cut enamel was higher than those of uncut enamel or dentin. However there existed no statistical differences between three different human dentition substrates due to increased adhesive characteristics.

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참고문헌

  1. Horb, H.R, Porcelain laminate veneers bonded to etched enamel. Dental Clinics of North America, 1983;27:671
  2. Rochette, AL., A ceramic bonded by etched enamel and resin for fractured incisors. J Prosthet Dent 1975;33 (3);287-293 https://doi.org/10.1016/S0022-3913(75)80085-0
  3. Lacy, AM., Laluz, J., Watanabe, L.G., Dellinges, M., Effect of porcelain surface treatment on the bond to composite. J Prosthet Dent 1988;60:288-91 https://doi.org/10.1016/0022-3913(88)90270-3
  4. Buonocore, M.G., A simple method of increasing the adhesion of acrylic filling material to enamel surface, J Dent Res 1955;34:849-853
  5. Nakabayashi. N., Ashizawa. M., Nakamura. M., Identification of a resin-dentin hybrid layer in vital human dentin created in vivo: durable bonding to vital dentin. Quintessence Int 1992 Feb;23(2);135-141
  6. Van Meerbeek. B., Dhem. A, Coret-Nicaise. M., Braem. M., Lambrechts. P., VanHerle. G., Comparative SEM and TEM examination of the ultrastructure of the resin-dentin interdiffusion zone. J Dent Res 1993 Feb;72(2):495-501
  7. Kanca, J.III., Improving bond strength through acid etching of dentin and bonding to wet dentin surface. JADA 1992;123:35-42
  8. Jordan, RE., Suzuki, M., Gwinnett, AJ., Hunter, J.K, Restoration of fractured and hypoplastic incisors by the acid etch resin technique: A three-year report, JADA 1977;95: 795-803
  9. Peumans. M., Van Meerbeek. B., Yoshida. Y., Lambrechts. P., Vanherle. G., Porcelain veneers bonded to tooth structure.an ultra-morphological FE-SEM examination of the adhesive interface. Dent Material 1999;15:105-119 https://doi.org/10.1016/S0109-5641(99)00020-2
  10. Ripa, L.W., Gwinnett, AJ., Buonocore, M.G., The prismless outer layer of deciduous and permanent enamel. Arch Oral Biol ;11;41-48
  11. Bozalis, W.G., Marshal, G.W., Cooley, R.O., Mechanical properties and etching of primary tooth enamel, J Dent Child, 1979;46:43-49
  12. Aker, D.A, Aker, J.R, Sorensen, S.E., Effect of method of tooth enamel preparation on the retentive strength of acid etching composite resin, JADA 1979;99:185-189
  13. Berkmeir, W.W., Shaffer, S.E., Gwinnett, J.A., Effect of 15 vs 60 second enamel acid conditioning on adhesive and morphology. Oper Dent 1986;11:111-116
  14. Iwami, Y., Yamamoto, H., Kawai. K, Effect of enamel and dentin surface wetness on shear bond strength of composite, J Prost Dent 1998;80:20-26 https://doi.org/10.1016/S0022-3913(98)70086-1
  15. Stacey GoO., A shear stress analysis of the bonding of porcelain veneers to enamel. J Prosthet Dent 1993;70:395-402 https://doi.org/10.1016/0022-3913(93)90073-W
  16. Pecola, Nikole., Yaman, Peter., Dennison, Joseph., Herrero. Alberto., Comparison of shear bond strength relative to two testing device. J Prosthet Dent 2002;88:511-515 https://doi.org/10.1067/mpr.2002.129063
  17. Hara AT., Pimenta, L.A, Rodrigues, L.A., Influence of cross-head speed on resin -dentin shear bond strength. Dent Meter 2001;14:319-23