Abstract

The finite element method (FEM) has been extensively used in evaluating the interfacial status of biomaterials. We used FEM to explore the microscopic debonding mechanism of the dentin/hybrid layer/resin adhesive interface. The stress status of the local material was used as an index to judge whether the adhesive interface would develop a debonding mechanism. To generate the local stress concentration, the thermal boundary condition was applied to the model which has the phenomenon of the coefficient of thermal expansion (CTE) mismatch. The thermal boundary condition was used to emulate a previous study conducted with a laser thermoacoustic technique (LTAT). The materials, Scotchbond MP, Optibond, and Tenure bonding systems, used in the previous experiment were also tested in this study. The results show that interfacial debonding in the finite element model occurred through the hybrid layer for both the Scotchbond MP and Tenure systems, as well as within the adhesive layer itself for the Optibond system. These findings are compatible with observations by SEM obtained by LTAT. Another transformed model was created to test the 'elastic cavity wall' concept. The result also confirms the importance of the elastic cavity wall concept. These compatible results between FEM and LTAT indicate that FEM can be a very useful supplement to thermoacoustic testing. Copyright (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)113-123
Number of pages11
JournalBiomaterials
Volume22
Issue number2
DOIs
Publication statusPublished - Jan 15 2001

Fingerprint

Thermoacoustics
Finite Element Analysis
Debonding
Dentin
Computer systems
Adhesives
Finite element method
Lasers
Hot Temperature
Boundary conditions
Biocompatible Materials
Biomaterials
Thermal expansion
Stress concentration
Resins
Scanning electron microscopy
Testing
Experiments
Scotchbond
Optibond

Keywords

  • Debonding
  • Dentin bonding system
  • Finite element analysis
  • Thermal stress
  • Bonding
  • Finite element method
  • Interfaces (materials)
  • Mathematical models
  • Resins
  • Scanning electron microscopy
  • Thermal expansion
  • Coefficient of thermal expansion
  • Laser thermoacoustic technique
  • Dental materials
  • biomaterial
  • dentin bonding agent
  • article
  • finite element analysis
  • model
  • priority journal
  • Biocompatible Materials
  • Comparative Study
  • Dentin
  • Dentin-Bonding Agents
  • Heat
  • Microscopy, Electron, Scanning
  • Resin Cements
  • Stress, Mechanical
  • Structure-Activity Relationship
  • Support, Non-U.S. Gov't
  • Thermodynamics

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering

Cite this

Thermo-debonding mechanisms in dentin bonding systems using finite element analysis. / Lee, Sheng Yang; Chiang, Hsin Chih; Huang, Haw Ming; Shih, Yung Hsun; Chen, Hsin Chung; Dong, De Rei; Lin, Che Tong.

In: Biomaterials, Vol. 22, No. 2, 15.01.2001, p. 113-123.

Research output: Contribution to journalArticle

@article{abe3503baad14cb280902bb104872f0d,
title = "Thermo-debonding mechanisms in dentin bonding systems using finite element analysis",
abstract = "The finite element method (FEM) has been extensively used in evaluating the interfacial status of biomaterials. We used FEM to explore the microscopic debonding mechanism of the dentin/hybrid layer/resin adhesive interface. The stress status of the local material was used as an index to judge whether the adhesive interface would develop a debonding mechanism. To generate the local stress concentration, the thermal boundary condition was applied to the model which has the phenomenon of the coefficient of thermal expansion (CTE) mismatch. The thermal boundary condition was used to emulate a previous study conducted with a laser thermoacoustic technique (LTAT). The materials, Scotchbond MP, Optibond, and Tenure bonding systems, used in the previous experiment were also tested in this study. The results show that interfacial debonding in the finite element model occurred through the hybrid layer for both the Scotchbond MP and Tenure systems, as well as within the adhesive layer itself for the Optibond system. These findings are compatible with observations by SEM obtained by LTAT. Another transformed model was created to test the 'elastic cavity wall' concept. The result also confirms the importance of the elastic cavity wall concept. These compatible results between FEM and LTAT indicate that FEM can be a very useful supplement to thermoacoustic testing. Copyright (C) 2000 Elsevier Science B.V.",
keywords = "Debonding, Dentin bonding system, Finite element analysis, Thermal stress, Bonding, Finite element method, Interfaces (materials), Mathematical models, Resins, Scanning electron microscopy, Thermal expansion, Coefficient of thermal expansion, Laser thermoacoustic technique, Dental materials, biomaterial, dentin bonding agent, article, finite element analysis, model, priority journal, Biocompatible Materials, Comparative Study, Dentin, Dentin-Bonding Agents, Heat, Microscopy, Electron, Scanning, Resin Cements, Stress, Mechanical, Structure-Activity Relationship, Support, Non-U.S. Gov't, Thermodynamics",
author = "Lee, {Sheng Yang} and Chiang, {Hsin Chih} and Huang, {Haw Ming} and Shih, {Yung Hsun} and Chen, {Hsin Chung} and Dong, {De Rei} and Lin, {Che Tong}",
note = "被引用次數:24 Export Date: 9 August 2016 CODEN: BIMAD 通訊地址: Lee, S.-Y.; Grad. Inst. Oral Rehabilitation Sci., Taipei Medical College, 250 Wu-Hsing Street, Taipei, Taiwan; 電子郵件: seanlee@tmc.edu.tw 化學物質/CAS: Biocompatible Materials; Dentin-Bonding Agents; Optibond; Resin Cements; Scotchbond Multi-Purpose 商標: Clearfil Protect liner, Kuraray, Japan; Dentin; Hybrid layer; Optibond; Scotchbond MP; Tenure; Z100 製造商: Kuraray, Japan 參考文獻: Van Noort, R., Cardew, G.E., Howard, I.C., A study of the interfacial shear and tensile stresses in a restored molar tooth (1988) J Dent, 16, pp. 286-293; Van Noort, R., Noroozi, S., Howard, I.C., Cardew, G.E., A critique of bond strength measurements (1989) J Dent, 17, pp. 61-67; Fowler, C.S., Swartz, M.L., Moore, B.K., Rhodes, B.F., Influence of selected variables on adhesion testing (1992) Dent Mater, 4, pp. 265-269; Spencer, P., Byerley, T.J., Eick, J.D., Witt, J.D., Chemical characterization of the dentin/adhesive interface by Fourier transform infrared photoacoustic spectroscopy (1992) Dent Mater, 8, pp. 10-15; Van Meerbeek, B., Inokoshi, S., Braem, M., Lambrechts, P., Vanherle, G., Morphological aspects of the resin-dentin interdiffusion zone with different dentin adhesive systems (1992) J Dent Res, 71, pp. 1530-1540; Van Meerbeek B, Dhem A, Goret-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 1993a;72:495-501Nakabayashi, N., Kojima, K., Masuhara, E., The promotion of adhesive by the infiltration of monomers into tooth substrates (1982) J Biomed Mater Res, 16, pp. 265-273; Wu, W., Thermoacoustic technique for determining the interface and/or interply strength in composites (1990) SAMPLE, 26 J, pp. 11-15; Kondo, S., Ohkawa, S., Hanawa, T., Sugawara, T., Ota, M., Evaluation of conventional and microfilled composite resins using an acoustic emission technique (1985) Dent Mater, 4, pp. 81-87; Narisawa, I., Oba, H., An evaluation of acoustic emission from fiber-reinforced composite (1984) J Mater Sci, 19, pp. 1777-1786; Sachse, W., Kim, K.Y., Quantitative acoustic emission and failure mechanics of composite materials (1987) Ultrasonics, 25, pp. 195-203; Roy, C., El Ghorba, M., Monitoring progression of mode II delamination during fatigue loading through acoustic emission in laminated glass fiber composite (1988) Polym Comp, 9, pp. 345-351; Yuyama, S., Imanaka, T., Ohtsu, M., Quantitative evaluation of microfracture due to disbonding by wave form analysis of acoustic emission (1988) J Acoust Soc Am, 83, pp. 976-983; Kim, K.H., Park, J.H., Imai, Y., Kishi, T., Fracture behavior of dental composite resins (1991) Biomed Mater Eng, 1, pp. 49-61; Kim, K.H., Park, J.H., Imai, Y., Kishi, T., Microfracture mechanisms of dental resin composites containing spherical-shaped filler particles (1994) J Dent Res, 73, pp. 499-504; Williams J.H. Jr, Lee, S.S., Acoustic emission monitoring of fiber composite materials and structures (1978) J Comp Mater, 12, pp. 348-369; Hamstad, M.A., A review; Acoustic emission, a tool for composite-materials studies (1985) Experi Mech, 26, pp. 7-13; Duray, S.J., Lee, S.Y., Menis, D.L., Gilbert, J.L., Lautenschlager, E.P., Greener, E.H., Laser acoustic emission thermal technique (LAETT); a technique for generating acoustic emission in dental composites (1996) Dent Mater, 12, pp. 13-18; Lee, S.Y., Lin, C.T., Keh, E.S., Pan, L.C., Huang, H.W., Shih, Y.H., Cheng, H.C., Laser-induced acoustic emissions in experimental dental composites (2000) Biomaterials,, 21, pp. 1399-1408; Lee S-Y, Lin C-T, Dong D-R, Huang H-M, Acoustic emission generated in aged dental composites using a laser thermoacoustic technique. J Oral Rehabil, 2000, in pressLin, C.T., Lee, S.Y., Kuo, Y.W., Lu, H.K., Cheng, H.C., Laser-induced acoustic emission in aged dentin bonding systems (1998) J Dent Res, 77, p. 943; Lee, S.Y., Chiang, H.C., Lin, C.T., Huang, H.M., Dong, D.R., Finite element analysis of thermo-debonding mechanism in dental composites (2000) Biomaterials, 21, pp. 1315-1326; Sturdevant CM, Roberson TM, Heymann HO, Sturdevant JR. The art and science of operative dentistry, 3rd rev. ed. New York: Mosby, 1995. p. 18-8, 249-51Sano, H., Ciucchi, B., Matthews, W.G., Pashley, D.H., Tensile properties of mineralized and demineralized human and bovine dentin (1994) J Dent Res, 73, pp. 1205-1211; Van Meerbeek B, Willems G, Celis JP, Roos JR, Braem M, Lambrechts P, Vanherle G. Assessment by nano-indentation of the hardness and elasticity of the resin-dentin bonding area. J Dent Res 1993b;72:1434Nakabayashi, N., Ashizawa, M., Nakamura, M., Identification of a resin-dentin hybrid layer in vital human dentin created in vivo; durable bonding to vital dentin (1992) Quint Int, 23, pp. 135-141; Tam, L.E., Pilliar, R.M., Effects of dentin surface treatments on the fracture toughness and tensile bond strength of a dentin-composite adhesive interface (1994) J Dent Res, 73, pp. 1530-1538; Marshall G.W. Jr, Dentin; microstructure and characterization (1993) Quint Int, 24, pp. 606-617; Sano, H., Takatsu, T., Ciucchi, B., Russell, C.M., Pashley, D.H., Tensile properties of resin-infiltrated demineralized human dentin (1995) J Dent Res, 74, pp. 1093-1102; Van Noort, R., Cardew, G.E., Howard, I.C., Noroozi, S., The effect of local interfacial geometry on the measurement of the tensile bond strength to dentin (1991) J Dent Res, 70, pp. 889-893; Tagami, J., Nakajima, M., Shono, T., Takatsu, T., Hosoda, H., Effect of aging on dentin bonding (1993) Am J Dent, 6, pp. 145-147; Waters, N.E., Some mechanical and physical properties of teeth; in: the mechanical properties of biological materials (1980) Symp Soc Exp Biol, 34, pp. 99-135; Kemp-Scholte, C.M., Davidson, C.L., Complete marginal seal of class V resin composite restorations effected by increased flexibility (1990) J Dent Res, 69, pp. 1240-1243; O'Brien WJ. Dental material: properties and selection. Chicago, IL: Quintessence Publishing Co., 1989. p. 514-15, 527-8Powers, J.M., Hostetler, R.W., Dennison, J.B., Thermal expansion of composite resins and sealants (1979) J Dent Res, 58, pp. 584-587; Winkler, M.M., Katona, T.R., Paydar, N.H., Finite element stress analysis of three filling techniques for class V light-cured composite restoration (1996) J Dent Res, 75, pp. 1477-1483; Park, J.B., Lakes, R.S., Biomaterials; an introduction, 2nd rev. ed (1992), pp. 185-222. , New York: Plenum PressMoreira, H., Campos, M., Sawusch, M.R., (1993) Holmium laser thermokeratoplasty. Ophthalmology, 100, pp. 752-761; Moroi, H.H., Okimoto, K., Moroi, R., Terada, Y., Numeric approach to the biomechanical analysis of thermal effects in the coated implants (1993) Int J Prosthodont, 6, pp. 564-572; De Vree, J.H., Spierings, T.A., Plasschaert, A.J., A simulation model for transient thermal analysis of restored teeth (1983) J Dent Res, 62, pp. 756-759; Spierings, T.A., De Vree, J.H., Peters, M.C., Plasschaert, A.J., The influence of restorative dental materials on heat transmission in human teeth (1984) J Dent Res, 63, pp. 1096-1100; Braem, M., Lambrechts, P., Van Doren, V., Vanherle, G., The impact of composite structure on its elastic response (1986) J Dent Res, 65, pp. 648-653; Yamaguchi, R., Powers, J.M., Denssion, J.B., Parameters affecting in vitro bond strength of composite to enamel and dentin (1989) Dent Mater, 5, pp. 153-156",
year = "2001",
month = "1",
day = "15",
doi = "10.1016/S0142-9612(00)00086-7",
language = "English",
volume = "22",
pages = "113--123",
journal = "Biomaterials",
issn = "0142-9612",
publisher = "Elsevier Science Ltd",
number = "2",

}

TY - JOUR

T1 - Thermo-debonding mechanisms in dentin bonding systems using finite element analysis

AU - Lee, Sheng Yang

AU - Chiang, Hsin Chih

AU - Huang, Haw Ming

AU - Shih, Yung Hsun

AU - Chen, Hsin Chung

AU - Dong, De Rei

AU - Lin, Che Tong

N1 - 被引用次數:24 Export Date: 9 August 2016 CODEN: BIMAD 通訊地址: Lee, S.-Y.; Grad. Inst. Oral Rehabilitation Sci., Taipei Medical College, 250 Wu-Hsing Street, Taipei, Taiwan; 電子郵件: seanlee@tmc.edu.tw 化學物質/CAS: Biocompatible Materials; Dentin-Bonding Agents; Optibond; Resin Cements; Scotchbond Multi-Purpose 商標: Clearfil Protect liner, Kuraray, Japan; Dentin; Hybrid layer; Optibond; Scotchbond MP; Tenure; Z100 製造商: Kuraray, Japan 參考文獻: Van Noort, R., Cardew, G.E., Howard, I.C., A study of the interfacial shear and tensile stresses in a restored molar tooth (1988) J Dent, 16, pp. 286-293; Van Noort, R., Noroozi, S., Howard, I.C., Cardew, G.E., A critique of bond strength measurements (1989) J Dent, 17, pp. 61-67; Fowler, C.S., Swartz, M.L., Moore, B.K., Rhodes, B.F., Influence of selected variables on adhesion testing (1992) Dent Mater, 4, pp. 265-269; Spencer, P., Byerley, T.J., Eick, J.D., Witt, J.D., Chemical characterization of the dentin/adhesive interface by Fourier transform infrared photoacoustic spectroscopy (1992) Dent Mater, 8, pp. 10-15; Van Meerbeek, B., Inokoshi, S., Braem, M., Lambrechts, P., Vanherle, G., Morphological aspects of the resin-dentin interdiffusion zone with different dentin adhesive systems (1992) J Dent Res, 71, pp. 1530-1540; Van Meerbeek B, Dhem A, Goret-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 1993a;72:495-501Nakabayashi, N., Kojima, K., Masuhara, E., The promotion of adhesive by the infiltration of monomers into tooth substrates (1982) J Biomed Mater Res, 16, pp. 265-273; Wu, W., Thermoacoustic technique for determining the interface and/or interply strength in composites (1990) SAMPLE, 26 J, pp. 11-15; Kondo, S., Ohkawa, S., Hanawa, T., Sugawara, T., Ota, M., Evaluation of conventional and microfilled composite resins using an acoustic emission technique (1985) Dent Mater, 4, pp. 81-87; Narisawa, I., Oba, H., An evaluation of acoustic emission from fiber-reinforced composite (1984) J Mater Sci, 19, pp. 1777-1786; Sachse, W., Kim, K.Y., Quantitative acoustic emission and failure mechanics of composite materials (1987) Ultrasonics, 25, pp. 195-203; Roy, C., El Ghorba, M., Monitoring progression of mode II delamination during fatigue loading through acoustic emission in laminated glass fiber composite (1988) Polym Comp, 9, pp. 345-351; Yuyama, S., Imanaka, T., Ohtsu, M., Quantitative evaluation of microfracture due to disbonding by wave form analysis of acoustic emission (1988) J Acoust Soc Am, 83, pp. 976-983; Kim, K.H., Park, J.H., Imai, Y., Kishi, T., Fracture behavior of dental composite resins (1991) Biomed Mater Eng, 1, pp. 49-61; Kim, K.H., Park, J.H., Imai, Y., Kishi, T., Microfracture mechanisms of dental resin composites containing spherical-shaped filler particles (1994) J Dent Res, 73, pp. 499-504; Williams J.H. Jr, Lee, S.S., Acoustic emission monitoring of fiber composite materials and structures (1978) J Comp Mater, 12, pp. 348-369; Hamstad, M.A., A review; Acoustic emission, a tool for composite-materials studies (1985) Experi Mech, 26, pp. 7-13; Duray, S.J., Lee, S.Y., Menis, D.L., Gilbert, J.L., Lautenschlager, E.P., Greener, E.H., Laser acoustic emission thermal technique (LAETT); a technique for generating acoustic emission in dental composites (1996) Dent Mater, 12, pp. 13-18; Lee, S.Y., Lin, C.T., Keh, E.S., Pan, L.C., Huang, H.W., Shih, Y.H., Cheng, H.C., Laser-induced acoustic emissions in experimental dental composites (2000) Biomaterials,, 21, pp. 1399-1408; Lee S-Y, Lin C-T, Dong D-R, Huang H-M, Acoustic emission generated in aged dental composites using a laser thermoacoustic technique. J Oral Rehabil, 2000, in pressLin, C.T., Lee, S.Y., Kuo, Y.W., Lu, H.K., Cheng, H.C., Laser-induced acoustic emission in aged dentin bonding systems (1998) J Dent Res, 77, p. 943; Lee, S.Y., Chiang, H.C., Lin, C.T., Huang, H.M., Dong, D.R., Finite element analysis of thermo-debonding mechanism in dental composites (2000) Biomaterials, 21, pp. 1315-1326; Sturdevant CM, Roberson TM, Heymann HO, Sturdevant JR. The art and science of operative dentistry, 3rd rev. ed. New York: Mosby, 1995. p. 18-8, 249-51Sano, H., Ciucchi, B., Matthews, W.G., Pashley, D.H., Tensile properties of mineralized and demineralized human and bovine dentin (1994) J Dent Res, 73, pp. 1205-1211; Van Meerbeek B, Willems G, Celis JP, Roos JR, Braem M, Lambrechts P, Vanherle G. Assessment by nano-indentation of the hardness and elasticity of the resin-dentin bonding area. J Dent Res 1993b;72:1434Nakabayashi, N., Ashizawa, M., Nakamura, M., Identification of a resin-dentin hybrid layer in vital human dentin created in vivo; durable bonding to vital dentin (1992) Quint Int, 23, pp. 135-141; Tam, L.E., Pilliar, R.M., Effects of dentin surface treatments on the fracture toughness and tensile bond strength of a dentin-composite adhesive interface (1994) J Dent Res, 73, pp. 1530-1538; Marshall G.W. Jr, Dentin; microstructure and characterization (1993) Quint Int, 24, pp. 606-617; Sano, H., Takatsu, T., Ciucchi, B., Russell, C.M., Pashley, D.H., Tensile properties of resin-infiltrated demineralized human dentin (1995) J Dent Res, 74, pp. 1093-1102; Van Noort, R., Cardew, G.E., Howard, I.C., Noroozi, S., The effect of local interfacial geometry on the measurement of the tensile bond strength to dentin (1991) J Dent Res, 70, pp. 889-893; Tagami, J., Nakajima, M., Shono, T., Takatsu, T., Hosoda, H., Effect of aging on dentin bonding (1993) Am J Dent, 6, pp. 145-147; Waters, N.E., Some mechanical and physical properties of teeth; in: the mechanical properties of biological materials (1980) Symp Soc Exp Biol, 34, pp. 99-135; Kemp-Scholte, C.M., Davidson, C.L., Complete marginal seal of class V resin composite restorations effected by increased flexibility (1990) J Dent Res, 69, pp. 1240-1243; O'Brien WJ. Dental material: properties and selection. Chicago, IL: Quintessence Publishing Co., 1989. p. 514-15, 527-8Powers, J.M., Hostetler, R.W., Dennison, J.B., Thermal expansion of composite resins and sealants (1979) J Dent Res, 58, pp. 584-587; Winkler, M.M., Katona, T.R., Paydar, N.H., Finite element stress analysis of three filling techniques for class V light-cured composite restoration (1996) J Dent Res, 75, pp. 1477-1483; Park, J.B., Lakes, R.S., Biomaterials; an introduction, 2nd rev. ed (1992), pp. 185-222. , New York: Plenum PressMoreira, H., Campos, M., Sawusch, M.R., (1993) Holmium laser thermokeratoplasty. Ophthalmology, 100, pp. 752-761; Moroi, H.H., Okimoto, K., Moroi, R., Terada, Y., Numeric approach to the biomechanical analysis of thermal effects in the coated implants (1993) Int J Prosthodont, 6, pp. 564-572; De Vree, J.H., Spierings, T.A., Plasschaert, A.J., A simulation model for transient thermal analysis of restored teeth (1983) J Dent Res, 62, pp. 756-759; Spierings, T.A., De Vree, J.H., Peters, M.C., Plasschaert, A.J., The influence of restorative dental materials on heat transmission in human teeth (1984) J Dent Res, 63, pp. 1096-1100; Braem, M., Lambrechts, P., Van Doren, V., Vanherle, G., The impact of composite structure on its elastic response (1986) J Dent Res, 65, pp. 648-653; Yamaguchi, R., Powers, J.M., Denssion, J.B., Parameters affecting in vitro bond strength of composite to enamel and dentin (1989) Dent Mater, 5, pp. 153-156

PY - 2001/1/15

Y1 - 2001/1/15

N2 - The finite element method (FEM) has been extensively used in evaluating the interfacial status of biomaterials. We used FEM to explore the microscopic debonding mechanism of the dentin/hybrid layer/resin adhesive interface. The stress status of the local material was used as an index to judge whether the adhesive interface would develop a debonding mechanism. To generate the local stress concentration, the thermal boundary condition was applied to the model which has the phenomenon of the coefficient of thermal expansion (CTE) mismatch. The thermal boundary condition was used to emulate a previous study conducted with a laser thermoacoustic technique (LTAT). The materials, Scotchbond MP, Optibond, and Tenure bonding systems, used in the previous experiment were also tested in this study. The results show that interfacial debonding in the finite element model occurred through the hybrid layer for both the Scotchbond MP and Tenure systems, as well as within the adhesive layer itself for the Optibond system. These findings are compatible with observations by SEM obtained by LTAT. Another transformed model was created to test the 'elastic cavity wall' concept. The result also confirms the importance of the elastic cavity wall concept. These compatible results between FEM and LTAT indicate that FEM can be a very useful supplement to thermoacoustic testing. Copyright (C) 2000 Elsevier Science B.V.

AB - The finite element method (FEM) has been extensively used in evaluating the interfacial status of biomaterials. We used FEM to explore the microscopic debonding mechanism of the dentin/hybrid layer/resin adhesive interface. The stress status of the local material was used as an index to judge whether the adhesive interface would develop a debonding mechanism. To generate the local stress concentration, the thermal boundary condition was applied to the model which has the phenomenon of the coefficient of thermal expansion (CTE) mismatch. The thermal boundary condition was used to emulate a previous study conducted with a laser thermoacoustic technique (LTAT). The materials, Scotchbond MP, Optibond, and Tenure bonding systems, used in the previous experiment were also tested in this study. The results show that interfacial debonding in the finite element model occurred through the hybrid layer for both the Scotchbond MP and Tenure systems, as well as within the adhesive layer itself for the Optibond system. These findings are compatible with observations by SEM obtained by LTAT. Another transformed model was created to test the 'elastic cavity wall' concept. The result also confirms the importance of the elastic cavity wall concept. These compatible results between FEM and LTAT indicate that FEM can be a very useful supplement to thermoacoustic testing. Copyright (C) 2000 Elsevier Science B.V.

KW - Debonding

KW - Dentin bonding system

KW - Finite element analysis

KW - Thermal stress

KW - Bonding

KW - Finite element method

KW - Interfaces (materials)

KW - Mathematical models

KW - Resins

KW - Scanning electron microscopy

KW - Thermal expansion

KW - Coefficient of thermal expansion

KW - Laser thermoacoustic technique

KW - Dental materials

KW - biomaterial

KW - dentin bonding agent

KW - article

KW - finite element analysis

KW - model

KW - priority journal

KW - Biocompatible Materials

KW - Comparative Study

KW - Dentin

KW - Dentin-Bonding Agents

KW - Heat

KW - Microscopy, Electron, Scanning

KW - Resin Cements

KW - Stress, Mechanical

KW - Structure-Activity Relationship

KW - Support, Non-U.S. Gov't

KW - Thermodynamics

UR - http://www.scopus.com/inward/record.url?scp=0035864266&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035864266&partnerID=8YFLogxK

U2 - 10.1016/S0142-9612(00)00086-7

DO - 10.1016/S0142-9612(00)00086-7

M3 - Article

C2 - 11101156

AN - SCOPUS:0035864266

VL - 22

SP - 113

EP - 123

JO - Biomaterials

JF - Biomaterials

SN - 0142-9612

IS - 2

ER -