### Abstract

Finite element method (FEM) has been extensively used for evaluating interfacial status inside biomaterials. This study using FEM was designed to evaluate the thermal stress behavior of a filler-matrix interface. The results were then compared to those of a previous study obtained by a laser thermoacoustic technique (LTAT). The experimental systems (75/25 Bis-GMA/TEGDMA resin reinforced with 0, 25, 50, and 75wt% 8-μm silanized/unsilanized BaSiO_{6}) as used in the previous study were modeled in this study. The established finite element models were based on coefficient of thermal expansion (CTE) Mismatch Phenomenon. The mechanical properties of the silane coupling agent, such as elastic modulus and thermal expansion coefficient used in the silanized model, were assumed to have optimal heat flux transfer. A third (imaginary) material was proposed to block the transfer of thermal stress between the filler and matrix in the unsilanized model. The thermal load simulation was based on steady-state thermal analysis. The results showed that: (1) The strain energy and interfacial shearing stress calculated from FEM validate the results from the previous LTAT study. (2) Comparing the stress distribution of silanized and unsilanized FEM models, the acoustic signals in LTAT study are mainly derived from debonding of the filler-matrix interface of silanized specimens, and from the matrix area of unsilanized specimens. Based on results to date, we conclude that the finite element method may be a powerful tool for exploring thermoacoustic mechanisms of dental composites. Copyright (C) 2000 Elsevier Science Ltd.

Original language | English |
---|---|

Pages (from-to) | 1315-1326 |

Number of pages | 12 |

Journal | Biomaterials |

Volume | 21 |

Issue number | 13 |

DOIs | |

Publication status | Published - Jul 2000 |

### Fingerprint

### Keywords

- Debonding
- Dental composite
- Finite element analysis
- Thermal stress
- Barium compounds
- Elastic moduli
- Finite element method
- Heat flux
- Heat transfer
- Plastics fillers
- Reinforced plastics
- Resins
- Shear stress
- Thermal expansion
- Thermo-debonding mechanism
- Dental composites
- biomaterial
- resin
- accuracy
- article
- biomechanics
- drug analysis
- enamel
- experimental model
- intermethod comparison
- priority journal
- shear stress
- technique
- temperature
- young modulus
- Acoustics
- Barium Compounds
- Composite Resins
- Elasticity
- Heat
- Lasers
- Materials Testing
- Mathematics
- Microscopy, Electron, Scanning
- Polyethylene Glycols
- Polymethacrylic Acids
- Silicates
- Stress, Mechanical

### ASJC Scopus subject areas

- Biotechnology
- Bioengineering
- Biomedical Engineering

### Cite this

*Biomaterials*,

*21*(13), 1315-1326. https://doi.org/10.1016/S0142-9612(99)00217-3

**Finite element analysis of thermo-debonding mechanism in dental composites.** / Lee, Sheng Yang; Chiang, Hsin Chih; Lin, Che Tong; Huang, Haw Ming; Dong, De Rei.

Research output: Contribution to journal › Article

*Biomaterials*, vol. 21, no. 13, pp. 1315-1326. https://doi.org/10.1016/S0142-9612(99)00217-3

}

TY - JOUR

T1 - Finite element analysis of thermo-debonding mechanism in dental composites

AU - Lee, Sheng Yang

AU - Chiang, Hsin Chih

AU - Lin, Che Tong

AU - Huang, Haw Ming

AU - Dong, De Rei

N1 - 被引用次數：21 Export Date: 9 August 2016 CODEN: BIMAD 通訊地址: Lee, S.-Y.; Graduate Institute, Oral Rehabilitation Sciences, Taipei Medical College, 280 Wu-Hsing Street, Taipei, Taiwan; 電子郵件： seanlee@tmc.edu.tw 化學物質/CAS: Barium Compounds; Composite Resins; Polyethylene Glycols; Polymethacrylic Acids; Silicates; triethylene glycol dimethacrylate, 109-16-0 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; Van Noort, R., Cardew, G.E., Howard, I.C., Noroozi, S., The effect of local interfacial geometry on the measurement of the tensile bond srength to dentin (1991) J Dent Res, 70, pp. 889-893; 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; Narkis, M., Chen, E.J.H., Pipes, R.B., Review of methods for characterization of interfacial fiber-matrix interactions (1988) Polym Compos, 9, pp. 245-251; Broutman, L.J., Measurements of the fiber-polymer matrix interfacial strength (1968) Interface in Composites, STP 452, pp. 27-41. , Philadephia: American Society for Testing and Materials; McMahon, P.E., Graphite fiber tensile property evaluation (1973) Analysis of the Test Methods for High Modulus Fibers and Composites, STP 521, pp. 367-389. , Philadephia: American Society for Testing and Materials; Peters, P.W.M., Springer, G.S., Effects of cure and sizing on fiber-matrix bond strength (1987) J Compos Mater, 21, pp. 157-171; Ruff A.W., Jr., Whitenton, E.P., A dynamic microindentation apparatus for materials characterization (1988) J Testing Eval, 16, pp. 12-16; Boll, D.J., Jensen, R.M., Cordner, L., Compression behavior of single carbon filaments embedded in an epoxy polymer (1990) J Compos Mater, 24, pp. 208-219; Wu, W., Thermoacoustic technique for determining the interface and/or interply strength in composites (1990) SAMPLE J, 26, 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 Compos, 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) J 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 Compos Mater, 12, pp. 348-369; Hamstad, M.A., A review: Acoustic emission, a tool for composite-materials studies (1985) Exp 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., Dong, D.-R., Huang, H.-M., Acoustic emission generated in aged dental composites using a laser thermoacoustic technique (2000) J Oral Rehabil, , in press; Plueddemann, E.P., (1982) Silane Coupling Agents, pp. 139-159. , New York: Plenum Press; Söderholm, K.-J., Influence of silane treatment and filler fraction on thermal expansion of composite resins (1984) J Dent Res, 63, pp. 1321-1326; Lin, C.-T., Lee, S.-Y., Keh, E.-S., Dong, D.-R., Huang, H.-M., Influence of silanization and filler fraction on aged dental composites (2000) J Dent Res, , in press; Zahavi, E., (1992) The Finite Element Metnod in Machine Design, , New Jersey: Prentice-Hall Inc. Chapter 1; Miles, W., Tanner, K.E., (1992) Strain Measurement in Biomechanics, pp. 169-182. , London: Chapman & Hall; Söderholm, K.J., (1985) Filler Systems and Resin Interface, pp. 139-159. , The Netherlands: Peter Szulc Publishing Co; Reddy, J.N., (1984) An Introduction to Finite Element Method, , Taipei: McGraw-Hill Inc, International Taiwan Edition by Rainboe-Bridge Book Company (Chapter 1); Mohsen, M., Craig, R.G., Effect of silanation of fillers on their dispersability by monomer systems (1995) J Oral Rehabil, 22, pp. 183-189; Katona, T.R., Winkler, M.M., Stress analysis of a bulk-filled class V light-cured composite restoration (1994) J Dent Res, 73, pp. 1470-1477; 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; Tummala, R.R., Friedberg, A.L., Thermal expansion of composite materials (1970) J Appl Phys, 41, pp. 5104-5107

PY - 2000/7

Y1 - 2000/7

N2 - Finite element method (FEM) has been extensively used for evaluating interfacial status inside biomaterials. This study using FEM was designed to evaluate the thermal stress behavior of a filler-matrix interface. The results were then compared to those of a previous study obtained by a laser thermoacoustic technique (LTAT). The experimental systems (75/25 Bis-GMA/TEGDMA resin reinforced with 0, 25, 50, and 75wt% 8-μm silanized/unsilanized BaSiO6) as used in the previous study were modeled in this study. The established finite element models were based on coefficient of thermal expansion (CTE) Mismatch Phenomenon. The mechanical properties of the silane coupling agent, such as elastic modulus and thermal expansion coefficient used in the silanized model, were assumed to have optimal heat flux transfer. A third (imaginary) material was proposed to block the transfer of thermal stress between the filler and matrix in the unsilanized model. The thermal load simulation was based on steady-state thermal analysis. The results showed that: (1) The strain energy and interfacial shearing stress calculated from FEM validate the results from the previous LTAT study. (2) Comparing the stress distribution of silanized and unsilanized FEM models, the acoustic signals in LTAT study are mainly derived from debonding of the filler-matrix interface of silanized specimens, and from the matrix area of unsilanized specimens. Based on results to date, we conclude that the finite element method may be a powerful tool for exploring thermoacoustic mechanisms of dental composites. Copyright (C) 2000 Elsevier Science Ltd.

AB - Finite element method (FEM) has been extensively used for evaluating interfacial status inside biomaterials. This study using FEM was designed to evaluate the thermal stress behavior of a filler-matrix interface. The results were then compared to those of a previous study obtained by a laser thermoacoustic technique (LTAT). The experimental systems (75/25 Bis-GMA/TEGDMA resin reinforced with 0, 25, 50, and 75wt% 8-μm silanized/unsilanized BaSiO6) as used in the previous study were modeled in this study. The established finite element models were based on coefficient of thermal expansion (CTE) Mismatch Phenomenon. The mechanical properties of the silane coupling agent, such as elastic modulus and thermal expansion coefficient used in the silanized model, were assumed to have optimal heat flux transfer. A third (imaginary) material was proposed to block the transfer of thermal stress between the filler and matrix in the unsilanized model. The thermal load simulation was based on steady-state thermal analysis. The results showed that: (1) The strain energy and interfacial shearing stress calculated from FEM validate the results from the previous LTAT study. (2) Comparing the stress distribution of silanized and unsilanized FEM models, the acoustic signals in LTAT study are mainly derived from debonding of the filler-matrix interface of silanized specimens, and from the matrix area of unsilanized specimens. Based on results to date, we conclude that the finite element method may be a powerful tool for exploring thermoacoustic mechanisms of dental composites. Copyright (C) 2000 Elsevier Science Ltd.

KW - Debonding

KW - Dental composite

KW - Finite element analysis

KW - Thermal stress

KW - Barium compounds

KW - Elastic moduli

KW - Finite element method

KW - Heat flux

KW - Heat transfer

KW - Plastics fillers

KW - Reinforced plastics

KW - Resins

KW - Shear stress

KW - Thermal expansion

KW - Thermo-debonding mechanism

KW - Dental composites

KW - biomaterial

KW - resin

KW - accuracy

KW - article

KW - biomechanics

KW - drug analysis

KW - enamel

KW - experimental model

KW - intermethod comparison

KW - priority journal

KW - shear stress

KW - technique

KW - temperature

KW - young modulus

KW - Acoustics

KW - Barium Compounds

KW - Composite Resins

KW - Elasticity

KW - Heat

KW - Lasers

KW - Materials Testing

KW - Mathematics

KW - Microscopy, Electron, Scanning

KW - Polyethylene Glycols

KW - Polymethacrylic Acids

KW - Silicates

KW - Stress, Mechanical

UR - http://www.scopus.com/inward/record.url?scp=0034100375&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034100375&partnerID=8YFLogxK

U2 - 10.1016/S0142-9612(99)00217-3

DO - 10.1016/S0142-9612(99)00217-3

M3 - Article

C2 - 10850925

AN - SCOPUS:0034100375

VL - 21

SP - 1315

EP - 1326

JO - Biomaterials

JF - Biomaterials

SN - 0142-9612

IS - 13

ER -