## Abstract Thermal conductivities were determined for five commercial composite restorative materials, one composite crown and bridge cement, two cavity βbases,β and poly(methyl methacrylate). In addition, the effect on thermal conductivity of concentration and type for five resinβreinforcing fill
Measurement of Poisson's ratio of dental composite restorative materials
β Scribed by Sew Meng Chung; Adrian U Jin Yap; Wee Kiat Koh; Kuo Tsing Tsai; Chwee Teck Lim
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 193 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0142-9612
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π SIMILAR VOLUMES
The double-torsion technique has been used to determine critical stress intensity factor (K1,) values for a range of composites and glass ionomer cements used in restorative dentistry. From these values and determined elastic modulus ( E ) and tensile strength (cT) values, two other fracture propert
## Abstract In the oral environment, dental restorative materials are exposed to temperatures ranging from 10Β° to 50Β°C. Since the properties of many polymeric materials are sensitive to temperature of this magnitude, it is important to define the effects of service temperature on the mechanical pro