Flexural creep deformation and recovery in dental composites
β Scribed by J Vaidyanathan; T.K Vaidyanathan
- Book ID
- 117455183
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 106 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0300-5712
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The creep of microspecimens of posterior dental composites was studied using a torsional creep apparatus. Shear stresses were maintained for 3 h and recovery was followed for 50 h. Creep curves were ob- tained at 21, 37, and 50Β°C and four torque levels. The effect of conditioning the specimens in wa
The flexural fatigue test equipment developed was used to study the fatigue behavior of dental restorative composites, using a "staircase" approach. Three commercial composites were tested after dry and wet storage conditions. The findings indicate that the method is accurate and reliable, and that
The creep of microspecimens of two conventional and two microfilled composites was studied using a torsional creep apparatus. Small stresses below the materials' proportional limits were maintained for 3 h and recovery was monitored for 30 h. Creep curves were obtained at 21.5,37, and 50Β°C, and thre