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Jager S, Balthazard R, Vincent M, et al. Dynamic thermo-mechanical properties of various flowable resin composites. J Clin Exp Dent. 2016;8(5):e534-e539doi: 10.4317/jced.53061.
Jager, S., Balthazard, R., Vincent, M., Dahoun, A., & Mortier, E. (2016). Dynamic thermo-mechanical properties of various flowable resin composites. Journal of clinical and experimental dentistry, 8(5), e534-e539. https://doi.org/10.4317/jced.53061
Jager, Stéphanie, et al. "Dynamic thermo-mechanical properties of various flowable resin composites." Journal of clinical and experimental dentistry vol. 8,5 (2016): e534-e539. doi: https://doi.org/10.4317/jced.53061
Jager S, Balthazard R, Vincent M, Dahoun A, Mortier E. Dynamic thermo-mechanical properties of various flowable resin composites. J Clin Exp Dent. 2016 Dec 01;8(5):e534-e539. doi: 10.4317/jced.53061. eCollection 2016 Dec. PMID: 27957266; PMCID: PMC5149087.
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J Clin Exp Dent. 2016 Dec 01;8(5):e534-e539. doi: 10.4317/jced.53061. eCollection 2016 Dec.

Dynamic thermo-mechanical properties of various flowable resin composites.

Journal of clinical and experimental dentistry

Stéphanie Jager, Rémy Balthazard, Marin Vincent, Abdessellam Dahoun, Eric Mortier

Affiliations

  1. DDS, research fellow, Département d'Odontologie Pédiatrique, Faculté d'Odontologie, 54000 Nancy, France.
  2. DDS, PhD, Département d'Odontologie Conservatrice, Faculté d'Odontologie, 54000 Nancy, France.
  3. DDS, research fellow, Département d'Odontologie Conservatrice, Faculté d'Odontologie, 54000 Nancy, France.
  4. Professor, Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, Parc de Saurupt, 54011 Nancy Cedex, France.
  5. DDS, PhD, Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, Parc de Saurupt, 54011 Nancy Cedex, France.

PMID: 27957266 PMCID: PMC5149087 DOI: 10.4317/jced.53061

Abstract

BACKGROUND: This study compared the storage modulus (E'), the loss modulus (E'') and the loss tangent (tan δ) of various flowable resin composites.

MATERIAL AND METHODS: Grandio Flow (GRF), GrandioSo Heavy Flow (GHF), Filtek Supreme XTE (XTE) and Filtek Bulk Fill (BUL) flowable resins and Clinpro Sealant (CLI) ultra-flowable pit and fissure sealant resin were used. 25 samples were tested using a dynamical mechanical thermal analysis system in bending mode. Measurements were taken within a temperature range of 10 to 55°C. The results were statistically analyzed using mixed-effect and repeated-measure analysis of variance followed by paired multiple comparisons.

RESULTS: For all the materials, the E' values decrease with temperature, whereas the tan δ values increase. Irrespective of the temperature, GHF and GRF present E' and E'' values significantly higher than all the other materials and CLI presents values significantly lower than all the other materials. Observation of the values for all the materials reveals a linear progression of the tan δ values with temperature.

CONCLUSIONS: A variation in temperature within a physiological range generates modifications in mechanical properties without damaging the material, however. Filler content in volume terms appears to be the crucial parameter in the mechanical behavior of tested materials.

Conflict of interest statement

The authors declare that they have no conflict of interest.

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