Polymerization of the Dental Adhesives
2011
Objective: The bonding adhesive holds the composite filling to the residual tooth, creating a chain cross-–link during the photo polymerization process. In this article we will be discussing the polymerization process under a thermodynamic viewpoint between amorphous structures of the dental market adhesives, the hybrid layer of the residual tooth and the white polymers filling. The thermodynamic can explain the relationship between energy and the effects on the mechanical properties. These results will be the platform of the mechanical properties of these adhesives. Significance: The main significance is that the amorphous structure is present in all six adhesive experiments, showing strong possibilities of bonding with another molecule. The amorphous structure of dental adhesive has intrinsic high entropy and high free Gibbs’s energy, thus improving the possibility of bonding with the neighbor’s molecules. Findings: The bonding quality is related to the time delay of photopolymerization and it was controlled with the variable etching treatment water evaporation. In addition, it was found that different curing light wavelength sizes could obtain better molecular organization, avoiding internal stress and bonding defect.
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