Polymerization shrinkage and stress analysis during dental restoration observed by digital image correlation method

2021 ◽  
Vol 35 (12) ◽  
pp. 5435-5444
Author(s):  
Jung-Hoon Park ◽  
Nak-Sam Choi
Keyword(s):  
Digital Image Correlation ◽  
Stress Analysis ◽  
Digital Image ◽  
Correlation Method ◽  
Dental Restoration ◽  
Image Correlation ◽  
Digital Image Correlation Method ◽  
Polymerization Shrinkage

Experimental Analysis of Polymerization Shrinkage of Dental Restoration Material in Cavities

2010 ◽  
Vol 123-125 ◽  
pp. 319-322
Author(s):  
Kazuo Arakawa
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Composite Resin ◽  
Correlation Method ◽  
Dental Restoration ◽  
Image Correlation ◽  
Polymerization Shrinkage ◽  
X Ray ◽  
Shrinkage Force ◽  
Cylindrical Cavities

The polymerization shrinkage of light-cured composite resin, a dental restoration material, was studied using three different experimental methods. Digital image correlation method was used to examine the shrinkage deformation on the free surface of artificial cylindrical cavities. X-ray CT images and the digital image correlation were employed to measure the shrinkage deformation in the cavities. The shrinkage force was measured at the floor of the cavity using a load-cell, and evaluated as functions of time and the depth of the cavity.

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