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. 2018 Dec 12;10:287–296. doi: 10.2147/CCIDE.S184660

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© 2018 Pereira et al. This work is published and licensed by Dove Medical Press Limited

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Representative images of polymerization-shrinkage stress obtained by each group.

Notes: (A) Obtained by Z250 bulk; (B) obtained by two Z250 increments; (C) obtained by three Z250 increments; (D) obtained by SDR bulk; (E) obtained by two SDR increments; (F) obtained by three SDR increments; (G) obtained by NDU bulk; (H) obtained by two NDU increments; (I) obtained by three NDU increments. Arrows indicate the location of higher numerical values.