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. Author manuscript; available in PMC: 2008 Feb 6.
Published in final edited form as: J Dent Res. 2006 Oct;85(10):945–949. doi: 10.1177/154405910608501015

Figure 2.

Figure 2

The change in the circumferential residual stress (σθave) for Z100, Herculite, and Heliomolar. The ring was cut at 10 min (solid line) and 24 hrs (dotted line) after final curing. Stress was measured at five-minute intervals until 60 min and then at 2 hrs and 24 hrs.