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. Author manuscript; available in PMC: 2008 Apr 1.
Published in final edited form as: J Endod. 2007 Feb 20;33(4):391–398. doi: 10.1016/j.joen.2006.10.009

Fig. 1.

Fig. 1

A schematic depicting the classification of endodontic monoblocks. In a primary monoblock, there is only one interface between the root filling material and the root dentin. In a secondary monoblock, there are two interfaces, one between the fiber post/root filling material and the cement/root canal sealer, and the other between the cement/root canal sealer and the root dentin. In a tertiary monoblock, a third interface is created when a bondable coating is present on the surface of the fiber post/root filling material.