Objective: To compare the fracture resistances between of anterio r or posterior teeth reconstructed restored with canal pins and those with caste d and post cores under the same conditions. Methods: Compressive strength of rec onstructed restored teeth in vitro with canal pins or post and cores were tested by an electronic material test machine. Results: The compressive strength of an terior roots with post and cores were larger higher than those with canal pins(P <0.05).But there was not significant diffe...
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