Diametral tensile strength of composite core material with cured and uncured fiber posts
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The aim of this study was to determine the influence of different types of posts and post head designs on the fracture resistance of a composite resin core material using the diametral tensile strength (DTS). Seventy-five disc specimens were prepared using a composite core and prefabricated glass fiber posts and were divided into four test groups and one control group (n= 15). The use of fiber posts reduced the DTS of the composite core material; the DTS value of the control material was significantly higher (p = 0.05) than all of the test groups.