Publication: Push-out bond strength of a new post system after various post space treatments
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Date
2016-12-01
Authors
Authors
Akman, Melek
Eldeniz, Ayce Unverdi
Ince, Selen
Guneser, MEHMET BURAK
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Abstract
To assess the effect of post-space treatment with chelating agents on the push-out bond-strength of a glass fiber post-system. Fortyeight human teeth were decoronated. The roots were prepared to size 40 and obturated. The post-spaces were prepared with PeesoReamer drills. The post-spaces were irrigated with (i) NaOCl and EDTA with chlorhexidine (QMix), NaOCl and EDTA, NaOCl and Citric acid, (iv) NaOCl and saline as a control group. i-TFC glass fiber posts were then luted with i-TFC bond system. The samples were horizontally sectioned. The displacement resistance was measured. Push-out bond-strength (MPa) was calculated. Data were analyzed. NaOCl/QMix group showed highest values to dentine whereas NaOCl/Citric acid group showed lowest values. i-TFC post-system demonstrated equal bond strength values when post-space treated with either NaOCl/EDTA or NaOCl/Saline. It can be concluded that post-space could be treated with NaOCl and QMix in order to increase adhesion of i-TFC post-system to root dentine.
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Akman M., Eldeniz A. U. , Ince S., Guneser M. B. , -Push-out bond strength of a new post system after various post space treatments-, DENTAL MATERIALS JOURNAL, cilt.35, ss.876-880, 2016