EFFECTS OF CORE PREPARATION TIME ON THE RETENTION OF CEMENTED CAST POST

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SAVABI ESFAHANI O.; KHOSRAVI KAZEM; EBRAHIMI MAZIYAR; HOSSEINI PEYMANEH; MAALEKIPOUR M.R.

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Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2005 | Volume:17 | Issue:3 (56) Page(s): 49-54

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Title

EFFECTS OF CORE PREPARATION TIME ON THE RETENTION OF CEMENTED CAST POST

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Keywords

CAST POST AND COREQ4

RETENTIONQ2

ZINC PHOSPHATE CEMENTQ3

PREPARATIONQ3

Abstract

Background and Aim: Core PREPARATION following cast post cementation is necessary. It seems that bur vibration may result in cracks and interfere with cement setting procedure. The aim of this study was to investigate the effects of different core PREPARATION times on the RETENTION of cemented cast post.Materials and Methods: Forty-eight intact canines were selected. After root canal theory posts and cores were fabricated for all samples. The specimens were randomly divided into four groups of twelve teeth. All posts and cores were cemented with ZINC PHOSPHATE CEMENT according to the manufacturer's instructions. In the first group (control) no PREPARATION was made after cementation but cores of three other groups were prepared at different intervals (15 minutes, 30 minutes and 24 hours) after cementation. The PREPARATIONs were made for 30 seconds incisally, 60 seconds palatally and 120 seconds axially. Then all specimens were stored in an incubatore for one week. An instron machine was used to determine the tensile force required for each post dislodgement. Data were subjected to one-way ANOVA at 0.05 level of significance.Results: The mean tensile forces for groups 1 to 4 were 650.58, 641.58, 616.45 and 549.87 Newton, respectively. The differences were not statistically significant.Conclusion: Considering the limitations of the present study, it can be concluded that with respect to the applied cement, different intervals of high-speed PREPARATION have no significant negative effects on cast posts RETENTION.

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EFFECT OF PREPARATION TIME ON CEMENTEDCAST POST-COR

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APA: Copy

SAVABI ESFAHANI, O., KHOSRAVI, KAZEM, EBRAHIMI, MAZIYAR, HOSSEINI, PEYMANEH, & MAALEKIPOUR, M.R.. (2005). EFFECTS OF CORE PREPARATION TIME ON THE RETENTION OF CEMENTED CAST POST. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 17(3 (56)), 49-54. SID. https://sid.ir/paper/55009/en

Vancouver: Copy

SAVABI ESFAHANI O., KHOSRAVI KAZEM, EBRAHIMI MAZIYAR, HOSSEINI PEYMANEH, MAALEKIPOUR M.R.. EFFECTS OF CORE PREPARATION TIME ON THE RETENTION OF CEMENTED CAST POST. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2005;17(3 (56)):49-54. Available from: https://sid.ir/paper/55009/en

IEEE: Copy

O. SAVABI ESFAHANI, KAZEM KHOSRAVI, MAZIYAR EBRAHIMI, PEYMANEH HOSSEINI, and M.R. MAALEKIPOUR, “EFFECTS OF CORE PREPARATION TIME ON THE RETENTION OF CEMENTED CAST POST,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 17, no. 3 (56), pp. 49–54, 2005, [Online]. Available: https://sid.ir/paper/55009/en

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