Assessment of the Effect of Abutment Size on the Tensile Strength of Crowns Cemented on One-Piece Abutments

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TABAKHIAN GHOLAMREZA; MOLAEI Maryam; Maleki Gorgi Mohsen

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Journal: Journal of Isfahan Dental School Year:2020 | Volume:16 | Issue:2 Page(s): 203-209

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Information Journal Paper

Title

Assessment of the Effect of Abutment Size on the Tensile Strength of Crowns Cemented on One-Piece Abutments

Author(s)

TABAKHIAN GHOLAMREZA | MOLAEI Maryam | Maleki Gorgi Mohsen | Issue Writer Certificate

Keywords

AbutmentQ2

ImplantQ3

Provisional cementQ2

RestorationQ2

Tensile strengthQ3

Abstract

Introduction: Abutment dimension is one of the most important factors affecting the retention of Implant-supported Restorations. Thick Abutments have the advantages of providing a thicker outer body wall and more surface area for retention. This study aimed to determine the effect of Abutment dimension on the retention of Implant-supported Restorations. Materials & Methods: Forty Implant analogs were mounted in auto-polymerizing acrylic resin blocks with the use of a surveyor in this in vitro study. Forty titanium Abutments (7 and 5. 5 mm in height, and 3. 5 and 4. 3 mm in width) were placed on each Implant analog using 30-N. cm torque. The crowns were cemented with temporary cement. All the specimens were stored under 100% relative humidity at 37º C for 48 h prior to testing. Each crown underwent a tensile force with increasing force in a universal testing machine at a crosshead speed of 0. 5 cm/minute, and the Tensile strength was recorded (N). The data were analyzed with two-way ANOVA using SPSS 23. Results: An increase in Abutment height significantly increased the Tensile strength (p value = 0. 03). An increase in the Abutment width decreased the Tensile strength, but it was not significant (p value = 0. 41). There was a direct and significant correlation between the Abutment height-to-width ratio and Restoration retention (r = 0. 343, p value = 0. 01). There was a direct but poor correlation between the Abutments total surface (Abutment height*Abutment diameter) and retention (r = 0. 185, p value = 0. 127). Conclusion: Increased Abutment height and height-to-width ratio had a more positive effect on retention than increased total surface area provided by increased width.

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APA: Copy

TABAKHIAN, GHOLAMREZA, MOLAEI, Maryam, & Maleki Gorgi, Mohsen. (2020). Assessment of the Effect of Abutment Size on the Tensile Strength of Crowns Cemented on One-Piece Abutments. JOURNAL OF ISFAHAN DENTAL SCHOOL, 16(2 ), 203-209. SID. https://sid.ir/paper/383457/en

Vancouver: Copy

TABAKHIAN GHOLAMREZA, MOLAEI Maryam, Maleki Gorgi Mohsen. Assessment of the Effect of Abutment Size on the Tensile Strength of Crowns Cemented on One-Piece Abutments. JOURNAL OF ISFAHAN DENTAL SCHOOL[Internet]. 2020;16(2 ):203-209. Available from: https://sid.ir/paper/383457/en

IEEE: Copy

GHOLAMREZA TABAKHIAN, Maryam MOLAEI, and Mohsen Maleki Gorgi, “Assessment of the Effect of Abutment Size on the Tensile Strength of Crowns Cemented on One-Piece Abutments,” JOURNAL OF ISFAHAN DENTAL SCHOOL, vol. 16, no. 2 , pp. 203–209, 2020, [Online]. Available: https://sid.ir/paper/383457/en

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