Edorium Journal of

Dentistry

 
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Original Article
 
Vertical removal force and torsional resistance of a screwless Morse taper implant connection
Arda Ozdiler1, Enishan Ozcan2, Omer Kutay3, Gulbahar ISIK-OZKOL4
1PhD Student, Department of Prosthodontics, Istanbul University Fac. Dentistry, Istanbul,Turkey.
2PhD Student, Department of Mechanical Eng., Istanbul Technical University, Istanbul, Turkey.
3PhD, Prof Dr., Department of Prosthodontics, Istanbul University Fac. Dentistry, Istanbul, Turkey.
4PhD, Prof Dr., Department of Prosthodontics, Istanbul University Fac. Dentistry, Istanbul,Turkey.

Article ID: 100007D01AO2015
doi:10.5348/D01-2015-7-OA-5

Address correspondence to:
Arda Ozdiler
Istanbul Universitesi Dis HekFak 2
Kat Protetik Ted. ABD Capa / Istanbul
Turkey 34097
Phone: +905323126989
Fax: +902125253585

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How to cite this article
Ozdiler A, Ozcan E, Kutay O, ISIK-OZKOL G. Vertical removal force and torsional resistance of a screwless Morse taper implant connection. Edorium J Dent 2015;2:29–34.


Abstract
Aims: The aim of this study was to measure the removal force and vertical tensile strength of a screwless Morse taper connection and compare it with screw retained connections.
Methods: n order to measure the vertical tensile and torsional strength of the connection, a total of 12 Octo Implants (Tasarimmed, Istanbul, Turkey) 4 mm wide and 10 mm in length were used with a screwless Morse taper connection. Six repeated shots were applied to abutments for each standardized force: 300 grF, 500 grF, 800 grF, 1000 grF, 1400 grF, and 2500 grF. Measurements of vertical tensile strength and torsional strength were obtained four times for each group with a dynamometer and torque meter.
Results: The results were analyzed using a 1-way ANOVA test. The intercept was found to be significantly different among the various strike forces for both vertical tensile strength and torsional strength (p<.0001). A greater increase in the torsional and vertical strength was seen for 1400 grF strikes and was consequently entitled as a break point.
Conclusion: Screwless Morse taper connection is predicted to be an adequate resistant to vertical removal and torsional forces.

Keywords: Connection, Implant, Morse taper, Removal force, Torsional strength

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Author Contributions:
Arda Ozdiler – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Enishan Ozcan – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Omer Kutay – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Gulbahar ISIK-OZKOL – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2015 Arda Ozdiler et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.



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