دورية أكاديمية
أعرض في EDS

Biomechanical behavior of extra-narrow implants after fatigue and pull-out tests.

التفاصيل البيبلوغرافية
العنوان: Biomechanical behavior of extra-narrow implants after fatigue and pull-out tests.
المؤلفون: Reis TAD; Doctoral student, Department of Occlusion, Fixed Prosthodontics and Dental Materials, School of Dentistry, Federal University of Uberlândia (UFU), Uberlândia, Brazil., Zancopé K; Professor, Department of Occlusion, Fixed Prosthodontics and Dental Materials, School of Dentistry, Federal University of Uberlândia (UFU), Uberlândia, Brazil., Karam FK; Professor, Department of Implantology and Oral Rehabilitation, School of Dentistry, University of Rio Verde (UniRV), Rio Verde, Brazil., Neves FDD; Professor, Department of Occlusion, Fixed Prosthodontics and Dental Materials, School of Dentistry, Federal University of Uberlândia (UFU), Uberlândia, Brazil. Electronic address: flaviodominguesneves@gmail.com.
المصدر: The Journal of prosthetic dentistry [J Prosthet Dent] 2019 Jul; Vol. 122 (1), pp. 54.e1-54.e6. Date of Electronic Publication: 2019 Jun 12.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Mosby-Year Book Country of Publication: United States NLM ID: 0376364 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-6841 (Electronic) Linking ISSN: 00223913 NLM ISO Abbreviation: J Prosthet Dent Subsets: MEDLINE
أسماء مطبوعة: Publication: St. Louis Mo : Mosby-Year Book
Original Publication: St. Louis, Mosby.
مواضيع طبية MeSH: Dental Abutments* , Dental Implants*, Dental Implant-Abutment Design ; Dental Stress Analysis ; Humans ; Materials Testing ; Stress, Mechanical
مستخلص: Statement of Problem: Narrow implants have limited indications, and implant fracture may occur when these indications are not followed.
Purpose: The purpose of this in vitro study was to investigate the mechanical behavior of a 2.9-mm-diameter implant using a fatigue limit test and to investigate the Morse effect of 2 different Morse taper systems, 2.9-mm-diameter (FAC group) and 3.75-mm-diameter (CM group) implants, using a pull-out test. The null hypothesis was that the tensile strengths of the components for both systems would be similar.
Material and Methods: The fatigue properties of 13 specimens under 6 loads were determined. The test was performed at 15 Hz and for 5×10 6 cycles. In the pull-out test, the specimens were divided into 2 groups (n=8), the FAC group (2.9-mm-diameter) and the CM group (3.75-mm-diameter). Statistical analysis for the pull-out test was performed with the Student t test (α=.05).
Results: Thirteen specimens underwent the fatigue test. Only 5 did not fail when subjected to the frequency and number of cycles examined. Three of the specimens did not fail under a load of 130 N. The pull-out test showed a significant difference between the FAC and CM groups (P<.001).
Conclusions: According to the fatigue test, the extra-narrow implant (Facility; Neodent) was compatible with the low masticatory effort regions, as indicated by the manufacturer. The better performance of the FAC group in the pull-out test may be due to its design, which promotes the pure Morse effect in the implant-abutment interface, and the angulation of its internal conical portion.
(Copyright © 2019 Editorial Council for the Journal of Prosthetic Dentistry. Published by Elsevier Inc. All rights reserved.)
المشرفين على المادة: 0 (Dental Implants)
تواريخ الأحداث: Date Created: 20190617 Date Completed: 20191126 Latest Revision: 20220531
رمز التحديث: 20221213
DOI: 10.1016/j.prosdent.2019.04.005
PMID: 31202549
قاعدة البيانات: MEDLINE
الوصف
تدمد:1097-6841
DOI:10.1016/j.prosdent.2019.04.005