دورية أكاديمية
Mechanical strength of stock and custom abutments as original and aftermarket components after thermomechanical aging.
العنوان: | Mechanical strength of stock and custom abutments as original and aftermarket components after thermomechanical aging. |
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المؤلفون: | Pol CWP; Department of Integrated Dentistry, Dental School, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands., Cune MS; Department of Restorative Dentistry, Dental School, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.; Department of Oral and Maxillofacial Surgery, Prosthodontics and Special Dental Care, St. Antonius hospital Nieuwegein, Nieuwegein, The Netherlands., Raghoebar GM; Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands., Naves LZ; Department of Restorative Dentistry, Dental School, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands., Meijer HJA; Department of Restorative Dentistry, Dental School, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.; Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. |
المصدر: | Clinical and experimental dental research [Clin Exp Dent Res] 2024 Aug; Vol. 10 (4), pp. e892. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Wiley Country of Publication: United States NLM ID: 101692332 Publication Model: Print Cited Medium: Internet ISSN: 2057-4347 (Electronic) Linking ISSN: 20574347 NLM ISO Abbreviation: Clin Exp Dent Res Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Hoboken : Wiley, [2015]- |
مواضيع طبية MeSH: | Dental Abutments* , Dental Implant-Abutment Design* , Dental Stress Analysis* , Dental Restoration Failure* , Materials Testing*, Humans ; Stress, Mechanical ; Dental Implants |
مستخلص: | Objectives: The study aimed to assess the impact on the mechanical strength and failure patterns of implant-abutment complexes of choosing different abutment types, designs and manufacturers, aiding in selecting the optimal restorative solution. Stock and custom abutments from original and aftermarket suppliers were subjected to thermomechanical aging. Material and Methods: Stock and custom abutments from the implant manufacturer (original) and a aftermarket supplier (nonoriginal) were connected to identical implants with internal connection. Custom abutments were designed in a typical molar and premolar design, manufactured using the workflow from the respective suppliers. A total of 90 implants (4 mm diameter, 3.4 mm platform, 13 mm length) equally divided across 6 groups (three designs, two manufacturers) underwent thermo-mechanical aging according to three different regimes, simulating five (n = 30) or 10 years (n = 30) of clinical function, or unaged control (n = 30). Subsequently, all samples were tested to failure. Results: During aging, no failures occurred. The mean strength at failure was 1009N ± 171, showing significant differences between original and nonoriginal abutments overall (-230N ± 27.1, p < .001), and within each abutment type (p = .000), favoring original abutments. Aging did not significantly affect the failure load, while the type of abutment and manufacturer did, favoring original and custom-designed abutments. The most common failure was implant bending or deformation, significantly differing between original and nonoriginal abutments and screws. All failure tests resulted in clinically unsalvageable implants and abutments. Conclusions: Within the limitations of this study, original abutments exhibited a higher mechanical strength compared to the nonoriginal alternative, regardless of the amount of simulated clinical use. Similarly, custom abutments showed higher mechanical strength compared to stock abutments. However, mechanical strength in all abutments tested was higher than average chewing forces reported in literature, thus components tested in this study can be expected to perform equally well in clinical situations without excessive force. (© 2024 The Authors. Clinical and Experimental Dental Research published by John Wiley & Sons Ltd.) |
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معلومات مُعتمدة: | ZimVie dental; External Research Agreement with an effective date; 91111.006 Netherlands ZONMW_ ZonMw |
فهرسة مساهمة: | Keywords: dental implants; dental implant‐abutment designs; materials testing; nonoriginal components |
المشرفين على المادة: | 0 (Dental Implants) |
تواريخ الأحداث: | Date Created: 20240725 Date Completed: 20240725 Latest Revision: 20240728 |
رمز التحديث: | 20240728 |
مُعرف محوري في PubMed: | PMC11271801 |
DOI: | 10.1002/cre2.892 |
PMID: | 39052871 |
قاعدة البيانات: | MEDLINE |
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