دورية أكاديمية

Anaerobic adhesives effect on counter-torque of abutment screws on implants with external hexagon and conical connections: An in vitro study.

التفاصيل البيبلوغرافية
العنوان: Anaerobic adhesives effect on counter-torque of abutment screws on implants with external hexagon and conical connections: An in vitro study.
المؤلفون: Lyra FTM; School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Mares CA; School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Sá AF; School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Dias DR; Department of Restorative Dentistry, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Lages FS; Department of Restorative Dentistry, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
المصدر: Clinical implant dentistry and related research [Clin Implant Dent Relat Res] 2023 Jun; Vol. 25 (3), pp. 575-582. Date of Electronic Publication: 2023 May 03.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: John Wiley & Sons, Inc Country of Publication: United States NLM ID: 100888977 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1708-8208 (Electronic) Linking ISSN: 15230899 NLM ISO Abbreviation: Clin Implant Dent Relat Res Subsets: MEDLINE
أسماء مطبوعة: Publication: [2013-] : Malden, MA : John Wiley & Sons, Inc
Original Publication: Hamilton, Ont. : B.C. Decker, c1999-
مواضيع طبية MeSH: Dental Implants*, Dental Implant-Abutment Design ; Torque ; Anaerobiosis ; Dental Cements ; Dental Stress Analysis/methods ; Bone Screws ; Dental Abutments
مستخلص: Background: Abutment screw loosening is a common complication of implant supported prostheses, especially for single crowns. In engineering, anaerobic adhesives (AA) are used to provide chemical locking between screw surfaces, but their application in implantology remains unclear.
Purpose: The purpose of this article is to evaluate, in vitro, the effect of AA on counter-torque of abutment screws for cemented prosthesis on dental implants with external hexagon connection (EHC) and conical connection (CC).
Materials and Methods: Sample was composed by 60 specimens, 30 dental implants with EHC and 30 with CC. Abutments (transmucosal 3 mm straight universal abutment) were installed without AA (control group) or with application of AA with two different adhesive strength: medium strength (LOCTITE® 242) and high strength (LOCTITE® 277). The specimens were subjected to mechanical cycling at 37°C, with a load setting of 133 N, a 1.3 Hz frequency, and 1 200 000 cycles. The abutments were removed, and the counter-torque values were registered. Screws and implants were inspected using a stereomicroscope to verify the presence of residual adhesive and damage the internal structures. The data were analyzed using descriptive statistics and comparison tests (p < 0.05).
Results: Comparing to the torque of installation, the medium strength AA kept the counter-torque values for CC implants and the high strength AA kept the counter-torque for EHC implants and increased for CC implants. In the intergroup comparisons, control group presented significantly lower counter-torque values than other groups, both for EHC and CC implants. High strength AA presented similar results to medium strength AA in the EHC implants, but in the CC implants presented higher counter-torque values. Damage in threads was more frequent in the groups that received high strength AA.
Conclusion: The use of AA increased the counter-torque of abutment screws, both in implants with EHC and CC.
(© 2023 Wiley Periodicals LLC.)
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معلومات مُعتمدة: Fundação de Amparo à Pesquisa do Estado de Minas Gerais; Pró-Reitoria de Pesquisa, Universidade Federal de Minas Gerais
فهرسة مساهمة: Keywords: adhesives; dental implants; dental prostheses retention; dental prosthesis; implant-supported; torque
المشرفين على المادة: 0 (Dental Implants)
53858-53-0 (Loctite)
0 (Dental Cements)
تواريخ الأحداث: Date Created: 20230503 Date Completed: 20230606 Latest Revision: 20230606
رمز التحديث: 20240628
DOI: 10.1111/cid.13210
PMID: 37137326
قاعدة البيانات: MEDLINE
الوصف
تدمد:1708-8208
DOI:10.1111/cid.13210