دورية أكاديمية
Thermocompaction decreases long-term push-out bond strength of methacrylate-based sealers.
| العنوان: | Thermocompaction decreases long-term push-out bond strength of methacrylate-based sealers. |
|---|---|
| المؤلفون: | Hoppe CB; Department of Conservative Dentistry, Federal University of Rio Grande do Sul, UFRGS , Porto Alegre , Brazil., Scarparo RK, Böttcher DE, Leitune VC, Collares FM, Samuel SM, Grecca FS |
| المصدر: | Acta odontologica Scandinavica [Acta Odontol Scand] 2015 May; Vol. 73 (4), pp. 292-7. Date of Electronic Publication: 2015 Jan 26. |
| نوع المنشور: | Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Medical Journals Sweden AB Country of Publication: England NLM ID: 0370344 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1502-3850 (Electronic) Linking ISSN: 00016357 NLM ISO Abbreviation: Acta Odontol Scand Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: 2023- : Uppsala, Sweden : Medical Journals Sweden AB Original Publication: Stockholm, Norstedt |
| مواضيع طبية MeSH: | Dental Bonding*, Dental Pulp Cavity/*ultrastructure , Dentin/*ultrastructure , Methacrylates/*chemistry , Root Canal Filling Materials/*chemistry , Root Canal Obturation/*methods, Curing Lights, Dental ; Dental Stress Analysis/instrumentation ; Epoxy Resins/chemistry ; Gutta-Percha/chemistry ; Humans ; Humidity ; Materials Testing ; Random Allocation ; Root Canal Irrigants/therapeutic use ; Sodium Hypochlorite/therapeutic use ; Stress, Mechanical ; Temperature ; Time Factors |
| مستخلص: | Purpose: The purpose of this study was to evaluate the immediate and long-term bond strengths to root dentin of Epiphany/Resilon and AH Plus/gutta-percha fillings, after using either lateral condensation or Tagger's hybrid thermomechanical compaction techniques. Materials and Methods: Eighty human single-rooted teeth were used. The root canals were prepared by means of hand crown-down technique up to a #45 K-file and irrigation with 1% sodium hypochlorite was performed. Samples were randomly divided into eight (n=10) experimental groups divided according to filling material (gutta-percha/AH Plus and Resilon/Epiphany), obturation technique (Lateral compaction and Tagger's hybrid thermomechanical compaction) and storage time (24 h and 6 months). During storage, the samples were kept at 37°C and 100% humidity. After the two experimental periods, each root was sectioned perpendicular to its long axis into three serial slices and push-out tests were carried out using a universal testing machine. Statistical significant differences were set by ANOVA and Tuckey post-hoc (p<0.05). Results: Using thermocompaction technique, the samples filled with Epiphany/Resilon decreased significantly the bond strength after a 6 months storage-period (p<0.05) and the ones filled with AH Plus/gutta-percha presented a tendency to lower values of the push-out test, although not statistically significant. For both materials, dentin bond strength of the specimens filled by means of lateral condensation remained stable throughout the experimental periods. Conclusion: Under the limitations of the current study, it can be concluded that the thermocompaction technique and the storage time can influence push-out bond strength when used with methacrylate-based sealers. |
| فهرسة مساهمة: | Keywords: bond strength; endodontics; push-out test; root canal filling materials |
| المشرفين على المادة: | 0 (Epoxy Resins) 0 (Methacrylates) 0 (Root Canal Filling Materials) 0 (Root Canal Irrigants) 0 (epiphany sealer) 0 (epoxy resin-based root canal sealer) 0 (resilon sealer) 9000-32-2 (Gutta-Percha) DY38VHM5OD (Sodium Hypochlorite) |
| تواريخ الأحداث: | Date Created: 20150128 Date Completed: 20151229 Latest Revision: 20220409 |
| رمز التحديث: | 20240628 |
| DOI: | 10.3109/00016357.2014.942875 |
| PMID: | 25623918 |
| قاعدة البيانات: | MEDLINE |
PDF full text from Publisher | تدمد: | 1502-3850 |
|---|---|
| DOI: | 10.3109/00016357.2014.942875 |