التفاصيل البيبلوغرافية
| العنوان: |
Comparing Retention and Internal Adaptation of Different Implant-Supported, Metal-Free Frameworks. |
| المؤلفون: |
Ghodsi, Safoura, Zeighami, Somayeh, Azad, Mojdeh Meisami, Meisami Azad, Mojdeh |
| المصدر: |
International Journal of Prosthodontics; Sept/Oct2018, Vol. 31 Issue 5, p475-477, 3p, 2 Charts, 2 Graphs |
| مصطلحات موضوعية: |
DENTAL implants, ZIRCONIUM oxide, STATISTICAL correlation, ONE-way analysis of variance, TUKEY'S test, DATA analysis |
| مستخلص: |
Purpose: This study was conducted to compare the fit and retention of implant-supported, metal-free copings fabricated from zirconia, polyetheretherketone (PEEK), or composite, as well as to evaluate the possible correlation between internal adaptation and retention.Materials and Methods: A total of 36 copings were milled from zirconia, PEEK, or composite blanks (n = 12 in each group). Marginal and internal gap were evaluated by replica technique, and the pull-out test was used to evaluate retention. One-way analysis of variance, post hoc Tukey tests, and Pearson correlation coefficient test were used to analyze the data.Results: Zirconia had significantly better marginal/internal adaptation (P < .05) than the other materials. There was no statistically significant difference in mean retention force between the different groups (P > .05). No correlation was found between internal adaptation and retention.Conclusion: In the metal-free copings tested, zirconia showed the best adaptation. The retention of copings was not influenced by internal fit or material type. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
