أثر معالجة سطح الوتد الليفي ببيروكسيد الهيدروجين في شدة ارتباطه مع الكومبوزيت (دراسة مخبرية)
Abstract
خلفية البحث وهدفه : يعتبر الارتباط بين الكومبوزيت والأوتاد الليفية ضعيفاً عند مقارنته بارتباط الكومبوزيت مع النسج السنية.يهدف البحث الى تقويم اثر بيروكسيد الهيدروجين كمحل للسطوح في زيادة قوة الارتباط بين الوتد الليفي و قلب الكومبوزيت . المواد والطرائق : تم تحضير 45 قطعة وتد ليفي كوارتز و 45 قطعة وتد ليفي زجاجي . تمّ تقسيم النماذج في كل مجموعة ل3 مجموعات فرعية وهي : معالجة بالسايلن فقط كمجموعة شاهدة ، و المعالجة ببيروكسيد الهيدروجين 20% لمدة 10 دقائق ،و 10% لمدة 20 دقيقة . تمّبناء قلوب الكومبوزيت وقياس قوى القص للأوتاد بوساطة جهاز الاختبارات الميكانيكي وتم تحليل النتائج إحصائياً . النتائج : تفوق بيروكسيد الهيدروجين على المعالجة بالسايلن فقط في مجموعة أوتاد الكوارتز فقط، ولم تظهر المعالجة ببيروكسيد الهيدروجين فروق دالة بين الأوتاد الزجاجية والكوارتز. الاستنتاجات :بيروكسيد الهيدروجين حسن من الارتباط بين الوتد الكوارتز والكومبوزيت ، بينما فشل في تحسين ارتباط الأوتاد الزجاجية مع الكومبوزيت. Background and Aim : Retention between composite and fiber post is still below the acceptable level when compared with the retention between composite and dental structure. This study aimed to evaluate the effect of H2O2 as a chemical solution to improve the mechanical connection between fiber post and composite core. Materials and Methods:45 glass fiber posts and 45 quartz fiber posts were prepared. The specimens were randomly distributed into 3 subgroups, including application of silane (S) , etching with H2O2 10% for 20 minutes(H1) , etching with H2O2 20% for 10 minutes (H2). composite core was placed. Shear bond strength values of posts and composite resin cores were measured using a mechanical test machine (Instron). data were analyzed Statistically . Results :There were significant differences between the shear bond strength for (H1,H2) And (S) in quartz groups only (P<0.05). There was no significant difference between glass and quartz groups (P>0.05). Conclusions:The surface treatment of quartz fiber posts with H2O2 significantly enhanced the shear bond strength of the composite core. Application of H2O2 to the Glass fiber post surfaces was not effective.Downloads
Published
How to Cite
Issue
Section
License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The authors retain the copyright and grant the right to publish in the magazine for the first time with the transfer of the commercial right to Tishreen University Journal for Research and Scientific Studies - Health Sciences Series
Under a CC BY- NC-SA 04 license that allows others to share the work with of the work's authorship and initial publication in this journal. Authors can use a copy of their articles in their scientific activity, and on their scientific websites, provided that the place of publication is indicted in Tishreen University Journal for Research and Scientific Studies - Health Sciences Series . The Readers have the right to send, print and subscribe to the initial version of the article, and the title of Tishreen University Journal for Research and Scientific Studies - Health Sciences Series Publisher
journal uses a CC BY-NC-SA license which mean
You are free to:
- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material
- The licensor cannot revoke these freedoms as long as you follow the license terms.
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- NonCommercial — You may not use the material for commercial purposes.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
- No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.