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Article
Evaluation of Naproxen and Ibuprofen efficacy on post maxillomandibular fixation trismus

Authors: Mohmmed K Hassouni --- Bara S Minwah
Journal: Al-Rafidain Dental Journal مجلة الرافدين لطب الأسنان ISSN: 18121217 Year: 2011 Volume: 11 Issue: 18 Pages: 376-380
Publisher: Mosul University جامعة الموصل

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Abstract

Aims of the study: The study aims to evaluate the effect of naproxen and ibuprofen on post maxillo-mandibular fixation (MMF) limited mouth opening. Materials and Methods: The study was per-formed at AL-Jumhoori Teaching Hospital in Mosul City on 30 patients with mandibular fracture and or maxilla who were treated with MMF. The medicaments were allocated to 30 patients using a double blind randomization study who were divided into three groups .Group 1(10 patients) received Ibu-profen. Group 2(10 patients) received Naproxen and Group 3 (10 patients) received placebo . Immedi-ately after MMF release, the maximum mouth opening was measured as the inter-incisal distance be-tween the right upper central incisor and the right lower central incisor. After one hour ,the inter incisal distance was measured again and recorded .The data were analyzed using paired T-test and Duncan multiple analysis. Results: Both Naproxen and Ibuprofen have a statistically significant effect on the improvement of post-MMF limited mouth opening compared to placebo . At the same time there was no significant difference between the effect of Naproxen and that of Ibuprofen on the improvement of post MMF-limited mouth opening .The study also showed that there is inverse correlation between the MMF period and the maximum mouth opening immediately after MMF release. Conclusions: There is no significant difference between the effect of naproxen and that of ibuprofen on the improvement of limited mouth opening after MMF release. The available and cheaper drugs can be prescribed.


Article
Designing and Constructing the Strain Sensor Using Microbend Multimode Fiber
تصميم وبناء متحسس الإجهاد باستخدام خلية الانحناءات الدقيقة للألياف البصرية متعددة الأنماط

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Abstract

The microbend sensor is designed to experience a light loss when force is applied to the sensor. The periodic microbends cause propagating light to couple into higher order modes, the existing higher order modes become unguided modes. Three models of deform cells are fabricated at (3, 5, 8) mm pitchand tested by using MMF and laser source at 850 nm. The maximum output power of (8, 5, 3)mm model is (3, 2.7, 2.55)nW respectively at applied force 5N and the minimum value is (1.9, 1.65, 1.5)nW respectively at 60N.The strain is calculated at different microbend cells ,and the best sensitivity of this sensor for cell 8mm is equal to 0.6nW/N.

تم تصميم متحسس الانحناءات المايكروية لاحتساب خسارة الضوء عند تسليط قوة على متحسس..حيث تسببت الانحناءات المتكررة انتشار الضوء الى الأنماط أعلى. الأنماط الحالية تصبح انماط غير مرشدة .صنعت ثلاث نماذج من الخلايا الانحناءات المايكروية بدرجات تسنن 3,5,8)mm) وأختبرت بأستخدام ليف متعددة النمط ومصدر ليزربطول موجي (850 nm).حيث اعظم قدرة للخلايا (3,5,8mm)هي nW((2.55, 2.7, 3على التوالي عند تسليط قوة مقدارها 5N واقل قدرة تكون 1.9, 1.65, 1.5)nW)على التوالي عند تسليط قوة مقدارها60N . الاستطالة من مختلف خلاياالانحناءات المايكروية تم حسابها, أن أفضل تحسسيه للخلية 8mm تساوي 0.6nW/N.

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