نتایج جستجو برای: post and core

تعداد نتایج: 16914042  

Background and Objectives: Despite the extensive use of core stabilizing exercises in a lot of fields of exercise, their effect on variant sports at the professional level is not clear. The purpose of this study was to investigate the impact of specific core stability training on the sports performance of teenage competitive swimmers. Materials and Methods: In this clinical trial study, the pa...

ژورنال: مجله دندانپزشکی 2009
بانوا, سپیده, جلالیان, عزت الله, راقانیانس, آنی, عبداله, امیر, ناصر مستوفی, شهباز,

Background and Aim: A key factor in restoring the endodontically treated teeth is ferrule preparation. When the ferrule is absent, occlusal loads may cause the post or root to fracture. The purpose of this in vitro study was to evaluate the effect of ferrule preparation on fatigue resistance of teeth restored with quartz-fiber posts. Materials and Methods: Twenty single-rooted lower premolars ...

2007
Sema ALTUNSOY Gülay UZUN Filiz KEYF

Objective: In this study, the effects of ceramic, chromium-nickel (Cr-Ni) and ceramic opaque sinterized on chromium-nickel (Cr-Ni+opaque) post-core materials and different colored (opaque white, white, yellow and brown) cements on final color of all-ceramics materials (In-Ceram, IPS Empress and IPS Empress II) were investigated. Material and Methods: Three groups of post-cores (ceramic, Cr-Ni a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - پژوهشکده تربیت بدنی و علوم ورزشی 1391

چکیده معضل چاقی به عنوان عارضه ای جدی برای زندگی بی تحرک و ماشینی، مورد توجه اغلب مراکز بهداشتی و درمانی دنیا قرار گرفته است. چاقی عامل زمینه ساز و در واقع عامل خطری برای بروز بیماری های قلبی - عروقی است که عموماً با کاهش طول عمر مورد انتظار و افزایش بیماری همراه است. هدف پژوهش حاضر تأثیر 12 هفته تمرینات ویبریشن کل بدن، تمرینات هوازی و تمرینات ترکیبی( هوازی و ویبریشن کل بدن) بر ترکیب بدنی زنان ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...

Journal: :dental research journal 0

extensive breakdown of primary teeth to the cervical level and their loss in very young children is not uncommon. owing to increasing concerns over self-appearance, due considerations to esthetic aspects in addition to restoring function are necessary aspects of rehabilitation of mutilated teeth to help children grow into a psychologically balanced personality. the present article describes reh...

Background. Low back pain is a significant issue in the field of health. Therefore, addressing new therapeutic approaches seems necessary. Objectives. The present study examined the effect of combining core stability with stretching exercises on pain intensity and motor function in people with chronic nonspecific low back pain with and without hyperlordosis. Methods. The research method was q...

ژورنال: یافته 2017
جمشیدی, علی اشرف, حسین براتی, امیر, دانشمندی, حسن, شاهرخی, حسین, لطافت کار, امیر,

Background : Multiple sclerosis (MS) is a chronic progressive disease on the central nervous system with signs and symptoms such as fatigue and reduced functional capacity. The purpose of this study was to assess the effect of core stability exercises on functional capacity and fatigue in patients with multiple sclerosis. Materials and Methods: The present quasi-experimental study used a pre...

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