نتایج جستجو برای: کامپوزیت no – mix

تعداد نتایج: 3323343  

ژورنال: :مجله دندانپزشکی جامعه اسلامی دندانپزشکان 0
دکتر مسعود سیفی masoud seifi دکتر فرشید دهداری farshid dehdari

مقایسه استحکام برشی باند یک نوع سیانوآکریلات جدید با یک نوع کامپوزیت رایج برای باندینگ براکت های ارتودنسی دکتر مسعود سیفی * - دکتر فرشید دهداری **   * - دانشیار گروه آموزشی ارتودنسی دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی.   ** - ارتود نتیست.   چکیده زمینه و هدف : جدا شدن براکت از روی دندانها یکی از معضلات شایع در ارتودنسی می باشد. هدف از انجام این مطالعه، بررسی و مقایسه استحکام برشی ب...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. basafa f. farzanegan

statement of problem: bracket de-bonding during initial orthodontic archwire placement immediately after bracket set up or following re-bonding a single bracket can be a clinical concern. purpose: the aim of this in vitro study was to assess the effect of time on the shear bond strength of a no-mix orthodontic composite adhesive. materials and methods: seventy freshly extracted human upper firs...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2002
Ulf Adolfsson Erik Larsson Björn Ogaard

Bond failure of a no-mix adhesive was evaluated in 320 patients followed longitudinally during orthodontic treatment. Factors evaluated were the patient's gender, the complexity of the appliance, the bond site location, initial crowding, and caries development. The overall bond failure rate was 7.2%. Bond failures were significantly higher in the mandible, with the second premolars showing the ...

Journal: :Chemistry & Biology 2006

ژورنال: :مجله دندانپزشکی 0
فرزین هروی f. heravi رویا ناصح r. naseh

زمینه و هدف: recycling براکت ها به دلیل کاهش قابل توجه هزینه دستگاه های ثابت ارتودنسی، از دیرباز مورد توجه متخصصان ارتودونسی بوده است. با این وجود اگر باند این براکت ها در طی درمان مستعد شکست شود، این مزیت اولیه از بین می رود؛ بنابراین داشتن اطلاعات کافی در این زمینه ضروری به نظر می رسد. مطالعه حاضر با هدف ارزیابی تأثیر روش recycling شیمیایی بر روی استحکام برشی پیوند براکت های فلزی ارتودنسی و ت...

Journal: :ToDiGRA 2021

This paper analyzes the Taiko no Tatsujin (Bandai Namco 2001/ 2018) franchise and musical literacy it conveys. While previous accounts of game have focused on competence necessary to interpret references across media (van Elferen 2016), this expands concept, includes discussion live performances oral traditions.The compositions included in pertain Japanese phenomenon convergence known as mix (S...

2002
Roger Dingledine Paul F. Syverson

We describe a MIX cascade protocol and a reputation system that together increase the reliability of a network of MIX cascades. In our protocol, MIX nodes periodically generate a communally random seed that, along with their reputations, determines cascade configuration. Nodes send test messages to monitor their cascades. Senders can also demonstrate message decryptions to convince honest casca...

Journal: :IACR Cryptology ePrint Archive 2011
Seyyed Amir Mortazavi

The Jakobsson hybrid Mix-net proposed by Jakobsson and Juels, is a very practical and efficient scheme for long input messages. But this hybrid Mix-net does not have public verifiable property. In this paper a new attack to the Jakobsson hybrid Mix-net is introduced. This attack breaks the robustness of the hybrid Mix-net scheme, given that the corrupted first mix server and one of the senders ...

Journal: :iranian journal of otorhinolaryngology 0
yaghoub mahboubi oskouei allergy research center, mashhad university of medical sciences, mashhad, iran. reza farid hosseini allergy research center, mashhad university of medical sciences, mashhad, iran. hamid ahanchian inflamation and inflammatory disease research center, mashhad university of medical sciences, mashhad, iran. lida jarahi addiction research center, mashhad university of medical sciences, mashhad, iran. nazila ariaee allergy research center, mashhad university of medical sciences, mashhad, iran. farahzad jabbari azad allergy research center, mashhad university of medical sciences, mashhad, iran.

introduction:the prevalence of atopic diseases has increased in recent decades dramatically. the most common aeroallergens in northeastern iran have not been fully defined. define the most common aeroallergens in allergic patients based on the skin prick test (spt) was aimed in this investigation.materials and methods:this cross-sectional study enrolled 1,006 allergic patients (aged 1–86 years)...

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