نتایج جستجو برای: skeletal anchorage

تعداد نتایج: 102978  

2015
Ricardo Fidos Horliana Anna Carolina Ratto Tempestini Horliana Alexandre do Vale Wuo Flávio Eduardo Guillin Perez Jorge Abrão

In recent years, the skeletal anchorage through miniscrews has expanded the treatment options in orthodontics (Yamaguchi et al., 2012). We hereby present a modified method for tooth extrusion for cases where crown-lengthening surgery is contraindicated for aesthetic reasons. This modified method uses three orthodontic appliances: a mini-implant, an orthodontic wire, and a bracket. The aim of th...

Introduction: In orthodontic treatment, adequate anchorage is necessary to move the intended teeth. In some cases, just anterior teeth are malaligned, while posterior occlusion is acceptable. Therefore, the posterior teeth could be integrated by fiber-reinforced composite (FRC) to provide a rigid anchorage. This method proved advantageous since brackets are bonded just to anter...

Journal: :journal of dentistry, tehran university of medical sciences 0
t. ansari assistant professor, department of orthodontics, yenepoya dental college, yenepoya university, manga r. mascarenhas senior professor, department of orthodontics, yenepoya dental college, yenepoya university, managlor a. husain senior professor, department of orthodontics, yenepoya dental college, yenepoya university, managlor

objective: implants are being used in orthodontics as a reliable mode of anchorage. among other factors, the cortical bone thickness plays a major role in determining the stability of these implants. the objective of this study was to study the relationship of various arch forms and the cortical bone thickness and to determine if the cortical bone thickness varies between various arch forms. th...

صداقت‌منفرد, مجید, نجفی ابرندآبادی, سیامک, گلشاه, مسعود,

سابقه و هدف : یکی از مهم‌ترین معایب آکریل متیل متاکریلات، انقباض حاصل از پلیمریزاسیون است که به اعوجاج ( distortion ) پروتز کامل پخته شده می‌انجامد. یکی از روش‌های معرفی شده برای جلوگـیری از این distortion ، روش استفاده از retentive hole و anchorage به داخل مسترکست است. هدف از انجام مطالعه حاضر، بررسی اثر تعداد و محل این سوراخ ها بر میزان کاهش تغییر شکل دنچر ‌بود. مواد و روشها : مطالعه تجربی حا...

Journal: Vaccine Research 2015
A Mohammadpour, B Farahmand, F Fotouhi , G Irani Mokhtari , P Mehrbod ,

Introduction: Inactivated influenza vaccines are traditionally produced in chicken embryonated eggs but its limitations in producing the required doses in pandemic outbreaks quickly enough has made searching for alternative modes of production necessary. The use of cell culture-based vaccine production is one way of overcoming the limitations of the egg-based method and securing a more rapid re...

Journal: :Applied sciences 2022

Background: We conducted a narrative review of studies analyzing the occlusal and mandibular plane angles after maxillary molar distalization using temporary skeletal anchorage devices (TADs). An original preliminary investigation was on angle changes according to design TAD-supported distalization. Methods: included 51 participants stratified into three groups (buccal TAD, lingual arch pendulu...

2013
Hyub-Soo Lee Hang-Moon Choi Dong-Soon Choi Insan Jang Bong-Kuen Cha

PURPOSE This study was performed to investigate the bone thickness of the infrazygomatic crest area by computed tomography (CT) for placement of a miniplate as skeletal anchorage for maxillary protraction in skeletal Class III children. MATERIALS AND METHODS CT images of skeletal Class III children (7 boys, 9 girls, mean age: 11.4 years) were taken parallel to the Frankfurt horizontal plane. ...

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