Evaluation of tooth position, occlusion, and interproximal contacts after transplantation of immature third molars
نویسندگان
چکیده
منابع مشابه
Changes in the Position of Mandibular Third Molars Following Extraction and Non-Extraction Orthodontic Treatments
Introduction: Impaction of third molars can be associated with a number of sequelae, each requiring a different type of treatment. The purpose of this study was to assess the changes in the position of lower third molars following extraction and non-extraction orthodontic treatments. Methods: Pre- and post-treatment panoramic radiographs of 26 class I malocclusion patients (4 male and 22 female...
متن کاملA study on the Antagonistic contacts of molars at centric occlusion after orthodontic treatment.
The ultimate goal of orthodontic treatment lies in improving both the functional and morphological harmony of occlusal relationship on the part of individuals and maintaining it. Thanks to new development of orthodontic mechanics and progress in techniques in recent years, bodily movement of the teeth has become relatively easy and now we are in a position to obtain the planned occlusal relatio...
متن کاملEffect of extraction of permanent first molars on the development and eruption of third molars
BACKGROUND AND AIM: It is required in many young patients that permanent first molars (PFMs) be extracted due to poor prognosis. This study investigates whether the extraction of such teeth is effective on the development of third molars and even their crown and root morphologies.METHODS: A total of 7000 panoramic radiographs were evaluated and 128 radiographs showing a history of extraction of...
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چکیده ندارد.
15 صفحه اولhazard evaluation of gas condensate stabilization and dehydration unit of parsian gas refinery using hazop procedures
شناسایی مخاطرات در واحد 400 پالایشگاه گاز پارسیان. در این پروزه با بکارگیری از تکنیک hazop به شناسا یی مخاطرات ، انحرافات ممکن و در صورت لزوم ارایه راهکارهای مناسب جهت افزایش ایمنی فرا یند پرداخته میگردد. شرایط عملیاتی مخاطره آمیز نظیر فشار و دمای بالا و وجود ترکیبات مختلف سمی و قابل انفجار در واحدهای پالایش گاز، ضرورت توجه به موارد ایمنی در این چنین واحدهایی را مشخص می سازد. مطالعه hazop یک ر...
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ژورنال
عنوان ژورنال: The European Journal of Orthodontics
سال: 2009
ISSN: 0141-5387,1460-2210
DOI: 10.1093/ejo/cjn084