نتایج جستجو برای: فک maxilla
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بیومکاترونیک، طراحی یک سیستم مکاترونیکی با الهام از جهان بیولوژیکی است. قید سوراخکاری استفاده شده در ایمپلنت دندان از جمله تجهیزاتی است که می¬توان آن را زمره¬ی یک سیستم بیومکاترونیکیبه حساب آورد. به¬دلیل اهمیت پیدا نمودن مکان دقیق ایمپلنت بر روی فک بیمار، طراحی و مدلسازی آن انجام شد. روشها: از فک پایینی بیمار، سی¬تی اسکن گرفته¬شد. جهت سه بعدی¬سازی و تبدیل فرمت فایل¬های سی¬تی اسکن به فرمت-ه...
Purpose: The aim of the present prospective study was to evaluate the concept of early loading of rough-surfaced implants in the completely edentulous maxilla and in the edentulous posterior mandible and maxilla. Materials and Methods: Fifty-four consecutive patients were treated. Twenty patients were completely edentulous in the maxilla (group A), 19 patients were edentulous in the posterior l...
Supernumerary teeth are common in general population and occur frequently in patients with familial trait. However, it is rare to find supernumeraries in individuals with no associated disease or syndrome. Supernumerary teeth are found in any region of maxilla and mandible, with a predisposition for anterior maxilla. A case of endodontically involved supernumerary lateral incisor is described.
Ameloblastic fibroma is a rare mixed odontogenic tumour. Its usual site of occurrence is the posterior mandible, with very few cases being reported from the maxilla. The true nature of the lesion hamartomatous or neoplastic – is still a point of debate. Here, we report a case of ameloblastic fibroma in the anterior maxilla.
Osteosarcoma is the most common primary malignancy of bone although only 6% to 10% of osteosarcomas occur in the craniofacial region.1 Within the craniofacial region the mandible is usually reported as the most common site of the involvement, followed by the maxilla and skull.1,2 The average age at the onset of osteosarcoma of the maxillofacial region is about one or two decades later than that...
INTRODUCTION Various anchorage techniques have been designed for canine retraction. Intraoral techniques have not always been successful, and now implants are widely used for this purpose. A new type of titanium microimplant, with a small diameter and a button-like head, was shown to be an effective source of anchorage for distal movement of the canines. The purposes of this study were to measu...
In adults, superior repositioning of posterior maxilla with or without mandibular surgery has become the treatment method of choice to close anterior open bite. Study aim was to examine the long-term stability of anterior open bite closure by superior repositioning of maxilla or by combining maxillary impaction with mandibular surgery. The sample comprised 24 patients who underwent anterior ope...
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