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تعداد نتایج: 77533 فیلتر نتایج به سال:
Biocompatibility of eight different orthodontic materials: in-vivo rat modl study Dr. Sadeghian, S.* - Dr. Razavi, S.M. ** - Dr. Masaeli, A.*** *Assistant Professor of Orthodontics Dept., Faculty of Dentistry, Isfahan Azad University (Khorasgan). **Assistant Professor of Pathology Dept., Faculty of Dentistry, Isfahan University of Medical Sciences. ***Dentist. Abstract Background & Aim: Differe...
The aim of this animal study was to develop a model of orthodontic tooth movement using a microimplant as a TSAD in rodents. A finite element model of the TSAD in alveolar bone was built using μCT images of rat maxilla to determine the von Mises stresses and displacement in the alveolar bone surrounding the TSAD. For in vivo validation of the FE model, Sprague-Dawley rats (n = 25) were used and...
BACKGROUND Socket preservation after tooth extraction is one of the indications of bone grafting to enhance preorthodontic condition. The aim of this study is to determine the effects of socket preservation on the immediate tooth movement, alveolar ridge height preservation and orthodontic root resorption. MATERIALS AND METHODS In a split-mouth technique, twelve sites in three dogs were inves...
BACKGROUND Pain is among the most cited negative effects of orthodontic treatment. Non-steroidal anti-inflammatory drugs seem to be an effective option for minimizing this but can have adverse effects on tooth movement owing to their ability to block prostaglandin synthesis. Acetaminophen has been suggested as the analgesic of choice during orthodontic treatment as it showed no effect on orthod...
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