نتایج جستجو برای: gonial index
تعداد نتایج: 396313 فیلتر نتایج به سال:
BACKGROUND The aim of this study is to identify cephalometric pretreatment parameters for prediction of Class II improvement induced by rapid maxillary expansion. METHODS Lateral cephalograms of 30 patients (mean age 8.3 ± 1.6 years old) showing Class II molar relationship and undergone to rapid maxillary expansion on the upper deciduous molars were traced before treatment, and molar relation...
The present study provided an experimental model that allowed a cephalometric and histologic analysis of craniofacial growth in monkeys with induced translatory impairment of the mandibular condyle. Cauterization was performed anterior to the joint in nine experimental rhesus monkeys, while eight animals served as control subjects. The experimental procedure produced mandibular hypomobility in ...
AIM To evaluate the use of Second Class Resolver (SCR), a new fixed orthopaedic appliance, for the treatment of skeletal Class II malocclusion in growing subjects. MATERIALS AND METHODS Design Retrospective analysis. Forty subjects were treated with Second Class Resolver (SCR). The mean age was 8 years at the beginning of treatment and 10 years at the end of treatment. Digital cephalometric s...
:Background: Osteoporosis is a condition characterized by low bone mass and micro-architectural deterioration of tissue. Dual Energy X-ray Absorptiometry (DEXA) considered to be the "gold standard" in diagnosing osteoporosis. However, because cost limited availability, these are less suitable for large-scale screening. has several manifestations jaw which can identified dentists on panoramic ra...
سابقه و هدف: استئوپورز شایعترین بیماری متابولیک استخوانی است که باعث کاهش مواد معدنی، بخصوص در زنان یائسه می گردد. تکنیکهای کشف استئوپوروز گران و نیاز به مهارت دارد. هدف از این مطالعه بررسی شاخص های رادیومورفولوژیک و رادیومورفومتریک فک پایین در زنان یائسه می باشد.مواد و روشها: این مطالعه توصیفی تحلیلی مقطعی بر روی 40 زن یائسه مراجعه کننده به بخش رادیولوژی دهان، فک و صورت دانشکده دندانپزشکی بابل...
The effect of chronic mandibular protrusion on the collagenolytic and phosphatase activity of several mandibular bone sites and the condylar cartilage was evaluated. Ninety-three male Sprague-Dawley rats were equally divided into two experimental and one control group. One experimental group wore a protrusive appliance for 2 weeks, the other for 4 weeks. All animals were killed at 59 days of ag...
Background Impacted third molars may be responsible for various problems within the oral cavity. Impaction may be due to inadequate space or varied angulations. Assessment of variables contributing for impaction may influence the fate of impacted third molars. MethodologyRetrospective analysis of panoramic radiographs of adolescents in Indian population subpopulation was done to evaluate angula...
Aim: The aim of the study was to determine the extent of genetic influence and environmental contribution to craniofacial growth and development. Materials and methods: A total of 15 pairs of twins were selected and divided into monozygotic (8) and dizygotic (7) with the help of DNA fingerprinting. Lateral cephalograms were taken. Linear measurements—anterior cranial base, posterior cranial bas...
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