نتایج جستجو برای: mandible radiography
تعداد نتایج: 30922 فیلتر نتایج به سال:
Aim: To report a series of thirty cases of bisphosphonate-related osteonecrosis of the jaw (BRONJ). Material and Methods: For 30 patients with BRONJ, gender, age, underlying diagnosis, type of bisphosphonate (BP), administration route and duration, location and stage of osteonecrosis, symptoms and oral health status, radiological findings of the jaws, treatment and outcome, were recorded. Resul...
BACKGROUND Cherubism is an uncommon hereditary benign fibro-osseous disorder characterized by bilateral enlargement of the mandible and the maxilla that presents with varying degrees of involvement and a tendency toward spontaneous remission. On radiography cherubic lesions appear as cystic multilocular radiolucencies limited to the jaw bones. CASE REPORT A 5-year-old boy was referred to the ...
OBJECTIVES Conventional panoramic radiography, a widely used radiographic examination tool in implant treatment planning, allows evaluation of the available bone height before inserting posterior mandibular implants. Image distortion and vertical magnification due to projection geometry is well described for rotational panoramic radiographs. To assess the accuracy of vertical height measurement...
Two dogs of different age groups were presented with the history of oral growth, bleeding, excessive salivation, bad breath, inappetance and dysphagia. Physical examination revealed cauliflower like reddish growth in the gingiva enclosing the mandibular incisiors and canine tooth. Haematology and serum biochemical profiles were within the normal range. Plain radiography revealed extensive growt...
INTRODUCTION Osteosarcomas are highly malignant bone-forming neoplasms that account for about 20% of all sarcomas. In light of their aggressive behavior, early diagnosis is crucial for determining adequate treatment. Dental professionals may be the first to detect jaw osteosarcomas in their initial stages. The aim of this case report is to draw attention to the possibility of diagnosing this tu...
Mesenchymal chondrosarcoma is an infrequent malignancy of bone and soft tissue, characterized by its peculiar bimorphic histological pattern. The use of fine-needle aspiration (FNA) in the diagnosis of bone tumors is controversial. A 31-year-old woman presented with a mandibular lesion detected on routine examination for orthodontic treatment. Radiography revealed an ill-defined mixed radioluce...
Background: The aim of this retrospective study is to evaluate the effects bruxism on mandibular bone using radiomorphometric indices and Hounsfield unit (HU) value digital panoramic radiography (DPR). Materials Methods: Panoramic radiographs 120 patients, 60 with bruxer without (control), were analyzed. Mental index (MI), (PMI), antegonial (AI), gonial (GI), notch depth (AND) cortical (MCI) me...
AIM To compare the accuracy of determining the distance between alveolar crest and cementoenamel junction (CEJ) in digital radiography with two image processing software programs. MATERIALS AND METHODS In this in vitro study, 63 sites in a dried human mandible underwent digital periapical radiography. The distance from the alveolar crest to the CEJ was calculated using DentalEye and Scanora s...
We measured the gonial angle (GA) on panoramic radiography (PR) and analyzed the correlation between the GA on PR and lateral cephalometric radiography (LCR). In total, 49 PR films and LCR films from dentate young adults were evaluated. Orthodontists plotted four points (articulare, menton, posterior gonion, and lower gonion) on the PR and carefully traced them. Using a protractor, two radiolog...
The advent of highly active antiretroviral therapy (HAART) has caused a reduction in mortality, thus contributing to an increase in the number of women with HIVࢧAIDS who reach the climacteric period, experience decline in ovarian function, and develop complications of viral infection and HAART, which can accelerate bone loss. The aim of this study was to detect possible alterations in the jaws ...
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