نتایج جستجو برای: mandible radiography
تعداد نتایج: 30922 فیلتر نتایج به سال:
INTRODUCTION Transversal slicing system (TSS) of Planmeca PM 2002 CC is a tomographic technique which enables us to take cross-sectional views of jaws. Tomographic imaging modalities are commonly applied to acquire cross-sectional images of the jaws for preimplant assessment of bone. Among the available tomographic imaging modalities, panoramic radiography is the most accessible imaging system....
Gingival and periodontal diseases in their various forms have affected human since the dawn of history. The earliest historical records dealing with medical topics revealed an awareness of periodontal diseases and need for treatment.1 The diagnosis of periodontal diseases which involve the soft and hard tissue destruction should be made systematically and should include both clinical and radiog...
PURPOSE The purpose of this study was to evaluate the accuracy of panoramic imaging in measuring the right and left gonial angles by comparing the measured angles with the angles determined using a lateral cephalogram of adult patients with class I malocclusion. MATERIALS AND METHODS The gonial angles of 50 class I malocclusion patients (25 males and 25 females; mean age: 23 years) were measu...
Aim: Cemento-osseous dysplasia (COD) is usually asymptomatic and slowly progressive benign fibro-osseous lesion characterized by the replacement of normal bone with fibrous tissue. The aim this presentation to evaluate clinical radiographical findings six COD cases that were detected incidentally during radiographic examination.
 Case Report: Six female patients who four (%66) them differe...
Purpose: To investigate peri-implant bone resorption around 108 ITI dental implants 1 year after prosthetic loading using extraoral panoramic, conventional intraoral periapical, and digital radiologic techniques. Materials and Methods: A total of 108 implants were placed (59 in the maxilla and 49 in the mandible) in 42 patients (16 men and 26 women) with a mean age of 44.2 years (range 14 to 68...
Indications for the most frequently used imaging modalities in implant dentistry are proposed based on clinical need and biologic risk for the patient. To calculate the biologic risk, the authors carried out dose measurements. They demonstrated that the risk from a periapical radiograph is 20% of that from a panoramic radiograph. A panoramic radiograph and a series of 4 conventional tomographs ...
OBJECTIVE This preliminary study aimed to propose a new analysis of digital panoramic radiographs for a differential diagnosis between functional and morphological mandibular asymmetry in children with and without unilateral posterior crossbite. METHODS Analysis is based on linear and angular measurements taken from nine anatomic points, demarcated in sequence directly on digital images. A sp...
AIMS This study used dried human mandibles and aimed to assess the effect of different horizontal condylar angle and the effect of different beam angles from three different units in the depiction of medial, central and lateral parts of the condyle on panoramic and lateral temporomandibular joint (TMJ) panoramic images. METHODS Standard panoramic and lateral TMJ panoramic images of four dried...
Objective: the present report describes clinical, radiographic, and histopathological features of an ameloblastic fibro-odontoma (AFO) lesion. Case report: we a clinical case 14-year-old boy with asymptomatic edema. Panoramic radiography detected unilocular lesion defined margins located in posterior region mandible. The internal structure presented several degrees radiopacity involvement third...
BACKGROUND Preoperative radiographic examination of impacted mandibular third molars (IMTM) is essential to prevent inferior alveolar nerve injury during extraction. The purpose of this study was to evaluate the correlation between cone-beam computed tomography (CBCT) and digital panoramic radiography (DPR) findings in preoperative examination of IMTM. METHODS This retrospective study include...
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