نتایج جستجو برای: cone beam computed tomography cbct
تعداد نتایج: 398840 فیلتر نتایج به سال:
Cone-beam computed tomography (CBCT) is an advanced imaging modality that has high clinical applications in the field of dentistry. CBCT proved to be a successful investigative modality that has been used for dental and maxillofacial imaging. Radiation exposure dose from CBCT is 10 times less than from conventional CT scans during maxillofacial exposure. Furthermore, CBCT is highly accurate and...
Aim: To find out the relationship of gingival biotype with schneiderian membrane thickness using cone beam computed tomography (CBCT) in patients at tertiary care dental hospital presenting for routine periodontal care. Methods: In this cross-sectional study, a total 150 were observed department Periodontology, Fatima Memorial Hospital College Medicine and Dentistry Lahore. Patients clinically ...
Maxillary sinus aplasia and hypoplasia are rare conditions that can cause symptoms such as headaches and voice alteration. The majority of patients are asymptomatic, but these conditions must be noticed for importance of differential diagnosis such as infection and neoplasms. Conventional radiographs could not differentiate between inflammatory mucosal thickening, neoplasm, and hypoplasia of th...
A 30-year-old male patient, RVD-reactive on treatment, presented with a fast-growing, painful swelling involving the mandible of unknown duration. panoramic radiograph (PR) and cone-beam computed tomography (CBCT) imaging were performed. What are pertinent radiological features your diagnostic hypothesis?
AIM To test the ability of periapical radiography (PA) and cone-beam computed tomography (CBCT) to determine the presence/absence of periapical lesions and examine the reliability of volumetric measurements of periapical lesions on CBCT scans. METHODOLOGY After tooth extractions in human mandibles, bone defects were cut at the base of extraction sockets to mimic periapical bone lesions. The t...
TO CORRELATE DIFFERENT CT SYSTEM: MSCT (multislice computed tomography) with different acquisition parameters (100KV, 80KV), different reconstruction algorithm (ASIR) and CBCT (cone beam computed tomography) examination in terms of absorbed X-ray dose and diagnostic accuracy.80 KV protocols compared with 100 KV protocols resulted in reduced total radiation dose without relevant loss of diagnost...
Anisotropy measurements of 15 trabecular bone biopsies from the radius estimated by different fabric tensors on images acquired through cone beam computed tomography (CBCT) and micro computed tomography (micro-CT) are compared. The results show that the generalized mean intercept length (MIL) tensor performs better than the global gray-scale structure tensor (GST), especially when the von Mises...
UNLABELLED Cone beam computed tomography (CBCT) has probably been one of the most revolutionary innovations in the field of dentistry in the past decade and it provides a novel platform for orthodontic diagnosis and treatment planning. Current imaging techniques are essentially two-dimensional (2D) representations of threedimensional (3D) objects and suffer from several limitations. Hence, fulf...
AIM The purpose of this report is to present a case of endodontic management of a dilacerated maxillary central incisor fused to supernumerary tooth unusually appearing as a labial tubercle using cone beam computed tomography (CBCT) as a diagnostic aid. BACKGROUND Anterior teeth are commonly encountered with aberrant anatomical variations in the crown, number of roots, and root canals. Fusion...
Background: In prostate radiotherapy, changes in the volume of the bladder and rectum can influence dose delivery. In this study, cone-beam computerised tomography (CBCT) imaging was used to assess volumetric, and corresponding radiation dosimetric changes, for the bladder and rectum in patients with prostate cancer treated using VMAT. Materials and Methods: Treatment planning computed tomograp...
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