نتایج جستجو برای: dental ct
تعداد نتایج: 292390 فیلتر نتایج به سال:
We report a case of a 75 year-old man who was diagnosed with a L3-L4 spondylitis with psoas abscess documented at Prevotella denticola. However, the dental origin of the bacteria, the presence of the spondylitis, and the identification on an aneurysm of the inter-atrial septum with a patent oval foramen and finally the metabolic activity of the aortic valve and teeth revealed by 18FFDG PET/ CT ...
Traditional methods for age determination of wildlife include either slicing thin sections off or grinding a tooth, both which are laborious and invasive. Especially when it comes to ancient valuable museum samples rare extinct species, non-invasive preferable. In this study, X-ray micro-computed tomography (µ-CT) was verified as an alternative method three species within the order Carnivora su...
Background and Aims: Relative displacement of the implant with respect to bone and quality of bone-implant contact play critical roles in the dental implant stability. The goal of this study was to investigate the dental implant stability using non-linear finite elements method. Therefore, bone-implant relative displacement due to applied force to the implant was calculated, and then an appropr...
BACKGROUND A precise placement of dental implants is a crucial step to optimize both prosthetic aspects and functional constraints. In this context, the use of virtual guiding systems has been recognized as a fundamental tool to control the ideal implant position. In particular, complex periodontal surgeries can be performed using preoperative planning based on CT data. The critical point of th...
PURPOSE This review describes a new interactive imaging program that allows computed tomography (CT) images to be used to virtually place dental implants and construct a precise guide splint and final prosthesis for delivery at the time of implant placement. MATERIALS AND METHODS Patients with edentulous arches were recruited to participate in a trial program to assess the feasibility of usin...
This paper is intended to describe the confirmative role of radiology in the diagnosis of Stafne Idiopathic bone Cyst (SIBC) without the need for histopathology especially when dental implants are considered so as to avoid unnecessary invasive surgical exploration of this benign pathology. Other pathologies may present not unlike SIBC and as such it is mandatory to rule out such possibilities e...
OBJECTIVE Determine whether the elimination of pain improves accuracy of clinical diagnostic criteria for adult chronic rhinosinusitis. STUDY DESIGN Retrospective cohort study. METHODS History, symptoms, nasal endoscopy, and computed tomography (CT) results were analyzed for 1,186 adults referred to an academic otolaryngology clinic with presumptive diagnosis of chronic rhinosinusitis. Clin...
BACKGROUND Infections of odontogenic origin are the most common cause of inflammatory disease of head and neck region. Computed tomography allows for defining localization and extent of inflammatory lesions, visualizes soft tissue involvement, presence of an abscess or an osteolytic lesion around causative tooth. THE AIM OF THIS STUDY WAS TO ASSESS PATHWAYS, BY WHICH ODONTOGENIC INFECTIONS SPRE...
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