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EN
Conventional and modern methods of radiological imaging are often used in the diagnosis of temporomandibular joint disorders, and the CT technique is particularly characterized by an excellent visualization of bony structures. The aim of the study was to show the importance and role of CT in the evaluation of TMJ bone structures in both patients with articular disc displacement and in a group of healthy subjects. Both study groups were assessed with the use of the transverse plane. Herein, multi-slice spiral computed tomography was performed in 47 subjects. These individuals were qualified for CT by way of magnetic resonance imaging, due to their being diagnosed with a displacement of their temporomandibular joint disc. The product of our study is presented as a set of tables. These are comparisons of radiological parameters based on the shape, size and location of the mandibular head, in the examined patients, in a control group, and with regard to sex. The results of our work indicate that CT can be successfully used in the imaging of TMJ bone structures, specifically, the condylar process of the mandibular head and the joint socket. However, statistically significant differences of the utilized parameters between patients with articular disc displacement and controls, warrant further analysis of this issue.
EN
Gold is a noble metal with very good chemical resistance. It also does not become oxidized in water or air. Pure gold has a bright yellow color and shine, and it is a heavy, but soft metal with huge plasticity and ductility. For many years, gold and its alloys have been recognized as being great prosthetic material in dental practice. In current dentistry, the progress in materials science and galvanoforming techniques have made it possible to create precise restorations utilizing this metal. This pertains both to fixed and removable dentures. Galvanized gold has a range of advantages, among these being biocompatibility, proper marginal tightness, endurance, its esthetic design and the fact that it boasts bacteriostatic features.
EN
Gold is a dental material with very good mechanical properties. It is also aesthetic and biocompatible with the tissues of the oral cavity even at 100% purity. Prosthetic restorations made of pure gold or its alloys can be practiced either through a normal casting, as well as through using the galvanoforming technique. The electrolytic method was first introduced into dentistry about 20 years ago and it allows for producing “pure” gold (which means 99.99% Au). The lack of additions of other metals improves the properties of dental prostheses, such as marginal tightness, esthetics, biocompatibility, and it helps in eliminating any allergic reactions. The literature review presented in this paper is a comparison of the traditional casting method with the newer galvanoforming technique.
EN
Introduction. The joint hypermobility syndrome is a connective tissue disorder affecting the entire organism. The symptoms include laxity of joint-stabilizing capsules and ligaments, excessive joint mobility and other accompanying symptoms. Some symptoms manifest in the oral cavity, which is of importance to dentists. Aim. The authors attempted to determine the prevalence of joint hypermobility syndrome in the population studied. Material and methods. The questionnaire study was conducted amongst students of the Faculty of Medicine with Dentistry Division, Medical University of Lublin. The study population consisted of 321 individuals, including 283 Polish students and 37 students of south-eastern nationalities (Saudi Arabia, Taiwan). Results and conclusions. The prevalence of constitutional hypermobility amongst dental students is comparable to that reported in literature. Constitutional hypermobility is more common in students of south-eastern nationalities than in Polish students.
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