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Edward Hartley Angle was an eminent American scientist, dentist, great inventor, being rightly considered to be the father of modern orthodontics. The great American scientist was the author of an impressive number of patents (46) and was the coordinator of 7 editions of some impressive Orthodontic Treatises. Thus, in this material, which we structured in 2 distinct parts, we tried to present as concisely as possible the most important data from the biography of Dr. Edward Hartley Angle.

Introduction. Peri-implantitis is a non-specific inflammation, induced or maintained in the host tissues. Peri-implantitis usually presents a succession of specific symptoms, such as: bleeding on palpation, mobility of the dental implant, pain, increased depth of the pockets located around dental implants. Purpose. Thus, in this material we wanted to carry out a review of the main notions, both theoretical and practical, which characterize the diseases of surrounding tissues of dental implant called peri-implantitis. Material and method. For this study, we used 31 practitioners from Bucharest who frequently perform implant-prosthetic rehabilitation treatments, based on a questionnaire consisting of 6 questions. Results and discussions. The doctors included in the study showed that they have a thorough training in the field of implant-prosthetic restorations and of course in the diagnosis and treatment of peri-implantitis. Conclusions. In-depth knowledge of the notions related to peri-implantitis leads to an early diagnosis, favoring the rapid application of a treatment that prevents the occurrence of subsequent complications.

Introduction. Atherosclerosis represents the process of stiffening of the arterial wall and includes arterial changes secondary to atherosclerosis, as well as physiological changes, reducing vascular elasticity in the elderly. However, the importance of knowing the pathology of atherosclerosis is mandatory among dentists, given the high frequency of patients with atherosclerotic lesions. Purpose. Through this study we tried to familiarize dentists on the therapeutic behavior towards patients with atherosclerosis but also the risks arising from it. Material and method. 87 practitioners from Romania helped to carry out this study between September and November 2018. Results and discussions. A clear picture emerged regarding the changes and manifestations in patients with atherosclerosis by dental practitioners as well as the attitude to be adopted in the case of treatments for such patients. Conclusions. Knowing the pathology of patients at cardiovascular risk as well as the therapy to be applied for them, is a must for dentists given the growing number of patients and the pathology with different stages of evolution.

Introduction. Any new class of materials almost always brings with it a new processing technology, regardless of the field in which it is operated. If this technology is not fully respected, all the benefits and performance of the material can be compromised. Purpose. In this material we tried not only a familiarization of the dental technicians, but rather their awareness regarding the polymerization processes, which intervene in various technologies for creating prosthetic restorations of any kind. Material and method. For this study, 53 dental technicians, who have completed various forms of schooling, answered 10 questions related to the different forms of polymerization used in the dental technology. Results and discussions. The answers obtained give us an image regarding the knowledge of the practitioners in this field, but also the way in which the theoretical knowledge is verified in practice by the daily experience of the respondents. Conclusion. There is a variation in the accumulated knowledge, a variation that can be based both on the studies followed by each participant in the study and on how they use the materials discussed in this article in daily practice.

Introduction. Most patients over 40 years old who present for specific treatments in the dental offices have at least one general condition. Specialized research has shown that atherosclerosis is more common in patients with periodontal disease, which suggests that periodontal and cardiovascular disease may have similar causes. Purpose. Given the close connection between the two conditions, we have tried to draw the attention of patients to the importance of the prophylactic maneuvers performed by him or by specialized personnel and we also want to emphasize the importance of the dental hygienist in this process. Material and method. In order to carry out this study, a questionnaire with predetermined answers was used, applied to 57 patients with ischemic cardiomyopathy and who presented for specialized treatments in dental offices. Results and discussions. The answers really reflect how the patients understood the connection between the two conditions and how they perform the oral and dental hygiene. Conclusions. Given that many of the respondents do not perform the hygiene procedures correctly or incompletely, there is a need for a medical staff to discuss with patients to educate them on the importance and the way of hygiene and to perform the oral and dental hygiene procedures, in short the dental hygienist.

Objective. The purpose of this study is to draw attention of dental medicine specialist’s team on risks they are exposed to, by modifying treatment plans in order to fit medical tourism programs. Material and method. In this study a questionnaire was applied to a number of 173 dentists with differend specializations, regarding the adaption of treatment options for patients from medical tourism programs and risks posed by changes they had applied. Results. The analysis of results shows that the treatment approach for medical tourists is mostly based on a multidisciplinary team. In terms of quality of the treatment it is distinguished the use of specialists focused on specific fields of dentistry, but we must not neglect the fact that the therapeutical act is adapted to a reduced treatment time. Conclusions. For most of professionals of dental tourism, the financial aspect comes first and not the ethical aspect of medical care.

Aim of the study The purpose of this study was to evaluate the possibilities of electron microscopy validation of the visual ICDAS codes 5 and 6 for proximal surfaces using a ROC statistical analysis. Material and methods 110 proximal surfaces of anterior and posterior extracted teeth were visually inspected by 6 observers. 65 caries were classified as ICDAS code 5 and 45 cases were classified as ICDAS code 6. These surfaces were photographed, the teeth were sectioned and the fragments of interest were analyzed at the scanning electronic microscope (SEM). The SEM images were used as validation tools for the initial diagnostic ICDAS code. Results The results of the six observers were used in the statistical analysis for evaluating the diagnostic performance for each code. The mean value of the diagnostic performance A(z) was 0,766 for the code 5 caries and 0,850 for the code 6 caries (p>0,05). Conclusions The electron microscopy validation was efficient and the diagnostic performance proved that code 6 was identified easier than code 5.