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Post and core devices are elements that contribute to the complete restoration of the coronary abutment, over which the final prosthetic restoration will be created. Their role is to retain the coronary portion of the restoration and to protect the remaining coronary structures. The retention function is dictated by the major indication of the method, massive coronary destruction that does not provide conditions for coronary aggregation of the restoration. Thus, this material is approaching two unique methods of making post and core devices totally metallic and/or hybrid (metal + totally ceramic component), using both classical technology, modern technologies, but also combinations of them.

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. 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.

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.

Due to its considerable systemic impact, several local and general methods to control surgical ( intra/perioperative) bleeding have been developed, with particular characteristics adapted to each type of surgery. In orthopaedic procedures, elective or urgent, bleeding is to be seriously considered , since usually both bones and soft tissues are injured or cut, so adapted haemostatic means have to be used. This issue is of particular importance especially when very small vessels are involved, and especially on large surfaces, since ligation or cauterization are useless in these situations. An effective tool in these circumstances is the group of fibrin sealants, which can stop diffuse bleeding on surfaces when produced by very small vessels. The authors present their clinical experience with fibrin sealants, underlining the indications and the limits of the method.

Treating chronic bone infection is challenging, requiring complete excision of the affected areas and antimicrobial therapy. Acquiring active concentrations of antibiotics is difficult, as well as filling up bone defects resulting from sequestrectomy, and very few methods of treatment address both issues simultaneously. The authors describe the clinical results after using Collatamp G, a collagen-based, antibiotic filled sponge with two actions: local delivery of high antibiotic doses without systemic side effects and enhancement of healing due to collagen, thus covering the bone defect without any further osteoplastic surgery. This paper thus identifies Collatamp G as a biomaterial able to solve the above mentioned problems in treating bone infections.Keywords: bone infections, collagen matrix, gentamicine, antibiotic delivery