ObjectivesThe restoration of edentulous posterior maxilla with dental implants is challenging due to a deficient posterior alveolar ridge. Over the last decade an advance in the graftless bone augmentation procedures had occurred where the space left beneath the Schneiderian membrane is filled with blood clot in order to produce bone formation. The aim of present article is to review the scientific literature with respect to bone formation in the sinus, after membrane elevation procedure, without using any bone substitutes.Material and MethodsA comprehensive review of the current literature was conducted according to the PRISMA guidelines by accessing the NCBI PubMed database. The articles were searched from 1993 to 2013. English language articles with minimum one year patient follow-up and radiological and/or histological diagnostics of newly formed bone were included. Articles were excluded, if usage of bone graft or bone substitutes and/or usage of osteotome has been made during sinus lift operation.ResultsA total of 19 studies were included: 2 studies were related to the sinus membrane’s osteogenic potential, 3 to the histological evidence of bone formation in monkeys and humans, 12 to the radiologic evidence of bone gain, and 2 to the space-maintaining management. 100% of the reviewed articles presented with increased bone formation and high implant survival rates resulting from the graft-free technique.ConclusionsIt is clearly shown in the review that the potential of the maxillary sinus to heal and to form new bone without bone grafts or substitutes is of high nature.
ObjectivesThe purpose of the study is to systematically review the osseointegration process improvement by bone morphogenetic protein coating on titanium implant surface.Material and MethodsAn electronic literature search was conducted through the MEDLINE (PubMed) and EMBASE databases. The search was restricted for articles published during the last 10 years from October 2006 to September 2016 and articles were limited to English language.ResultsA total of 41 articles were reviewed, and 8 of the most relevant articles that are suitable to the criteria were selected. Articles were analysed regarding concentration of bone morphogenetic protein (BMP), delivery systems, adverse reactions and the influence of the BMP on the bone and peri-implant surface in vivo. Finally, the present data included 340 implants and 236 models.ConclusionsIt’s clearly shown from most of the examined studies that bone morphogenetic protein increases bone regeneration. Further studies should be done in order to induce and sustain bone formation activity. Osteogenic agent should be gradually liberated and not rapidly released with priority to three-dimension reservoir (incorporated) titanium implant surface in order to avoid following severe side effects: inflammation, bleeding, haematoma, oedema, erythema, and graft failure.
Objectives The goal of this systematic review was to assess the current literature about sinus augmentation procedure using different types of tooth derived bone graft materials, thorough analysing the outcomes of sinus grafting with tooth grafts compared to sinus grafting with xenografts, allografts and alloplasts by radiography and histomorphometry. Material and Methods An electronic search in the MEDLINE (NCBI PubMed and PubMed Central) database was conducted to identify articles concerning application of tooth bone grafts in sinus augmentation. The search was restricted to English language articles published in the last 10 years (December 2009 to March 2019). Results In total, 21 articles were found, out of which 7 met the inclusion criteria and were included in the final synthesis. According to the type of diagnostic tool, data about graft material outcome in sinus was extracted, and included the residual alveolar height, augmented graft height, resorption height as seen in panoramic radiography and histomorphometric analysis of new bone formation and residual graft material. Conclusions Within the limitations of our review, we suggest that tooth derived graft materials are as successful as xenografts, allografts and alloplasts in sinus augmentation procedures according to the radiographic and histomorphometric showings. Additional wider research should be conducted in order to determine whether tooth derived graft materials are superior to the currently used materials.
ObjectivesThe purpose of this article is to systematically review the circumstance of oral cancer around osseointegrated dental implants.Material and MethodsAn electronic literature search was conducted through the MEDLINE (PubMed) and EMBASE databases. The search was restricted for articles published during the last 21 years from January 1996 to April 2017 and articles were limited to English language.ResultsA total of 35 articles were reviewed, and 19 of the most relevant articles that are suitable to the criteria were selected. Case reports were analysed when oral cancer was present in patients with dental implants. Finally, the present data included 28 patients.ConclusionsA direct link between dental implants and oral cancer was not found. It was observed that there were no significant differences in number of incidences of oral cancer between patients with history of malignancy and those without. More research should be made to document such cases. It was noticed that in many cases oral cancer around dental implant present itself as peri-implantitis, correct differential diagnosis is essential in such cases.
ObjectivesThere aren’t any objective methods that may help in standard evaluation of oral surgery patient’s psycho-emotional status. Without any standardized evaluation, two main problems appear: heterogeneity between studies and ineffective patient’s evaluation. Therefore, Universal Scale in Oral Surgery (USOS) for patient’s psycho-emotional status rating has previously been proposed by authors. The aim of present study is to assess the clinical effectivity and validate the Universal Scale in Oral Surgery in case of outpatient tooth extraction for adult healthy patients.Material and MethodsClinical trial to validate the USOS for patient’s psycho-emotional status rating was performed. In total 90 patients, that came for outpatient dental extraction to Lithuanian University of Health Sciences Oral and Maxillofacial Surgery Department ambulatory, were enrolled in clinical trial. Patients filled self-reported questionnaires before the procedure. Operating surgeon rated USOS for patient’s psycho-emotional status rating doctor’s part questionnaire after the procedure. 4 - 6 weeks later all patients were asked to fill USOS for patient’s psycho-emotional status rating questionnaire retrospectively. ResultsAccording to the statistical analysis, the final composition of USOS for patient’s psycho-emotional status rating that would fit to reliability coefficient should be composed from 6 patient part questions and 3 general doctor part questions.ConclusionsUniversal Scale in Oral Surgery for patient’s psycho-emotional status rating is a novel, doctor and patient rated scale which is suitable for clinical and scientific usage.
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