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Peri-implantitis

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https://www.readbyqxmd.com/read/28632254/osteogenic-potential-of-gingival-mesenchymal-stem-cells-over-titanium-machined-surfaces
#1
Julio A Carrion, Junaid Rajani, Mohamed Al Bahrawy, Xiaojun Chan, Tae Jin Kim, Srinivas Myneni, Vincent J Iacono
PURPOSE: To evaluate the biochemical composition of bone nodules deposited by gingival mesenchymal stem cells (GMSCs) over titanium machined surfaces in vitro. MATERIALS AND METHODS: GMSCs were isolated from healthy gingival tissues of patients undergoing crown-lengthening surgical procedures. GMSCs were characterized following the International Society for Cellular Therapy guidelines. After incubation of the GMSCs with titanium discs, osteogenic differentiation was induced for 28 days...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28629833/new-approach-to-improve-the-keratinised-peri-implant-soft-tissues-in-patients-with-intraoral-osteocutaneous-reconstruction-using-a-free-flap
#2
N Patel, D Patel, J Kwok
No abstract text is available yet for this article.
June 16, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28629832/evaluation-of-four-designs-of-short-implants-placed-in-atrophic-areas-with-reduced-bone-height-a-three-year-retrospective-clinical-and-radiographic-study
#3
J A Lopez Torres, S A Gehrke, J L Calvo Guirado, L F R Aristazábal
The aim of the present study was to evaluate retrospectively the clinical and radiographic behaviour of four commercially-available short implants with different macrodesigns and microdesigns in areas in which the height of the bone was reduced. We took into account the success and survival, peri-implant crestal bone loss, and the level of probing at which the gum bled. Patients were included if they had been given one or more short implants (≤8.5mm long) in the posterior jaws at least three years earlier...
June 16, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#4
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28626970/surgical-treatment-of-peri-implantitis-intrabony-lesions-by-means-of-deproteinized-bovine-bone-mineral-with-10-collagen-7-year-results
#5
Mario Roccuzzo, Dario Pittoni, Andrea Roccuzzo, Lorena Charrier, Paola Dalmasso
OBJECTIVES: The aim of this study was to evaluate the long-term results of the surgical treatment of single peri-implantitis intrabony defects, by means of deproteinized bovine bone mineral with 10% collagen (DBBMC). MATERIAL AND METHODS: The original population consisted of 26 patients with one crater-like defect, around either sandblasted and acid-etched (SLA) or titanium plasma-sprayed (TPS) dental implants, with a probing depth (PD) ≥6 mm and no implant mobility (Roccuzzo et al...
June 18, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28625077/microbiome-and-microbial-biofilm-profiles-of-peri-implantitis-a-systematic-review
#6
Gloria Inés Lafaurie, María Alejandra Sabogal, Diana Marcela Castillo, María Victoria Rincón, Luz Amparo Gómez, Yamil Augusto Lesmes, Leandro Chambrone
BACKGROUND: This systematic review assesses the microbiological profiles of peri-implantitis, periodontitis and healthy implants based on studies that evaluated microbial biofilms and entire microbiomes to establish their similarities and differences. METHODS: The Medical Literature Analysis and Retrieval System Online, via PubMed, EMBASE (Excerpta Medica Database) and Cochrane Central Register of Controlled Trials (CENTRAL) were searched without language restrictions through July 30, 2016...
June 19, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28625076/the-one-abutment-one-time-protocol-a-systematic-review-and-meta-analysis
#7
Momen A Atieh, Andrew Tawse-Smith, Nabeel H M Alsabeeha, Sunyoung Ma, Warwick J Duncan
BACKGROUND: The use of definitive abutments (DAs) at the time of implant placement has been introduced to overcome the limitations of dis/reconnection of healing / provisional abutments (PAs). With little and inconsistent information in the literature regarding the effectiveness of using DAs, the aim of this systematic review was to examine marginal bone and soft tissue level changes, technical and biological complications and implant failure associated with the use of DAs and PAs. METHODS: This systematic review was prepared according to the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement...
June 19, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28622020/the-effect-of-direct-and-indirect-force-transmission-on-peri-implant-bone-stress-a-contact-finite-element-analysis
#8
Annike Rand, Meike Stiesch, Michael Eisenburger, Andreas Greuling
In almost all finite element (FE) studies in dentistry, virtual forces are applied directly to dentures. The purpose of this study was to develop a FE model with non-linear contact simulation using an antagonist as force transmitter and to compare this with a similar model that uses direct force transmission. Furthermore, five contact situations were created in order to examine their influence on the peri-implant bone stresses, which are relevant to the survival rate of implants. It was found that the peri-implant bone stresses were strongly influenced by the kind of force transmission and contact number...
August 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28618434/alveolar-ridge-augmentation-using-dystopic-autogenous-tooth-2-year-results-of-an-open-prospective-study
#9
Veronika Pohl, Sebastian Pohl, Irene Sulzbacher, Rudolf Fuerhauser, Georg Mailath-Pokorny, Robert Haas
PURPOSE: To evaluate the use of chemically unchanged tooth material in lateral alveolar ridge augmentation or for the filling of jaw defects. MATERIALS AND METHODS: A total of 20 patients underwent either lateral augmentation of the alveolar process (11 patients) or filling of jaw defects (6 patients) with autogenous unaltered tooth material in a longitudinal 2-year study. In three patients, the jaw defect was so marked that a bone block graft had to be used for augmentation in addition to particulate dental material...
June 14, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28618433/crestal-sinus-augmentation-with-recombinant-human-bone-morphogenetic-protein-2-clinical-and-radiographic-outcomes-of-2-year-pilot-trial
#10
Ulrike Kuchler, Claudia M Rudelstorfer, Barbara Barth, Gabor Tepper, Dominika Lidinsky, Patrick Heimel, Georg Watzek, Reinhard Gruber
PURPOSE: Recombinant human bone morphogenetic protein 2 (rhBMP-2) together with an absorbable collagen carrier (ACS) was approved for augmentation of the maxillary sinus prior to implant placement. The original registration trial was based on a lateral window approach. Clinical outcomes of crestal sinus augmentation with rhBMP-2 have not been reported so far. MATERIALS AND METHODS: An uncontrolled pilot trial in which seven patients with a residual maxillary height below 5 mm were enrolled to receive crestal sinus augmentation with rhBMP-2/ACS was conducted...
June 14, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28612506/synergistic-interactions-between-corrosion-and-wear-at-titanium-based-dental-implant-connections-a-scoping-review
#11
REVIEW
K Apaza-Bedoya, M Tarce, C A M Benfatti, B Henriques, M T Mathew, W Teughels, J C M Souza
Two-piece implant systems are mainly used in oral implantology involving an osseointegrated implant connected to an abutment, which supports prosthetic structures. It is well documented that the presence of microgaps, biofilms and oral fluids at the implant-abutment connection can cause mechanical and biological complications. The aim of this review paper was to report the degradation at the implant-abutment connection by wear and corrosion processes taking place in the oral cavity. Most of the retrieved studies evaluated the wear and corrosion (tribocorrosion) of titanium-based materials used for implants and abutments in artificial saliva...
June 14, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28609492/correlation-of-three-dimensional-radiologic-data-with-subsequent-treatment-approach-in-patients-with-peri-implantitis-a-retrospective-analysis
#12
Philip Bender, Giovanni E Salvi, Daniel Buser, Anton Sculean, Michael M Bornstein
The purpose of this retrospective radiographic study was to evaluate and correlate the dimensions and morphology of peri-implant bone defects as determined via cone beam computed tomography (CBCT) scans with regard to the selected treatment approach. Vertical and horizontal peri-implant bone defects (mesial, distal, mesio-oral, mesiobuccal, disto-oral, distobuccal, oral, and buccal) in peri-implantitis cases were measured. Three-dimensional data and defect morphology were correlated to the treatment approach chosen (explantation versus implant retention)...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28606454/high-oestradiol-concentration-after-ovarian-stimulation-is-associated-with-lower-maternal-serum-beta-hcg-concentration-and-neonatal-birth-weight
#13
Suying Liu, Yanping Kuang, Yu Wu, Yun Feng, Qifeng Lyu, Li Wang, Yijuan Sun, Xiaoxi Sun
In this retrospective study, the relationship between maternal serum oestradiol and progesterone levels after fresh embryo transfer or frozen embryo transfer (FET), and serum beta-HCG levels in early pregnancy and neonatal birth weight was examined. Included for analysis were 5643 conceived singletons: 2610 after FET and 3033 after fresh embryo transfer. Outcome measures included maternal serum oestradiol, progesterone, beta-HCG levels during the peri-implantation period, birth weight and small-for-gestational-age (SGA)...
May 22, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28606438/periosteal-elevation-induces-supracortical-peri-implant-bone-formation
#14
Rainer Lutz, Christina Sendlbeck, Hommeira Wahabzada, Christian Tudor, Christopher Prechtl, Karl Andreas Schlegel
PURPOSE: The aim of the study was to evaluate the possibility of supracortical peri-implant bone formation after periosteal elevation. MATERIALS AND METHODS: Periosteal elevation with an elevation height of 5 or 10 mm was performed in an animal experiment with 24 female domestic pigs. For this purpose, four implants were inserted in the frontal bone of each animal. The implants protruded from the local bone by 5 or 10 mm. In the test groups, the periosteum was attached to the protruding implants...
May 19, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28604262/current-evidence-on-the-socket-shield-technique-a-systematic-review
#15
Amit Srikant Gharpure, Neel B Bhatavadekar
The recently popularised socket-shield technique involves intentional retention of a section of the remnant root at the time of immediate implant placement to preserve the buccal/proximal bone from resorption. The objective of this systematic review was to assess the literature available on the socket-shield technique and weigh its biological plausibility and long-term clinical prognosis. A Systematic Search was performed in PubMed-Medline, Embase, Web of Knowledge, Google Scholar and Cochrane Central for clinical/ animal studies up to April 2017...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28604223/soft-tissue-enhancement-combined-with-biologically-oriented-preparation-technique-bopt-to-correct-volumetric-bone-defects-a-clinical-case-report
#16
Davide Rancitelli, Pierpaolo Poli, Marco Cicciù, Francesco Lini, Rachele Roncucci, Gabriele Cervino, Carlo Maiorana
The aim of the present case report was to illustrate how to obtain an ideal alveolar ridge contour by means of peri-implant soft tissues management combined with the prosthetic approach of the biologically oriented preparation technique (BOPT). A patient presenting a moderate vertical and horizontal bone loss in the posterior maxilla was treated with sinus floor elevation and contextual implant placement. During the re-entry procedure, the horizontal defect was corrected with an apically repositioned flap combined with a connective tissue graft...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28598288/implant-patient-compliance-varies-by-periodontal-treatment-history
#17
Blerina Zeza, Andrea Pilloni, Dimitris N Tatakis, Angelo Mariotti, GianLuca Di Tanna, Claudio Mongardini
BACKGROUND: This retrospective study aimed to assess the compliance to supportive periodontal therapy (SPT) of implant treated patients with different periodontitis history and the possible influence of their compliance on peri-implant marginal bone level. MATERIAL AND METHODS: Dental records of 106 patients treated with at least one dental implant were reviewed. A single operator who did not provide care to the patients recorded the following during the first year of implant function (first year of follow-up), during the first 5 years of follow-up and during the entire follow-up duration: (a) number of recalls; (b) compliance, calculated from registered attendance; (c) periodontal disease history; (d) peri-implant radiographic bone level from most recent examination; and (e) clinical parameters: probing pocket depth (PPD) and bleeding on probing (BOP)...
June 9, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28597401/biomechanical-evaluation-of-the-risk-of-secondary-fracture-around-short-versus-long-cephalomedullary-nails
#18
William E Daner Iii, John R Owen, Jennifer S Wayne, Ryan B Graves, Mark C Willis
INTRODUCTION: For proximal femur fractures, long cephalomedullary nails (CMNs) are often selected to avoid a diaphyseal stress riser at the tip of a shorter nail. Secondary peri-implant fracture rates for long and short CMN have not been shown to differ clinically. This study biomechanically compares both CMN in a cadaveric model. METHODS: Ten matched pairs of cadaveric femora with short or long CMN were axially loaded and internally rotated to failure. RESULTS: Resulting fractures involved distal interlocking screws of the short and long CMN...
June 8, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28593902/inverted-pyramid-of-prenatal-care-is-it-enough-should-it-be-extended-inverted-pyramid-of-prenatal-care
#19
Aleksandar Ljubić
In recent years, the idea of the inverted pyramid of prenatal care and monitoring has emerged, for the purpose of prediction and prevention, early detection and treatment of health disorders of the fetus. Is this enough? If we analyze the period behind us, progress has been made in the field of detection of multiple pregnancies, dating of pregnancy and prenatal detection of chromosomal and structural fetal disorders, as well as a small amount of progress in terms of prediction and prevention of preeclampsia...
April 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28590091/an-update-on-the-protocols-and-biologic-actions-of-platelet-rich-fibrin-in-dentistry
#20
Rucha Shah, Triveni M G, Raison Thomas, Dhoom Singh Mehta
Platelet rich fibrin (PRF) is a surgical biologic additive that is prepared by manipulation of autologous blood. It has now evolved to become one of the most widely used platelet concentrate in dentistry. It has almost replaced Platelet rich plasma (PRP) for usage owing to its advantages such as being 100% autogenous, easy technique, time and cost effectiveness, superior & prolonged growth factor release. It finds varied applications in dentistry including management of gingival recession, for guided bone regeneration in periodontal, peri-implant and endodontic bone defects...
June 2017: European Journal of Prosthodontics and Restorative Dentistry
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