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Ridge augmentation

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https://www.readbyqxmd.com/read/29920915/treatment-of-a-bilaterally-severely-resorbed-posterior-mandible-due-to-early-tooth-loss-by-guided-bone-regeneration-using-customized-allogeneic-bone-blocks-a-case-report-with-24-months-follow-up-data
#1
Oliver Blume, Michael Back, Teresa Born, Ralf Smeets, Ole Jung, Mike Barbeck
OBJECTIVE: The use of allogeneic bone grafts for alveolar ridge reconstruction has become an often-discussed alternative to augmentation procedures using autografts. Nevertheless, there still is a lack of literature concerning long-time experiences of allografts for alveolar ridge reconstruction. Especially the results of the use of allogeneic bone blocks for mandible reconstructions need to be further investigated. CLINICAL CONSIDERATIONS: In this case report, we present the use of customized allogenic bone blocks in Guided Bone Regeneration (GBR) procedures for severely deficient mandibulary bones, the implantation after a healing period of 5 month and the 24-month follow-up data...
June 19, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29909943/onlay-grafting-with-bovine-bone-mineral-block-for-horizontal-reconstruction-of-severely-atrophic-alveolar-ridges-in-anterior-maxillae-a-6-year-prospective-study
#2
Lixin Qiu, Huajie Yu
PURPOSE: The aim of this prospective study was to evaluate the efficacy and long-term outcomes of onlay grafting with bovine bone mineral block for reconstruction of horizontal alveolar ridge defects in anterior maxillae. MATERIALS AND METHODS: Fourteen patients requiring rehabilitation of edentulous anterior maxillae were enrolled to receive onlay grafting in two layers. A cortical block harvested from the lateral aspect of the mandibular ramus was split to acquire approximately 1-mm-thick bone laminae...
April 18, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29901597/alveolar-ridge-augmentation-with-maxillary-sinus-elevation-and-split-crest-comparison-of-2-surgical-procedures
#3
Alessandro Moro, Paolo De Angelis, Sandro Pelo, Giulio Gasparini, Giuseppe D'Amato, Pier Carmine Passarelli, Gianmarco Saponaro
The purpose of this study was to evaluate the clinical and radiological outcomes of 2 piezosurgical split techniques performed in conjunction with the sinus lift.The present retrospective study included 20 patients with edentulism of the posterior maxilla who had undergone the sinus lift and alveolar ridge split treatment separately or the sinus lift combined with the monoblock alveolar ridge split. Differences between these 2 techniques were analyzed.All the surrounding areas successfully produced an adequate bone volume for the insertion of implants...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29897355/histologic-evaluation-of-soft-and-hard-tissue-healing-following-alveolar-ridge-preservation-with-deproteinized-bovine-bone-mineral-covered-with-xenogenic-collagen-matrix
#4
Luca Ramaglia, Raffaele Saviano, Giovanni Matarese, Francesco Cassandro, Ray C Williams, Gaetano Isola
The purpose of this study was to histologically evaluate new bone formation and dimensional soft tissue changes of two different healing protocols (16 weeks and 32 weeks) using deproteinized bovine bone mineral (DBBM) covered with collagen matrix (CM) for alveolar ridge preservation in the anterior esthetic zone prior to dental implant placement. Compared to baseline, both treatments yielded statistically significant differences in several clinical parameters and in the microarchitecture of the native bone and in the newly formed bone in the augmented sites...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29889920/dimensional-evaluation-of-different-ridge-preservation-techniques-with-a-bovine-xenograft-a-randomized-controlled-clinical-trial
#5
Kai R Fischer, Sven Mühlemann, Ronald E Jung, Anton Friedmann, Stefan Fickl
The objectives of this study were to determine the quantitative changes after different ridge preservation techniques (primary aim) and to assess the possibility of placing a dental implant, the bone quality, and the need for bone augmentation (secondary aim). A total of 35 patients who required extraction of at least one tooth (incisor, canine, or premolar) provided 35 single-gap extraction sites. After minimally invasive tooth removal, the sockets were randomly scheduled for one of four treatment modalities: placement of a deproteinized bovine bone mineral (DBBM; Endobon, Biomet 3i) covered with a soft tissue punch from the palate (T1); placement of DBBM alone (T2); placement of DBBM covered with a resorbable collagen membrane (OsseoGuard, Biomet 3i) (T3); or no additional treatment (T4)...
July 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29870308/fifteen-years-of-platelet-rich-fibrin-prf-in-dentistry-and-oromaxillofacial-surgery-how-high-is-the-level-of-scientific-evidence
#6
Shahram Ghanaati, Carlos Herrera-Vizcaino, Sarah Al-Maawi, Jonas Lorenz, Richard J Miron, Katja Nelson, Frank Schwarz, Joseph Choukroun, Robert Sader
Platelet-rich fibrin is a blood concentrate system used for soft tissue and bone tissue regeneration. In the last decade, platelet rich fibrin (PRF) has been widely used in different indication fields, particularly in oral and maxillofacial surgery. This review is aimed to investigate the level of scientific evidence of published articles related to the use of PRF for bone and soft tissue regeneration in dentistry and maxillofacial surgery. An electronic literature research using the biomedical search engine "National Library of Medicine" (PubMed-MEDLINE) was performed in May 2017...
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29858723/the-use-of-mineralized-bone-allograft-as-a-single-grafting-material-in-maxillary-sinus-lifting-with-severely-atrophied-alveolar-ridge-1-3-mm-and-immediately-inserted-dental-implants-a-3-up-to-8-year-retrospective-study
#7
Ioannis Tilaveridis, Maria Lazaridou, Lambros Zouloumis, Ioannis Dimitrakopoulos, Vasilis Tilaveridis, Sofia Tilaveridou
OBJECTIVE: The primary aim of our study was to evaluate the efficacy of mineralized bone allograft alone in sinus floor augmentation with simultaneous implant placement in cases with severe atrophy of the residual maxillary bone (bone height < 4 mm). METHODS: Thirty-five dental implants were placed in 29 patients who underwent sinus augmentation via traditional lateral window technique from 2008 to 2013. Patients with residual alveolar height between 1 and 3 mm at the site of implantation were included in the study...
June 1, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29795106/-osteointegration-of-dental-implants-in-augmented-bone-after-bone-flap-rotation
#8
A M Tsitsiashvili, A M Panin
The article presents clinical case of a patient with partial secondary absence of teeth and maxillary defect because of vertical alveolar bone atrophy. Vertical alveolar ridge augmentation by osseous flap rotation and xenogenous bone block with 10% collagen was performed. Eight months later 4 dental implants with modified surface were placed in the augmentation area. After 3 months 3 implants showed no signs of osteointegration and were removed. Three week later the patient was admitted to ENT department because of maxillary sinusitis symptoms...
2018: Stomatologii︠a︡
https://www.readbyqxmd.com/read/29781765/individualized-titanium-mesh-combined-with-platelet-rich-fibrin-and-deproteinized-bovine-bone-a-new-approach-for-challenging-augmentation
#9
Jonas Lorenz, Sarah Al-Maawi, Robert Sader, Shahram Ghanaati
Autologous bone transfer is regarded as the gold standard for ridge augmentation before dental implantation, especially in severe bony defects caused by tumor resection or atrophy. In addition to the advantages of autologous bone, transplantation has several disadvantages, such as secondary operation, increased morbidity and pain. The present study reports, for the first time, a combination of a xenogeneic bone substitute (BO) with platelet-rich fibrin (PRF), which is a fully autologous blood concentrate derived from the patient's own peripheral blood by centrifugation...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29770578/effect-of-silicon-doped-calcium-phosphate-bone-grafting-materials-on-bone-regeneration-and-osteogenic-marker-expression-after-implantation-in-the-ovine-scapula
#10
Christine Knabe, Doaa Adel-Khattab, Wolf-Dietrich Hübner, Fabian Peters, Tom Knauf, Barbara Peleska, Dirk Barnewitz, Antje Genzel, Roderik Kusserow, Florian Sterzik, Michael Stiller, Christian Müller-Mai
Compared to the currently clinically available bone grafting materials for alveolar ridge augmentation, there is a great demand for bioactive bone substitutes with higher resorbability, which enhance osteogenesis at the same time. This has prompted the development of a silicon-doped rapidly resorbable calcium alkali orthophosphate (Si-CAOP) and silicon-doped β-tricalcium phosphate (Si-TCP). This study evaluated the effect of these two particulate graft materials as compared to the currently clinically used β-TCP on bone formation and osteogenic marker expression after 2 weeks, 1, 3, 6, 12, and 18 months of implantation in critical size defects in the sheep scapula...
May 16, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29763500/the-fate-of-lateral-ridge-augmentation-a-systematic-review-and-meta-analysis
#11
Basel Elnayef, Cristina Porta, Fernando Suárez-López Del Amo, Lorenzo Mordini, Jordi Gargallo-Albiol, Federico Hernández-Alfaro
PURPOSE: Owing to volumetric changes after tooth extraction, lateral ridge augmentation has become a common procedure prior or simultaneous to implant placement. Nonetheless, little is known with regard to the dimensional remodeling after healing of these lateral ridge augmentation procedures. Hence, the purpose of this systematic review was to assess the stability of bone grafting material between augmentation procedures and final healing, in terms of resorption rate. MATERIALS AND METHODS: An electronic and hand literature search was conducted in several databases, such as the Cochrane Oral Health Group Trials Register, Embase, and Cochrane Central Register of Controlled Trials, up until February 2017...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29760086/mapping-the-functional-anatomy-of-orai1-transmembrane-domains-for-crac-channel-gating
#12
Priscilla S-W Yeung, Megumi Yamashita, Christopher E Ing, Régis Pomès, Douglas M Freymann, Murali Prakriya
Store-operated Orai1 channels are activated through a unique inside-out mechanism involving binding of the endoplasmic reticulum Ca2+ sensor STIM1 to cytoplasmic sites on Orai1. Although atomic-level details of Orai structure, including the pore and putative ligand binding domains, are resolved, how the gating signal is communicated to the pore and opens the gate is unknown. To address this issue, we used scanning mutagenesis to identify 15 residues in transmembrane domains (TMs) 1-4 whose perturbation activates Orai1 channels independently of STIM1...
May 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29747802/dental-implants-placed-in-alveolar-ridge-augmented-using-guided-bone-regeneration-procedure-performed-using-resorbable-collagen-membranes-and-particulate-bone-grafts-using-simultaneous-or-staged-approach-exhibit-a-high-survival-rate
#13
Satheesh Elangovan
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Guided bone regeneration with collagen membranes and particulate graft materials: A systematic review and meta-analysis. Wessing B, Lettner S, Zechner W. Int J Oral Maxillofac Implants 2018;33(1):87-100. SOURCE OF FUNDING: Did not receive any funding support TYPE OF STUDY/DESIGN: Systematic review with meta-analysis of data.
June 2018: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29714497/ridge-augmentation-simultaneous-with-immediate-implant-placement-the-subperiosteal-tunneling-technique
#14
Barry P Levin, Stephen J Chu
The efficacy of immediate implant placement has made it an appealing treatment modality in dentistry. Over the past several decades various surgical techniques to minimize the ridge collapse and other adverse changes that occur after tooth extraction have been advocated. This case series proposes a method of soft-tissue augmentation when multiple implants are being immediately placed. The authors describe a subperiosteal tunneling technique that achieves the dual purpose of graft containment/guided bone regeneration and soft-tissue augmentation around maxillary anterior implants...
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29683498/advanced-platelet-rich-fibrin-and-freeze-dried-bone-allograft-for-ridge-preservation-a-randomized-controlled-clinical-trial
#15
Daniel Clark, Yogalakshmi Rajendran, Sarmad Paydar, Sunita Ho, Darren Cox, Mark Ryder, John Dollard, Richard T Kao
BACKGROUND: Advanced platelet-rich fibrin (A-PRF) is an autogenous blood product with applications in dento-alveolar surgery. However, there is minimal information regarding its optimal clinical application or efficacy. The aim of this multi-arm parallel randomized controlled clinical trial was to evaluate the efficacy of A-PRF alone or with freeze-dried bone allograft (FDBA) in improving vital bone formation and alveolar dimensional stability during ridge preservation. METHODS: Forty patients requiring extraction of non-molar teeth and replacement with dental implants were randomized into one of four ridge preservation approaches: A-PRF, A-PRF+FDBA, FDBA, or blood clot...
April 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29682266/bone-regeneration-in-aesthetic-areas-using-titanium-micromesh-three-case-reports
#16
A Scarano, B Assenza, A DI Cerbo, V Candotto, P Santos DE Oliveira, F Lorusso
Purpose: An adequate bone volume for complete circumferential coverage of the implants is very important for obtaining a long-term success of oral implants. To avoid these problems various membranes and biomaterials were used, but soft tissue pressure could cause a membrane collapse toward the defect. The present work describes a ridge augmentation with titanium mesh shaped by adapting it to a bone defect in aesthetic areas. Materials and methods: Three patients with alveolar crest defects received three implants (Bone System, Milano, Italy) and the defects were filled with bone chips...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29671940/a-long-term-prospective-cohort-study-on-immediately-restored-single-tooth-implants-inserted-in-extraction-sockets-and-healed-ridges-cbct-analyses-soft-tissue-alterations-aesthetic-ratings-and-patient-reported-outcomes
#17
Stefanie Raes, Aryan Eghbali, Vivianne Chappuis, Filiep Raes, Hugo De Bruyn, Jan Cosyn
BACKGROUND: Although many studies have been published on single implants, long-term data remain scarce. PURPOSE: To evaluate immediately restored single implants after at least 8 years of follow-up in terms of buccal bone, soft tissue alterations, aesthetic ratings, and patient-reported outcomes. MATERIALS AND METHODS: This prospective cohort study included patients who were consecutively treated with an immediately restored single implant installed in an extraction socket (IIT) or a healed ridge (CIT) in the anterior maxilla...
April 19, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29617179/sclerostin-and-dkk1-inhibition-preserves-and-augments-alveolar-bone-volume-and-architecture-in-rats-with-alveolar-bone-loss
#18
M Liu, P Kurimoto, J Zhang, Q T Niu, M Stolina, P C Dechow, J Q Feng, J Hesterman, M D Silva, M S Ominsky, W G Richards, H Ke, P J Kostenuik
Alveolar bone is a mechanosensitive tissue that provides structural support for teeth. Alveolar bone loss is common with aging, menopause, tooth loss, and periodontitis and can lead to additional tooth loss, reduced denture fixation, and challenges in placing dental implants. The current studies suggest that sclerostin and DKK1, which are established osteocyte-derived inhibitors of bone formation, contribute to alveolar bone loss associated with estrogen ablation and edentulism in rats. Estrogen-deficient ovariectomized rats showed significant mandibular bone loss that was reversed by systemic administration of sclerostin antibody (SAB) alone and in combination with DKK1 antibody (DAB)...
April 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29610621/therapeutic-challenge-in-a-severely-atrophic-mandible
#19
Edvard Janev, Nadica Janeva, Marija Peeva-Petreska, Kristina Mitic
BACKGROUND: After tooth loss, however, severely atrophic residual alveolar ridges are fairly common, especially in patients who have been edentulous for a long period. Anterior area of the mandible is areas where clinicians have greater anatomical limitations. Reduced alveolar bone height very often represents a contraindication to implant therapy, unless a procedure such as a ridge augmentation is performed. CASE REPORT: This study aims to present two separate cases in highly selected edentulous anterior mandibular sites, where one stage, mini implants were used to support total prostheses...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29568176/interdisciplinary-approach-to-enhance-the-esthetics-of-maxillary-anterior-region-using-soft-and-hard-tissue-ridge-augmentation-in-conjunction-with-a-fixed-partial-prosthesis
#20
Shaleen Khetarpal, Ajay Chouksey, Anand Bele, Rahul Vishnoi
Favorable esthetics is one of the most important treatment outcomes in dentistry, and to achieve this, interdisciplinary approaches are often required. Ridge deficiencies can be corrected for both, soft- and hard-tissue discrepancies. To overcome such defects, not only a variety of prosthetic options are at our disposal but also several periodontal plastic surgical techniques are available as well. Various techniques have been described and revised, over the year to correct ridge defects. For enhancing soft-tissue contours in the anterior region, the subepithelial connective tissue graft is the treatment of choice...
January 2018: Journal of Indian Society of Periodontology
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