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Vertical bone augmentation

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https://www.readbyqxmd.com/read/28416835/-polymethylmethacrylate-augmentation-of-bone-cement-injectable-cannulated-pedicle-screws-was-used-to-treat-degenerative-lumbar-scoliosis-with-osteoporosis
#1
H L Sun, C D Li, X W Li, X D Yi, H Liu, H L Lu, H Li, Z R Yu, Y Wang
OBJECTIVE: To describe the application of polymethylmethacrylate (PMMA) augmentation of cement-injectable cannulated pedicle screws for the treatment of degenerative lumbar scoliosis with osteoporosis. METHODS: Retrospective cohort study was used to compare cement injectable cannulated pedicle screws (CICPs) group with PMMA augmentation and control group with traditional method in the correction surgery for Lenke-silva level III and level IV degenerative scoliosis cases with osteoporosis...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28402345/mandibular-regional-anatomical-landmarks-and-clinical-implications-for-ridge-augmentation
#2
Istvan A Urban, Alberto Monje, Hom-Lay Wang, Jaime Lozada, Gabor Gerber, Gabor Baksa
Mandibular ridge augmentation via guided bone regeneration in the atrophic mandible is considered one of the most challenging scenarios for implant-supported oral rehabilitation. Uneventful wound healing has clearly demonstrated its impact on the final regenerative outcome. Soft tissue management must be precise and adequate to attain flap-free wound closure. Accordingly, it demands exhaustive insight and expertise to avoid damaging the neighboring structures. The cadaver study described herein discusses the mandibular morphologic landmarks (ie, musculature, vascularization, innervation, and salivary glands) necessary to safely perform regenerative procedures in the atrophic mandibular ridge, such as vertical ridge augmentation and dental implant surgery...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28390758/alternative-distraction-osteogenesis-technique-after-implant-placement-for-alveolar-ridge-augmentation-of-the-maxilla
#3
Renato Luiz Maia Nogueira, Rafael Lima Verde Osterne, Ricardo Teixeira Abreu, Phelype Maia Araújo
An alternative technique to reconstruct atrophic alveolar vertical bone after implant placement is presented. The technique consists of distraction osteogenesis or direct surgical repositioning of an implant-and-bone block segment after segmental osteotomies that can be used in esthetic or unesthetic cases. Initially, casts indicating the implant position are obtained and the future ideal prosthetic position is determined to guide the model surgery. After the model surgery, a new provisional prosthesis is fabricated, and an occlusal splint, which is used as a surgical guide and a device for distraction osteogenesis, is custom fabricated...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28368131/narrow-diameter-implants-dual-function-as-a-tent-pole-for-vertical-ridge-augmentation-and-a-guide-for-definitive-implant-position
#4
Takanori Suzuki, Ismael Khouly, Sang-Choon Cho, Stuart Froum
Vertical bone defects present a challenge for the placement of implants in sufficient bone with proper position for a successful treatment outcome. This case report describes the use of a narrowdiameter (2.2 mm) implant as a tent pole for guided bone regeneration and documents the vertical bone augmentation achieved. In addition, following removal, the narrow-diameter implant served as a guide for the proper positioning and angulation of the final implant and its supporting restoration. The protocol and step-by-step procedure are described...
April 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28349056/maxillary-sinus-augmentation-with-decellularized-bovine-compact-particles-a-radiological-clinical-and-histologic-report-of-4-cases
#5
Antonio Scarano
Background. One of the most problematic regions for endosseous implants is the posterior maxilla, not only having poor bone density, but also lacking adequate vertical height as a result of sinus pneumatization. The purpose of the present study was a radiologic, histological, and histomorphometrical evaluation, in humans, of specimens retrieved from sinuses augmented with decellularized bovine compact particles, after a healing period of 6 months. Methods. Four patients, with atrophic resorbed maxillas, underwent a sinus lift augmentation with decellularized bovine compact bone from bovine femur...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28301385/histological-and-histomorphometrical-determination-of-the-biogradation-of-%C3%AE-tricalcium-phosphate-granules-in-maxillary-sinus-floor-augmentation-a-prospective-observational-study
#6
Tsuneji Okada, Toru Kanai, Noriko Tachikawa, Motohiro Munakata, Shohei Kasugai
INTRODUCTION: We have recently used highly pure β-TCP (beta-tricalcium phosphate) as the bone grafting material to avoid highly invasive autogenous bone grafting. We evaluated the osseoconduction potential of highly pure β-TCP in sinus augmentation surgery treatment. MATERIALS AND METHODS: The study group comprised 13 patients who underwent maxillary sinus floor augmentation with β-TCP alone. Seven patients underwent sinus augmentation and implant placement simultaneously...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28299252/secondary-closure-of-alveolar-cleft-with-resorbable-collagen-membrane-and-a-combination-of-intraoral-autogenous-bone-graft-and-deproteinized-anorganic-bovine-bone
#7
Lobna Abdel Aziz Aly, Nelly Hammouda
OBJECTS: Secondary alveolar bone grafting is a method that enables an excellent oral rehabilitation of the patients having alveolar cleft. The aim of this work is to report the closure of the alveolar cleft with the use of harvested autogenous bone graft combined with deproteinized anorganic bovine bone (Bio-Oss) under local anesthesia. SETTINGS AND SAMPLE POPULATION: Nine patients with age range, 8-11 years were consulted for their unilateral alveolar cleft. MATERIALS AND METHODS: A combination of symphyseal bone and deproteinized bovine bone mineral (DBBM) was placed into the alveolar cleft defect...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28298833/minimally-invasive-maxillary-sinus-elevation-using-balloon-system-a-case-series
#8
Radha Bharathi Dhandapani, Shivakumar Baskaran, Kurumathur Vasudevan Arun, Thirunelveli Saravanan Subbu Kumar
The posterior maxillary segment frequently exhibits insufficient bone mass to support dental implants. Sinus floor augmentation enables implant placement in the posterior maxilla. This case series included ten sites, in which sinus floor elevation was done using sinus lift balloon system followed by augmentation utilizing irradiated cancellous bone allograft. Postoperative radiographic assessment of vertical bone gain was done at 3 and 6 months follow-up period. The mean initial and final bone height were 6...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28291849/vertical-ridge-augmentation-in-the-atrophic-mandible-a-systematic-review-and-meta-analysis
#9
Basel Elnayef, Alberto Monje, Jordi Gargallo-Albiol, Pablo Galindo-Moreno, Hom-Lay Wang, Federico Hernández-Alfaro
PURPOSE: To systematically appraise the effectiveness/reliability of vertical ridge augmentation (VRA) in the atrophic mandible. Articles that addressed any one of the following four areas were included in this study: amount of VRA, implant survival (ISR) and success rates (SSR) in the area of newly regenerated bone, complication rate during the bone augmentation procedure, and bone resorption. MATERIALS AND METHODS: An electronic literature search was conducted by two independent reviewers in several databases, including MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Oral Health Group Trials Register databases for articles reporting VRA in the atrophic mandible via distraction osteogenesis (DO), inlay block grafting (IBG), onlay block grafting (OBG), and guided bone regeneration (GBR)...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291409/association-between-bicortical-screw-fixation-at-upper-instrumented-vertebra-and-risk-for-upper-instrumented-vertebra-fracture
#10
Young-Seop Park, Seung-Jae Hyun, Ho Yong Choi, Ki-Jeong Kim, Tae-Ahn Jahng
OBJECTIVE The aim of this study was to investigate the risk of upper instrumented vertebra (UIV) fractures associated with UIV screw fixation (unicortical vs bicortical) and polymethylmethacrylate (PMMA) augmentation after adult spinal deformity surgery. METHODS A single-center, single-surgeon consecutive series of adult patients who underwent lumbar fusion for ≥ 4 levels (that is, the lower instrumented vertebra at the sacrum or pelvis and the UIV of the thoracolumbar spine [T9-L2]) were retrospectively reviewed...
March 3, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28291398/periodontal-therapy-in-dogs-using-bone-augmentation-products-marketed-for-veterinary-use
#11
Molly Angel
Periodontal disease is extremely common in companion animal practice. Patients presenting for a routine oral examination and prophylaxis may be found to have extensive periodontal disease and attachment loss. Vertical bone loss is a known sequela to periodontal disease and commonly involves the distal root of the mandibular first molar. This case report outlines two dogs presenting for oral examination and prophylaxis with general anesthesia. Both patients did not have any clinical symptoms of periodontal disease other than halitosis...
March 14, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28261519/treatment-concepts-for-the-posterior-maxilla-and-mandible-short-implants-versus-long-implants-in-augmented-bone
#12
REVIEW
Daniel Stefan Thoma, Jae-Kook Cha, Ui-Won Jung
The aim of this narrative review is to describe treatment options for the posterior regions of the mandible and the maxilla, comparing short implants vs. longer implants in an augmented bone. The dental literature was screened for treatment options enabling the placement of dental implants in posterior sites with a reduced vertical bone height in the maxilla and the mandible. Short dental implants have been increasingly used recently, providing a number of advantages including reduced patient morbidity, shorter treatment time, and lower costs...
February 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28256366/bone-morphogenetic-protein-2-loaded-poly-d-l-lactide-co-glycolide-microspheres-enhance-osteogenic-potential-of-gelatin-hydroxyapatite-%C3%AE-tricalcium-phosphate-cryogel-composite-for-alveolar-ridge-augmentation
#13
Hao-Chieh Chang, Connie Yang, Fang Feng, Feng-Huei Lin, Chi-Hwa Wang, Po-Chun Chang
BACKGROUND/PURPOSE: Sufficient bony support is essential to ensure the success of dental implant osseointegration. However, the reconstruction of vertical ridge deficiencies is still a major challenge for dental implants. This study introduced a novel treatment strategy by infusing poly(D,L-lactide-co-glycolide) (PLGA) microspheres encapsulating bone morphogenetic protein-2 (BMP-2) within a gelatin/hydroxyapatite/β-tricalcium phosphate (gelatin/HA/β-TCP) cryogel composite to facilitate supra-alveolar ridge augmentation...
February 27, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28250998/a-novel-procedure-for-the-immediate-reconstruction-of-severely-resorbed-alveolar-sockets-for-advanced-periodontal-disease
#14
Mario Aimetti, Valeria Manavella, Luca Cricenti, Federica Romano
Background. Several clinical techniques and a variety of biomaterials have been introduced over the years in an effort to overcome bone remodeling and resorption after tooth extraction. However, the predictability of these procedures in sockets with severely resorbed buccal/lingual plate due to periodontal disease is still unknown. Case Description. A patient with advanced periodontitis underwent extraction of upper right lateral and central incisors. The central incisor exhibited complete buccal bone plate loss and a 9 mm vertical bone deficiency on its palatal side...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28246596/alveolar-ridge-split-technique-using-piezosurgery-with-specially-designed-tips
#15
Alessandro Moro, Giulio Gasparini, Enrico Foresta, Gianmarco Saponaro, Marco Falchi, Lorenzo Cardarelli, Paolo De Angelis, Mario Forcione, Umberto Garagiola, Giuseppe D'Amato, Sandro Pelo
The treatment of patients with atrophic ridge who need prosthetic rehabilitation is a common problem in oral and maxillofacial surgery. Among the various techniques introduced for the expansion of alveolar ridges with a horizontal bone deficit is the alveolar ridge split technique. The aim of this article is to give a description of some new tips that have been specifically designed for the treatment of atrophic ridges with transversal bone deficit. A two-step piezosurgical split technique is also described, based on specific osteotomies of the vestibular cortex and the use of a mandibular ramus graft as interpositional graft...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28231348/association-between-bone-graft-volume-and-maxillary-sinus-membrane-elevation-height
#16
Tetsuya Sonoda, Takehiro Harada, Nobuyuki Yamamichi, Alberto Monje, Hom-Lay Wang
PURPOSE: Maxillary sinus augmentation via crestal approach has been advocated as an alternative approach for sinus membrane elevation. Presently, no study has examined the relationship between the amount of bone grafting material placed and the final sinus membrane elevation height. Therefore, the present study was aimed at investigating the extent of sinus membrane elevation height depending on the amount of bone grafting material inserted as well as three-dimensionally assessing the likelihood of membrane perforation during membrane elevation...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28215503/biomaterial-shell-bending-with-3d-printed-templates-in-vertical-and-alveolar-ridge-augmentation-a-technical-note
#17
Florian G Draenert, Florian Gebhart, Gergo Mitov, Andreas Neff
OBJECTIVES: Alveolar ridge and vertical augmentations are challenging procedures in dental implantology. Even material blocks with an interconnecting porous system are never completely resorbed. Shell techniques combined with autologous bone chips are therefore the gold standard. Using biopolymers for these techniques is well documented. We applied three-dimensional (3-D) techniques to create an individualized bending model for the adjustment of a plane biopolymer membrane made of polylactide...
January 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28208057/vertical-alveolar-distraction-osteogenesis-of-the-atrophic-posterior-mandible-before-dental-implant-insertion
#18
Adi Rachmiel, Dekel Shilo, Dror Aizenbud, Omri Emodi
PURPOSE: Augmentation of deficient mandibular posterior alveolar ridges poses a great challenge because of extensive bone deficiency and the presence of the inferior alveolar nerve. This study sets its focus on vertical alveolar distraction osteogenesis (ADO) at the posterior mandible before dental implant placement. MATERIALS AND METHODS: The study included 21 sites in 18 patients with severe mandibular posterior alveolar ridge deficiency. A trapezoidal osteotomy was performed, and an extraosseous alveolar distraction device was fixed and activated after a 4-day latency period at a rate of 0...
January 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28186682/repair-of-torn-avascular-meniscal-cartilage-using-undifferentiated-autologous-mesenchymal-stem-cells-from-in-vitro-optimization-to-a-first-in-human-study
#19
Michael R Whitehouse, Nicholas R Howells, Michael C Parry, Eric Austin, Wael Kafienah, Kyla Brady, Allen E Goodship, Jonathan D Eldridge, Ashley W Blom, Anthony P Hollander
Meniscal cartilage tears are common and predispose to osteoarthritis (OA). Most occur in the avascular portion of the meniscus where current repair techniques usually fail. We described previously the use of undifferentiated autologous mesenchymal stem cells (MSCs) seeded onto a collagen scaffold (MSC/collagen-scaffold) to integrate meniscal tissues in vitro. Our objective was to translate this method into a cell therapy for patients with torn meniscus, with the long-term goal of delaying or preventing the onset of OA...
April 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28095515/effects-of-ultraviolet-photofunctionalization-on-bone-augmentation-and-integration-capabilities-of-titanium-mesh-and-implants
#20
Makoto Hirota, Takayuki Ikeda, Masako Tabuchi, Tomomichi Ozawa, Iwai Tohnai, Takahiro Ogawa
PURPOSE: Ultraviolet (UV)-mediated photofunctionalization has earned considerable attention for the enhancement of the biologic capabilities of titanium. The effects of photofunctionalization on bone augmentation and gap closure were examined using titanium implants and mesh in a rat femur model. MATERIALS AND METHODS: An acid-etched titanium implant (4-mm length, 1-mm diameter) was placed in the gluteal tuberosity that resembles a knife-edge-like edentulous ridge...
January 2017: International Journal of Oral & Maxillofacial Implants
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