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Vertical bone augmentation

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https://www.readbyqxmd.com/read/28526551/assessment-of-vertical-ridge-augmentation-in-anterior-aesthetic-zone-using-onlay-xenografts-with-titanium-mesh-versus-the-inlay-bone-grafting-technique-a-randomized-clinical-trial
#1
M Mounir, S Mounir, A A Elfetouh, M A Shaker
The aim of this study was to evaluate the final vertical gain at the deficient anterior maxillary alveolar ridges using onlay bone grafts with titanium mesh versus inlay bone grafting. This was a single institutional randomized comparative clinical trial. The study population included 16 patients, with edentulous anterior maxillary alveolar ridges (40 implant sites) who were presented and treated at the Faculty of Oral and Dental Medicine in Cairo University from September 2013 to August 2015. Selected patients were randomly divided into two equal groups...
May 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28523641/sandwich-bone-graft-for-vertical-augmentation-of-the-posterior-maxillary-region-a-case-report-with-9-year-follow-up
#2
Kenko Tanaka, Irena Sailer, Yoshihiro Kataoka, Shinnosuke Nogami, Tetsu Takahashi
The loss of teeth followed by bone resorption often lead to defects in the alveolar ridge, making installation of dental implants difficult. Correction of such bone defects, especially lack of height of the ridge, is a difficult problem for all dental surgeons. This report describes the outcome of treatment after alveolar ridge augmentation in the atrophic posterior maxillary region via segmental sandwich osteotomy combined with placement of an interpositional autograft prior to placement of endosseous implants...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28520823/comparison-of-tunnel-and-crestal-incision-techniques-in-reconstruction-of-localized-alveolar-defects
#3
Nur Altiparmak, Sina Uckan, Burak Bayram, Sıdıka Soydan
PURPOSE: The aim of this study was to compare the complication rates of recipient sites prepared using two incision techniques: crestal and tunnel. MATERIALS AND METHODS: In this prospective study, patients underwent augmentation procedures (68 patients; 75 sites) by the same surgeon that were performed consecutively using the crestal incision technique (27 horizontal, 10 vertical; crestal group) or the tunnel incision technique (27 horizontal, 11 vertical; tunnel group)...
May 18, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28500959/biomechanical-evaluation-of-implant-supported-prosthesis-with-various-tilting-implant-angles-and-bone-types-in-atrophic-maxilla-a-finite-element-study
#4
Zeynep Gümrükçü, Yavuz Tolga Korkmaz, Fatih Mehmet Korkmaz
BACKGROUND AND OBJECTIVE: The purpose of this study is to evaluate and compare bone stress that occurs as a result of using vertical implants with simultaneous sinus augmentation with bone stress generated from oblique implants without sinus augmentation in atrophic maxilla. METHODS: Six, three-dimensional (3D) finite element (FE) models of atrophic maxilla were generated with SolidWorks software. The maxilla models were varied for two different bone types. Models 2a, 2b and 2c represent maxilla models with D2 bone type...
May 4, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28475091/relative-positional-change-of-a-dental-implant-in-the-esthetic-zone-after-12-years-a-case-report
#5
Maria Aparecida Neves Jardini, Camila Lopes Ferreira, Weber José Ursi, Antonio Braulino de Melo Filho, Mauro Pedrine Santamaria
Although the biological process of osseointegration is similar in adults and adolescents, implant placement is contraindicated in young patients until bone growth is complete. However, even in adults, significant craniofacial changes may occur over an individual's lifetime, as a result of discrete and continuous dental eruption, vertical soft tissue augmentation, or facial bone growth. After such changes, implants may be in infraocclusion. The present case report describes the long-term follow-up of a dental implant located in the esthetic zone...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28459123/segmental-sandwich-osteotomy-and-tunnel-technique-for-three-dimensional-reconstruction-of-the-jaw-atrophy-a-case-report
#6
Mario Santagata, Nicola Sgaramella, Ivo Ferrieri, Giovanni Corvo, Gianpaolo Tartaro, Salvatore D'Amato
BACKGROUND: A three-dimensionally favourable mandibular bone crest is desirable to be able to successfully implant placement to meet the aesthetic and functional criteria in the implant-prosthetic rehabilitation. Several surgical procedures have been advocated for bone augmentation of the atrophic mandible, and the sandwich osteotomy is one of these techniques. The aim of the present case report was to assess the suitability of segmental mandibular sandwich osteotomy combined with a tunnel technique of soft tissue...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28455469/management-of-massive-acetabular-bone-defects-in-revision-arthroplasty-of-the-hip-using-a-reconstruction-cage-and-porous-metal-augment
#7
T J Mäkinen, M Abolghasemian, E Watts, S G Fichman, P Kuzyk, O A Safir, A E Gross
AIMS: It may not be possible to undertake revision total hip arthroplasty (THA) in the presence of massive loss of acetabular bone stock using standard cementless hemispherical acetabular components and metal augments, as satisfactory stability cannot always be achieved. We aimed to study the outcome using a reconstruction cage and a porous metal augment in these patients. PATIENTS AND METHODS: A total of 22 acetabular revisions in 19 patients were performed using a combination of a reconstruction cage and porous metal augments...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28416835/-polymethylmethacrylate-augmentation-of-bone-cement-injectable-cannulated-pedicle-screws-was-used-to-treat-degenerative-lumbar-scoliosis-with-osteoporosis
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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...
May 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28291398/periodontal-therapy-in-dogs-using-bone-augmentation-products-marketed-for-veterinary-use
#18
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
#19
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
#20
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
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