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https://www.readbyqxmd.com/read/28337349/a-rational-approach-to-sinus-augmentation-the-low-window-sinus-lift
#1
Terry Zaniol, Alex Zaniol
Sinus augmentation is a well-known approach to treating alveolar bone ridge atrophy in the posterior maxilla. The preparation of the lateral window is crucial. Its size, design, and position in the vestibular sinus wall may affect the intra- and postsurgical complication rates and affect the intrasurgical activity of both surgeons and assistants. The present paper describes a rational technique that also exploits the guided surgery approach for design and preparation of a lateral window for sinus augmentation, the Low Window Sinus Lift...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28327417/appositional-bone-graft-tunneled-technical-note
#2
Roberto Almeida de Azevedo, Felipe Seoane Matos, Leonardo Morais Godoy Figueiredo
INTRODUCTION: A satisfactory positioning of the dental implants is very important in the cosmetic and functional outcome in this treatment for edentulous. Insertion of an endosseous implant in the correct positioning requires sufficient bone volume. Therefore, bone-grafting procedures are becoming increasingly common, especially for the augmentation of horizontally deficient ridges. PRESENTATION OF CASE: Many patients have been treated with this technique of appositional Bone Graft Tunneled at our clinic since 2005...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28326892/clinical-and-histomorphometric-assessment-of-lateral-alveolar-ridge-augmentation-using-a-corticocancellous-freeze-dried-allograft-bone-block
#3
Roya Shariatmadar Ahmadi, Ferena Sayar, Vahid Rakhshan, Babak Iranpour, Jahanfar Jahanbani, Ahmad Toumaj, Nasrin Akhoondi
Horizontal ridge augmentation with allografts has attracted notable attention because of its proper success rate and the lack of disadvantages of autografts. Corticocancellous block allografts have not been adequately studied on humans. Therefore, this study evaluated clinically and histomorphometrically the increase in ridge with after horizontal ridge augmentation using corticocancellous block allografts, and the implant success after 12 to 18 months post-implantation. In 10 implant patients (3 women, 7 men, 45 years old on average), defective maxillary alveolar ridges were horizontally augmented using freeze-dried bone allograft blocks...
March 22, 2017: Journal of Oral Implantology
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
#4
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/28291858/alveolar-ridge-dimension-6-months-after-implant-placement-with-simultaneous-hard-tissue-augmentation
#5
Siegfried Martin Heckmann, Barbara Mörtlbauer, Dominik Rieder, Manfred Wichmann, Tim Krafft, Antonios Moralis
PURPOSE: When failing front teeth are replaced by implants, vestibular bone deficiencies frequently require augmentation, even though the amount of missing alveolar volume may vary. The objective of this study was to analyze the horizontal alveolar ridge dimension after implant placement and simultaneous augmentation, and to compare it to the condition at the contralateral natural site. MATERIALS AND METHODS: Forty-eight patients with a failing maxillary incisor received an immediate or early implant (Straumann Bone Level), according to a randomized study protocol...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291849/vertical-ridge-augmentation-in-the-atrophic-mandible-a-systematic-review-and-meta-analysis
#6
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/28258190/sirt3-deficiency-promotes-lung-fibrosis-by-augmenting-alveolar-epithelial-cell-mitochondrial-dna-damage-and-apoptosis
#7
Renea P Jablonski, Seok-Jo Kim, Paul Cheresh, David B Williams, Luisa Morales-Nebreda, Yuan Cheng, Anjana Yeldandi, Sangeeta Bhorade, Annie Pardo, Moises Selman, Karen Ridge, David Gius, G R Scott Budinger, David W Kamp
Alveolar epithelial cell (AEC) mitochondrial dysfunction and apoptosis are important in idiopathic pulmonary fibrosis and asbestosis. Sirtuin 3 (SIRT3) detoxifies mitochondrial reactive oxygen species, in part, by deacetylating manganese superoxide dismutase (MnSOD) and mitochondrial 8-oxoguanine DNA glycosylase. We reasoned that SIRT3 deficiency occurs in fibrotic lungs and thereby augments AEC mtDNA damage and apoptosis. Human lungs were assessed by using immunohistochemistry for SIRT3 activity via acetylated MnSOD(K68) Murine AEC SIRT3 and cleaved caspase-9 (CC-9) expression were assayed by immunoblotting with or without SIRT3 enforced expression or silencing...
March 3, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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
#8
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/28251794/augmentation-of-severly-resorbed-alveolar-crests-with-bovine-bone-blocks-a-human-histology-pilot-study
#9
Christer Slotte, Ulf Nannmark
BACKGROUND: Allo-/xenogenic bone blocks are used to treat bone defects. Few human histologic studies are found on their integration and capacity to augment new bone. PURPOSE: To study incorporation and stability of collagenated bovine bone blocks (CBB). Short term effects, histology, and morphometry on biopsy specimens are presented. MATERIALS AND METHODS: Nine patients exhibiting extremely narrow alveolar ridges had CBB adapted and fixed to the recipient bone and covered with collagen barriers...
March 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28246596/alveolar-ridge-split-technique-using-piezosurgery-with-specially-designed-tips
#10
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/28230597/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-floor-augmentation-procedures
#11
Marco Portelli, Marco Cicciù, Floriana Lauritano, Gabriele Cervino, Maurizio Manuelli, Enrico Felice Gherlone, Alessandra Lucchese
The aim of this study is to compare the histomorphometric data of deproteinized bovine bone (DBB) and a fully synthetic bone substitute, poly (lactic-co-glycolic) acid/hydroxyapatite (PLGA/HA) applied for sinus floor augmentation technique. Twelve maxillary atrophic ridges of 8 patients requiring major maxillary sinus floor augmentation were studied; the sites were randomly assigned to the study groups and reexamined at 6 months after grafting using cone beam computed tomography scans and biopsy samples harvested during dental implant placement...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28230596/the-efficacy-of-immediate-implant-placement-in-extraction-sockets-for-alveolar-bone-preservation-a-clinical-evaluation-using-three-dimensional-cone-beam-computerized-tomography-and-resonance-frequency-analysis-value
#12
Ali Al Qabbani, Noor Hayati A Razak, Sausan Al Kawas, Suzina Sheikh Abdul Hamid, Saad Wahbi, A R Samsudin
The aim of this study was to determine the efficacy of immediate implant placement with alveolar bone augmentation on socket preservation following atraumatic tooth extraction and comparing it with a tooth alveolar socket that was allowed to heal in a conventional way.Twenty medically fit patients (8 males and 12 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of mandibular premolar teeth were divided randomly and equally into 2 groups. In Group I, the empty extraction socket was left untreated and allowed to heal in a conventional way...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28215503/biomaterial-shell-bending-with-3d-printed-templates-in-vertical-and-alveolar-ridge-augmentation-a-technical-note
#13
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
#14
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/28208056/oral-rehabilitation-of-a-patient-with-ectodermal-dysplasia-treated-with-fresh-frozen-bone-allografts-and-computer-guided-implant-placement-a-clinical-case-report
#15
Carlo Maiorana, Pier Paolo Poli, Carlo Poggio, Paola Barbieri, Mario Beretta
Ectodermal dysplasia (ED) is an inherited disorder characterized by abnormality of ectodermally derived structures. A recurrent oral finding is oligodontia, which in turn leads to a severely hypotrophic alveolar process with typical knife-edge morphology and adverse ridge contours. This unfavorable anatomy can seriously hamper proper implant placement. Fresh-frozen bone (FFB) allografts recently have been proposed to augment the residual bone volume for implant placement purposes; however, scientific evidence concerning the use of FFB to treat ED patients is absent...
January 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28203026/-histomorphometric-evaluation-of-ridge-preservation-after-molar-tooth-extraction
#16
Y L Zhan, W J Hu, T Xu, M Zhen, R F Lu
OBJECTIVE: To evaluate bone formation in human extraction sockets with absorbed surrounding walls augmented with Bio-Oss and Bio-Gide after a 6-month healing period by histologic and histomorphometric analyses. METHODS: Six fresh molar tooth extraction sockets in 6 patients who required periodontally compromised moral tooth extraction were included in this study. The six fresh extraction sockets were grafted with Bio-Oss particle covered with Bio-Gide. The 2.8 mm×6...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202369/histomorhological-and-clinical-evaluation-of-maxillary-alveolar-ridge-reconstruction-after-craniofacial-trauma-by-applying-combination-of-allogeneic-and-autogenous-bone-graft
#17
Francesco Saverio De Ponte, Roberto Falzea, Michele Runci, Enrico Nastro Siniscalchi, Floriana Lauritano, Ennio Bramanti, Gabriele Cervino, Marco Cicciu
A variety of techniques and materials for the rehabilitation and reconstruction of traumatized maxillary ridges prior to dental implants placement have been described in literature. Autogenous bone grafting is considered ideal by many researchers and it still remains the most predictable and documented method. The aim of this report is to underline the effectiveness of using allogeneic bone graft for managing maxillofacial trauma. A case of a 30-year-old male with severely atrophic maxillary ridge as a consequence of complex craniofacial injury is presented here...
February 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28196170/novel-approach-to-managing-malsequenced-and-malpositioned-immediately-placed-implants-in-the-esthetic-zone
#18
Jacob K Stern, Christopher M Bingham, Brock J Pumphrey, Gerard J Chiche, Eduardo Britton
Esthetic implant therapy can be challenging in the anterior maxilla, and meticulous treatment is often required to deliver optimal esthetics. Close collaboration between surgical and prosthetic team members using the novel approach of prosthetic crown lengthening helped camouflage a shallow implant platform location, providing the proper gingival frame for esthetic restorations. This case report presents an interdisciplinary approach that included ridge augmentation, second-stage crown lengthening, and prosthetic soft tissue manipulation to address an implant placed too shallow in the alveolus of an extraction socket...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28196155/subperiosteal-minimally-invasive-aesthetic-ridge-augmentation-technique-smart-a-new-standard-for-bone-reconstruction-of-the-jaws
#19
Ernesto A Lee
Traditional guided bone regeneration techniques include flap mobilization and placement of a bone graft, often with the use of space-maintaining devices and cell-occlusive membranes. This approach is associated with frequent complications that negatively affect the outcome of the augmentation and the peri-implant soft tissue esthetics. Although current tunneling techniques have focused on periodontal soft tissue applications, earlier publications described their use for horizontal augmentation of mandibular posterior edentulous ridges in full-denture patients...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28185397/the-clinical-effectiveness-of-alveolar-ridge-preservation-in-the-maxillary-anterior-esthetic-zone-a-retrospective-study
#20
Albert Ming Hsien Lee, Choy Yoke Poon
PURPOSE: The primary aim was to investigate whether ridge preservation done at extraction will preserve at least 6 mm of alveolar ridge width in the anterior maxillary zone and obviate the need for secondary bone augmentation during implant insertion. METHODS: Sixty patients with single implants placed in the anterior maxillary zone were classified in two groups. In the test group, 40 patients underwent ridge preservation at the time of tooth extraction, while the remaining 20 patients in the control group did not...
February 10, 2017: Journal of Esthetic and Restorative Dentistry
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