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bone graft in oral

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https://www.readbyqxmd.com/read/27882311/retrospective-clinical-study-of-an-implant-with-a-sandblasted-large-grit-acid-etched-surface-and-internal-connection-analysis-of-short-term-success-rate-and-marginal-bone-loss
#1
Jae-Wang Lee, Jun Hyeong An, Sang-Hoon Park, Jong-Hyon Chong, Gwang-Seok Kim, JeongJoon Han, Seunggon Jung, Min-Suk Kook, Hee-Kyun Oh, Sun-Youl Ryu, Hong-Ju Park
BACKGROUND: The purpose of this retrospective study was to evaluate the clinical utility of an implant with a sandblasted, large-grit, acid-etched (SLA) surface and internal connection. METHODS: Six patients who received dental implants in the Department of Oral and Maxillofacial Surgery, Chonnam National University Dental Hospital, were analyzed by factors influencing the success rate and marginal bone loss. Factors included patient's age, sex, implant installation site, whether bone graft was done, type of bone graft materials, approaching method if sinus lift was done, and the size of the fixture...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27880030/osseointegrated-implants-into-a-variety-of-composite-free-flaps-a-comparative-analysis
#2
Michael Burgess, Matthew Leung, Anthony Chellapah, Jonathan R Clark, Martin D Batstone
BACKGROUND: Significant oral function is often lost after surgical therapy for head and neck cancer. The use of osseointegrated implants for reconstruction in patients with head and neck surgery has shown to significantly improve the quality of life for these patients. Variable success rates range from 99% to 70%. METHODS: A retrospective audit of patient records was performed looking at cumulative survival of implants. Inclusion criteria were patients who were treated at 1 of 2 designated Australian Head and Neck Units and received oral osseointegrated implants...
November 23, 2016: Head & Neck
https://www.readbyqxmd.com/read/27876576/the-bone-regenerative-capacity-of-canine-mesenchymal-stem-cells-is-regulated-by-site-specific-multilineage-differentiation
#3
Juan Bugueño, Weihua Li, Pinky Salat, Ling Qin, Sunday O Akintoye
OBJECTIVES: Mesenchymal stem cells (MSCs) offer a promising therapy in dentistry because of their multipotent properties. Selecting donor MSCs is crucial because Beagle dogs (canines) commonly used in preclinical studies have shown variable outcomes, and it is unclear whether canine MSCs (cMSCs) are skeletal site specific. This study tested whether jaw and long bone cMSCs have disparate in vitro and in vivo multilineage differentiation capabilities. STUDY DESIGN: Primary cMSCs were isolated from the mandible (M-cMSCs) and femur (F-cMSCs) of four healthy Beagle dogs...
September 28, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27871294/newly-designed-retentive-posts-of-mandibular-reconstruction-plate-in-oral-cancer-patients-based-on-preliminary-fem-study
#4
Ik Jae Kwon, Mi Young Eo, Sung Jae Park, Soung Min Kim, Jong Ho Lee
BACKGROUND: The reconstruction of a large mandibular defect poses a challenging issue in oral cancer ablation surgery. One popular option for mandibular continuity reconstruction after tumor resection involves the use of a reconstruction plate (R-plate), which maintains space and contour without bone harvesting. An R-plate, however, cannot provide final functional loading rehabilitation with implants or dentures. METHODS: We suggest a new method of functional mandibular reconstruction using retentive posts and an upper prosthesis...
November 21, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27867669/simplifying-the-treatment-of-bone-atrophy-in-the-posterior-regions-combination-of-zygomatic-and-wide-short-implants-a-case-report-with-2-years-of-follow-up
#5
Fernanda Faot, Geninho Thomé, Amália Machado Bielemann, Caio Hermann, Ana Cláudia Moreira Melo, Luis Eduardo Marques Padovan, Ivete Aparecida de Mattias Sartori
The rehabilitation of maxillary and mandibular bone atrophy represents one of the main challenges of modern oral implantology because it requires a variety of procedures, which not only differ technically, but also differ in their results. In the face of limitations such as deficiencies in the height and thickness of the alveolar structure, prosthetic rehabilitation has sought to avoid large bone reconstruction through bone grafting; this clinical behavior has become a treatment system based on evidence from clinical scientific research...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27860210/limitation-of-the-antibiotic-eluting-bone-graft-substitute-an-example-of-gentamycin-impregnated-calcium-sulfate
#6
Chang-Chin Wu, Yang-Kai Huang, Wei-Jen Chang, Yun-Ching Wu, Chen-Chie Wang, Kai-Chiang Yang
Patients with inadequate volume of alveolar processes or bone defects commonly require graft substitutes in oral, maxillofacial or orthopedic surgery. Ridge augmentation and reconstruction of facial bony defects with bone graft materials achieve better outcomes in functional and aesthetic rehabilitation. The injectable calcium sulfate filler is used widely in intra-operative applications. Calcium sulfate bone filler has been shown to upregulate bone formation-related mRNA genes in vitro and improve osseointegration in vivo...
November 18, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27848009/the-effects-of-p-gp-and-cyp450-modulated-by-rifampicin-on-the-steroid-induced-osteonecrosis-of-the-femoral-head
#7
Teng Fei, Yunchao Shao, Zuoqin Yan, Liang Zhu, Shuo Li, Jianfeng Pan, Changan Guo
This study investigated the effects of rifampicin-modulated P-glycoprotein (P-gp) and cytochrome P450 (CYP450) activity on the development of steroid-induced osteonecrosis of the femoral head. Thirty-two rabbits were equally divided into four groups: control group, oral administration group, intramuscular injection group, and local release group, in which rifampicin-loaded artificial bone graft was implanted in the left femur cavity and blank bone graft was implanted in the right femur cavity. Dexamethasone was given 1 week after rifampicin administration...
November 15, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27842482/antibiotic-release-from-calcium-phosphate-materials-in-oral-and-maxillofacial-surgery-molecular-cellular-and-pharmaceutical-aspects
#8
Angel Manchon, Juan Carlos Prados-Frutos, Carmen Rueda Rodriguez, Carmen Salinas Goodier, Mohammad Hadman Alkhraisat, Rosa Rojo, Arantza Rodriguez Gonzalez, Ana Berlanga, Enrique Lopez Cabarcos
Calcium phosphate materials (CPM) are widely used in dentistry and maxillofacial surgery. The presence of microbial biofilms and external infections are responsible for the failure of many procedures of dental implants and bone grafts. In an attempt to reduce the percentage of these infectious processes antibiotics have been associated with CPM improving certain conditions. For instance antibiotics administered orally or intravenously have less effect and the blood flow in relation to this is poor near implants and grafts...
November 14, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27833693/e-cigarette-blast-injury-complex-facial-fractures-and-pneumocephalus
#9
Benjamin A Archambeau, Stephanie Young, Carol Lee, Troy Pennington, Christopher Vanderbeek, Dan Miulli, John Culhane, Michael Neeki
Electronic cigarettes (also known as e-cigarettes or e-cigs) are becoming a popular method of recreational nicotine use over recent years. The growth of new brands and devices has been outpacing the FDA's ability to regulate them. As a result, some of these devices fail without warning, most likely from malfunction of the lithium-ion batteries that are in close proximity to volatile compounds within the device. Failures have occurred during both use and storage of the devices or their components. The subsequent injuries from several of these events, including full thickness burns requiring grafting and blast injuries, have been observed at Arrowhead Regional Medical Center, a regional trauma and burn center in southern California...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27833350/staged-ridge-split-procedure-in-the-management-of-horizontal-ridge-deficiency-utilizing-piezosurgery
#10
A B Tarun Kumar, M G Triveni, V Priyadharshini, D S Mehta
AIM AND OBJECTIVES: Edentulism is an incapacitating and irretrievable condition which can lead unswervingly to functional limitation, physical, psychological and social handicap. Maintenance of bone after tooth loss to improve retention, function, and performance of the restoration is a challenging task. The existence of a thin edentulous ridge signifies a clinical situation that is more complex for the placement of endosseous implants. Dental rehabilitation of the edentulous ridges with oral implants has become a routine treatment modality in the last few decades with consistent long term results...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27833334/mandibular-reconstruction-overview
#11
REVIEW
Batchu Pavan Kumar, V Venkatesh, K A Jeevan Kumar, B Yashwanth Yadav, S Ram Mohan
INTRODUCTION: Mandibular reconstruction has changed significantly over the years and continues to evolve with the introduction of newer technologies and techniques. PURPOSE: This article reviews the history of oromandibular reconstruction, biomechanics of mandible, summarizes the reconstruction options available for mandible with defect classification, goals in reconstruction, the various donor sites, current reconstructive options, dental rehabilitation and persistent associated problems...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27810548/immediate-transoral-allogeneic-bone-grafting-for-large-mandibular-defects-less-morbidity-more-bone-a-paradigm-in-benign-tumor-mandibular-reconstruction
#12
James C Melville, Nader N Nassari, Issa A Hanna, Jonathan W Shum, Mark E Wong, Simon Young
PURPOSE: Reconstruction of hard tissue continuity defects caused by ablative tumor surgery has been traditionally reconstructed with autogenous bone grafts or microvascular free flaps. Although results have been predictable from these 2 methods of reconstruction, the morbidity associated with bone harvest is quite serious for the patient. Predictable results have been obtained with using a combination of 100% cadaver bone, bone marrow aspirate concentrate (BMAC), and recombinant human bone morphogenic protein in immediate reconstruction for benign tumor extirpations through the extraoral approach...
October 6, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27770969/a-current-overview-of-materials-and-strategies-for-potential-use-in-maxillofacial-tissue-regeneration
#13
Hossein E Jazayeri, Mohammadreza Tahriri, Mehdi Razavi, Kimia Khoshroo, Farahnaz Fahimipour, Erfan Dashtimoghadam, Luis Almeida, Lobat Tayebi
Tissue regeneration is rapidly evolving to treat anomalies in the entire human body. The production of biodegradable, customizable scaffolds to achieve this clinical aim is dependent on the interdisciplinary collaboration among clinicians, bioengineers and materials scientists. While bone grafts and varying reconstructive procedures have been traditionally used for maxillofacial defects, the goal of this review is to provide insight on all materials involved in the progressing utilization of the tissue engineering approach to yield successful treatment outcomes for both hard and soft tissues...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27749380/iliac-crest-fresh-frozen-allografts-versus-autografts-in-oral-pre-prosthetic-bone-reconstructive-surgery-histologic-and-histomorphometric-study
#14
Claudia Dellavia, Michele Giammattei, Daniela Carmagnola, Federica Musto, Elena Canciani, Matteo Chiapasco
PURPOSE: The aim of this work was to compare histologically bone biopsies obtained during dental implant placement in atrophic jaws reconstructed with fresh-frozen bone (FFB) or autologous bone blocks. MATERIALS AND METHODS: Twenty partially or totally edentulous patients were treated either with iliac crest FFB grafts (14 patients; group A) or with iliac crest autografts (6 patients; group B). Seven to 9 months later, dental implants were placed in the reconstructed jaws and bone biopsies were harvested...
December 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27722226/effectiveness-of-subperiosteal-bone-anchor-onplant-placement-in-the-anterior-highly-atrophic-maxilla-for-cross-arch-prosthetic-rehabilitation-results-from-a-pilot-study
#15
Simone Heuberer, Christian Ulm, Konstantin Zauza, Werner Zechner, Georg Watzek, Gabriella Dvorak
PURPOSE: The present prospective pilot study aimed to evaluate the feasibility of Onplants (Onplant Orthodontic System) off label use in the highly atrophic edentulous maxillae of adult patients to avoid bone grafting and conventional dental or zygomatic implants. MATERIAL AND METHODS: Two Onplants were placed subperiosteally in the anterior part of the hard palate in five adult patients presenting a highly atrophic edentulous maxilla, class V or VI, according to Cawood and Howell...
2016: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/27677684/surgical-treatment-oral-rehabilitation-and-orthognathic-surgery-after-failure-of-pharmacologic-treatment-of-central-giant-cell-lesion-a-case-report
#16
Renato Luiz Maia Nogueira, Rafael Lima Verde Osterne, Roberta Barroso Cavalcante, Ricardo Teixeira Abreu
Although pharmacologic treatments for central giant cell lesions have gained much emphasis, these treatment modalities do not always have successful outcomes, and surgical treatment may be necessary. The purpose of the present study was to report a case of aggressive central giant cell lesion initially treated by nonsurgical methods without satisfactory results, necessitating segmental mandibular resection for definitive treatment and oral rehabilitation. A 20-year-old woman was diagnosed with an aggressive central giant cell lesion in the mandible...
December 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27638921/periodontal-tissue-regeneration-using-syngeneic-adipose-derived-stromal-cells-in-a-mouse-model
#17
Mathieu Lemaitre, Paul Monsarrat, Vincent Blasco-Baque, Pascale Loubières, Rémy Burcelin, Louis Casteilla, Valérie Planat-Bénard, Philippe Kémoun
: : Current treatment of periodontitis is still associated with a high degree of variability in clinical outcomes. Recent advances in regenerative medicine by mesenchymal cells, including adipose stromal cells (ASC) have paved the way to improved periodontal regeneration (PD) but little is known about the biological processes involved. Here, we aimed to use syngeneic ASCs for periodontal regeneration in a new, relevant, bacteria-induced periodontitis model in mice. Periodontal defects were induced in female C57BL6/J mice by oral gavage with periodontal pathogens...
September 16, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27637478/trends-in-techniques-to-avoid-bone-augmentation-surgery-application-of-short-implants-narrow-diameter-implants-and-guided-surgery
#18
Bernhard Pommer, Dieter Busenlechner, Rudolf Fürhauser, Georg Watzek, Georg Mailath-Pokorny, Robert Haas
INTRODUCTION: Minimally invasive implantology using reduced implant dimensions as well as virtual treatment planning and CAD/CAM stereolithographic templates has gained popularity in recent years. The aim of the present investigation was to analyze prevailing trends in clinical utilization of these graftless therapeutic options. MATERIAL AND METHODS: A total of 12.865 dental implants were placed in 5.365 patients at the Academy for Oral Implantology in Vienna, of which 5...
August 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27622113/indications-of-free-grafts-in-mandibular-reconstruction-after-removing-benign-tumors-treatment-algorithm
#19
Rodrigo Fariña, Juan Pablo Alister, Francisca Uribe, Sergio Olate, Alvaro Arriagada
BACKGROUND: Mandibular reconstruction has been the subject of much debate and research in the fields of maxillofacial surgery and head and neck surgery. MATERIALS AND METHODS: A retrospective observational study was undertaken with 14 patients diagnosed with benign tumorous pathologies and who underwent immediate mandibular resection and reconstruction at the Hospital del Salvador Maxillofacial Surgery Unit and Dr. Rodrigo Fariña's private clinic between the years 2002 and 2012...
August 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27612519/stem-cell-based-tissue-engineered-laryngeal-replacement
#20
Tahera Ansari, Peggy Lange, Aaron Southgate, Karin Greco, Carla Carvalho, Leanne Partington, Anthony Bullock, Sheila MacNeil, Mark W Lowdell, Paul D Sibbons, Martin A Birchall
: : Patients with laryngeal disorders may have severe morbidity relating to swallowing, vocalization, and respiratory function, for which conventional therapies are suboptimal. A tissue-engineered approach would aim to restore the vocal folds and maintain respiratory function while limiting the extent of scarring in the regenerated tissue. Under Good Laboratory Practice conditions, we decellularized porcine larynges, using detergents and enzymes under negative pressure to produce an acellular scaffold comprising cartilage, muscle, and mucosa...
September 9, 2016: Stem Cells Translational Medicine
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