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maxillofacial implants

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https://www.readbyqxmd.com/read/27898165/sinus-augmentation-and-simultaneous-implant-placement-success-pilot-study-2008-2011
#1
Melissa Tormos, Jose Morales, Natalia Guevara, Augusto R Elías, Lydia López, Omar García
OBJECTIVE: 1) To describe implant success in the posterior maxillary when a sinus augmentation procedure was performed simultaneously with implant placement and then compare differences in success when sinus augmentation was delayed in patients attending the maxillofacial surgery clinic of the University of Puerto Rico, 2008 through 2011. 2) To determine sociodemographic characteristics, ASA classification, graft material, and final restoration and, using a questionnaire, determine as well patient satisfaction...
December 2016: Puerto Rico Health Sciences Journal
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
#2
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/27843652/implant-retained-obturator-for-an-edentulous-patient-with-a-hemimaxillectomy-defect-complicated-with-microstomia
#3
Pravinkumar G Patil, Smita Nimbalkar-Patil
Patient. A 68-year-old man was operated on for squamous cell carcinoma (T3N3M0) of the maxilla creating the hemimaxillary surgical defect on right side. The remaining arch was completely edentulous. There was remarkable limitation in the oral opening with reduced perimeter of the oral cavity due to radiation and surgical scar contracture. This article describes prosthetic rehabilitation by modifying the design of the obturator and achieving the retention with dental implant. Discussion. Severe limitation in the oral opening may occur in clinical situations following the postsurgical management of oral and maxillofacial defects...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27842482/antibiotic-release-from-calcium-phosphate-materials-in-oral-and-maxillofacial-surgery-molecular-cellular-and-pharmaceutical-aspects
#4
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/27836141/biocompatibility-of-primers-and-an-adhesive-used-for-implant-retained-maxillofacial-prostheses-an-in%C3%A2-vitro-analysis
#5
Liliane da Rocha Bonatto, Marcelo Coelho Goiato, Emily Vivianne Freitas da Silva, Sandra Helena Penha Oliveira, Marcela Filié Haddad, Antônio Hernandes Chaves Neto, Victor Gustavo Balera Brito, Daniela Micheline Dos Santos
STATEMENT OF PROBLEM: Implant-retained maxillofacial prostheses should be biocompatible, regardless of the primers and adhesives used to bond the acrylic resin and facial silicone. The authors are unaware of any study evaluating the influence of these primers and adhesives on the biocompatibility of maxillofacial prostheses. PURPOSE: The purpose of this in vitro study was to evaluate the cytotoxic effect of primers and an adhesive used to bond acrylic resin and facial silicone during the fabrication of implant-retained maxillofacial prostheses...
November 8, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27826386/postoperative-irradiation-after-implant-placement-a-pilot-study-for-prosthetic-reconstruction
#6
Re-Mee Doh, Sungtae Kim, Ki Chang Keum, Jun Won Kim, June-Sung Shim, Han-Sung Jung, Kyeong-Mee Park, Moon-Kyu Chung
PURPOSE: On maxillofacial tumor patients, oral implant placement prior to postoperative radiotherapy can shorten the period of prosthetic reconstruction. There is still lack of research on effects of post-implant radiotherapy such as healing process or loading time, which is important for prosthodontic treatment planning. Therefore, this study evaluated the effects of post-implant local irradiation on the osseointegration of implants during different healing stages. MATERIALS AND METHODS: Custom-made implants were placed bilaterally on maxillary posterior edentulous area 4 weeks after extraction of the maxillary first molars in Forty-eight Sprague-Dawley rats...
October 2016: Journal of Advanced Prosthodontics
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
#7
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/27806758/-biological-evaluation-of-three-dimensional-printed-co-poly-lactic-acid-glycolic-acid-tri-calcium-phosphate-scaffold-for-bone-reconstruction
#8
S Y Li, M Zhou, Y X Lai, Y M Geng, S S Cao, X M Chen
Objective: To biologically evaluate the three-dimensional(3D) printed co-poly lactic acid/glycolic acid/tri-calcium phosphate(PLGA/TCP) scaffold which could be used for repairing oral and maxillofacial bone defects, and to provide experimental evidence for its further research and clinical application. Methods: PLGA/TCP scaffolds were fabricated using low temperature rapid prototyping technique. Micro-CT and scanning electron microscope(SEM) were used to characterize the surface morphology. MC3T3-E1 cells were seeded onto the scaffold and stained with the rhodamine phalloidin and calcein acetomethoxy...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27790591/prosthodontic-rehabilitation-of-accidental-maxillofacial-gunshot-injury-using-dental-implants-a-five-year-follow-up-clinical-report
#9
Vinod Balla, Angleena Y Daniel, Nirmal Kurian
Gunshot injuries to the face can have serious aesthetic, functional, and psychological consequences. The incapacitating nature of maxillofacial defects makes reconstruction of the maxilla and mandible challenging, owing to multiple surgeries and extensive rehabilitation phase. Outcome of prosthodontic treatment is one of the important parameters by which a patient measures the success of rehabilitation. A 5-year follow-up of comprehensive surgical and prosthodontic reconstruction of a gunshot injury using dental implants is described...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27770634/repair-of-bone-defects-in%C3%A2-vivo-using-tissue-engineered-hypertrophic-cartilage-grafts-produced-from-nasal-chondrocytes
#10
Katie Bardsley, Agnieska Kwarciak, Christine Freeman, Ian Brook, Paul Hatton, Aileen Crawford
The regeneration of large bone defects remains clinically challenging. The aim of our study was to use a rat model to use nasal chondrocytes to engineer a hypertrophic cartilage tissue which could be remodelled into bone in vivo by endochondral ossification. Primary adult rat nasal chondrocytes were isolated from the nasal septum, the cell numbers expanded in monolayer culture and the cells cultured in vitro on polyglycolic acid scaffolds in chondrogenic medium for culture periods of 5-10 weeks. Hypertrophic differentiation was assessed by determining the temporal expression of key marker genes and proteins involved in hypertrophic cartilage formation...
October 11, 2016: Biomaterials
https://www.readbyqxmd.com/read/27769304/3d-printing-techniques-in-a-medical-setting-a-systematic-literature-review
#11
Philip Tack, Jan Victor, Paul Gemmel, Lieven Annemans
BACKGROUND: Three-dimensional (3D) printing has numerous applications and has gained much interest in the medical world. The constantly improving quality of 3D-printing applications has contributed to their increased use on patients. This paper summarizes the literature on surgical 3D-printing applications used on patients, with a focus on reported clinical and economic outcomes. METHODS: Three major literature databases were screened for case series (more than three cases described in the same study) and trials of surgical applications of 3D printing in humans...
October 21, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/27759998/presurgical-evaluation-of-bony-implant-sites-using-panoramic-radiography-and-cone-beam-computed-tomography-influence-of-medical-education
#12
Michael Dau, Amir Edalatpour, Ralf Schulze, Bilal Al-Nawas, Abdulmonem Alshihri, Peer W Kämmerer
OBJECTIVES: The aim of this study was to compare the subjective quality rating of panoramic radiography (PAN) and cone beam computed tomography (CBCT) in planning of dental implant procedures by clinicians with different educational background. METHODS: Radiographic images (PAN and CBCT) of 42 patients were examined as follows: 10 maxillary (MX) anterior region, 16 MX posterior region and 16 mandibular (MD) posterior region. These sites were used for planning of dental implant insertion...
October 19, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27752205/the-jugaad-technique-for-jaw-reconstruction-denture-based-inverse-planning
#13
Vinay V Kumar, P C Jacob, Vikram Kekatpure, Naveen Hedne, Felix P Koch, Moni A Kuriakose
AIM: The aim of this clinical paper is to introduce a technique to plan for functional maxillofacial reconstructions. MATERIALS AND METHODS: Preoperative dental casts were made of the patient and mock surgery performed on the casts. A fibula analogue was then placed in an ideal functional reconstruction position. New dentures were fabricated on the fibula analogue and drill holes for the placement of implants were placed through the denture. This denture formed as a guide to position the fibula transplant during surgery...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27752201/neuropathy-of-trigeminal-nerve-branches-after-oral-and-maxillofacial-treatment
#14
Jimoh Olubanwo Agbaje, Elke Van de Casteele, Marjolein Hiel, Ciska Verbaanderd, Ivo Lambrichts, Constantinus Politis
OBJECTIVE: To report the incidence of trigeminal neuropathy seen among new patients in a referral center within a period of 1 year (2013). The cause of damage, method of management and treatment outcome was assessed after 1-year follow-up. MATERIALS AND METHODS: The records of all new patients visiting the oral and maxillofacial unit of the University hospital of Leuven in 2013 were screened for a history of damage to branches of the trigeminal nerve. The selected records were examined and the duration of nerve damage, received treatment as well as the outcome of the neuropathy after treatment was noted after 1-year follow-up...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27740708/trigemino-cervical-neuropathic-pain-relieved-by-serially-repeated-peripheral-nerve-field-stimulation-without-tolerance-case-report
#15
Brian A Simpson, Ravindra Nannapaneni
BACKGROUND: With its relative simplicity and safety, peripheral nerve field stimulation (PNFS; PENS) is contributing to the re-emergence of peripheral nerve stimulation as an effective therapy for neuropathic pain (NPP). CASE PRESENTATION: A 70-year-old woman had developed severe, medically refractory NPP unilaterally in the scalp and face 20 years earlier, following a maxillofacial surgical procedure. PNFS gave substantial relief of the pain and allodynia and was repeated successfully on a further 25 occasions over the subsequent five years...
October 14, 2016: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/27723378/microstructured-%C3%AE-tricalcium-phosphate-putty-versus-autologous-bone-for-repair-of-alveolar-clefts-in-a-goat-model
#16
Nard G Janssen, Adrianus P de Ruiter, Wouter M M T van Hout, Vincent van Miegem, Debby Gawlitta, Florence Barrère-de Groot, Gert J Meijer, Antoine J W P Rosenberg, Ronald Koole
For the first time it was demonstrated that an osteoinductive calcium phosphate-based putty is effective in the restoration of complex maxillofacial defects. In these defects, adequate mechanical confinement by multiple bony walls and osteoconduction from multiple surfaces are usually lacking. This study compares the efficacy of a microstructured beta-tricalcium phosphate (β-TCP) putty with autologous bone for the repair of alveolar cleft defects. A total of 10 Dutch milk goats were operated on in a split-mouth study design in which two-wall bony alveolar clefts were created and successively repaired with autologous bone (the gold standard) at one side and β-TCP putty at the other...
October 10, 2016: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/27706262/the-300-most-cited-articles-in-implant-dentistry
#17
Marco Antonio Alarcón, Diana Esparza, Carmen Montoya, Alberto Monje, Clovis Mariano Faggion
PURPOSE: The purpose of this study was to review and evaluate the characteristics of the 300 most-cited articles that have been published in the most important implant dentistry journals. MATERIALS AND METHODS: A search and selection of the most-cited articles up to October 2014 was conducted for implant journals with the highest impact factors, according to the ISI Web of Science. The 300-most-cited articles were evaluated according to the most commonly studied topics and methodological designs used...
October 5, 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27703616/accidental-displacement-of-a-dental-implant-into-the-sublingual-space-a-case-report
#18
Paolo Cariati, José Fernández-Solís, Ana-Belén Marín-Fernández, Alfredo Valencia-Laseca, Fernando Monsalve-Iglesias
Dental implant surgery is continuously expanding. In fact, every day more and more surgeons are choosing dental implants for allowing great results in the field of oral rehabilitation. However, these procedures are not exempt from complications. This report presents the case of a 66 years old man underwent implant surgery by a specialized dentist. No problems were reported during implant placement. Despite this, three months later, it was displaced into the sublingual space at the time of uncovering. Against this backdrop, the patient was referred to an expert maxillofacial surgeon...
October 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27636765/-paralytic-lagophthalmos-syndrome-in-the-plastic-and-maxillofacial-surgeon-practice
#19
R Sh Gvetadze, A N Fedorovsky, L S Kozlova, Yu Yu Shirokov
Jaw fragment with complete absence of 3 teeth in the chewing area was simulated with masticatory loads corresponding to different types of antagonists: full dentures, partial dentures, intact teeth, implant-refained restavations. Simulated consoled elements of different lengths and sizes of dental implants. The analysis of the stress-deformation state of the teeth construction in the ANSYS program. As a result, it was found that with increasing length of the cantilever element 2 times - stress in the bone grows almost linearly...
2016: Stomatologii︠a︡
https://www.readbyqxmd.com/read/27632266/the-possible-role-of-dental-implants-in-the-etiology-and-prognosis-of-osteomyelitis-a-retrospective-study
#20
Ran Yahalom, Yasmine Ghantous, Avi Peretz, Imad Abu-Elnaaj
PURPOSE: The aim of this study was to describe the clinical outcome of osteomyelitis of the mandible or maxilla following dental implants. A detailed treatment protocol is also proposed. MATERIALS AND METHODS: Electronic data of all the patients who were treated between October 2009 and November 2014, in three maxillofacial surgical departments, were reviewed. Computed databases were searched for the diagnosis of osteomyelitis of the mandible or maxillas (ICD9 code 526...
September 2016: International Journal of Oral & Maxillofacial Implants
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