Academic literature on the topic 'Mandibular defect'

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Journal articles on the topic "Mandibular defect"

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Kropotov, М. А., V. A. Sobolevsky, Yu Yu Dikov, L. P. Yakovleva, A. V. Khodos, and P. A. Gavrishchuk. "Mandibular reconstruction of the chin area in patients with tumors of the maxillofacial region and oral mucosa." Malignant tumours 9, no. 2 (2019): 35–44. http://dx.doi.org/10.18027/2224-5057-2019-9-2-35-44.

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Background. Locally advanced squamous cell carcinoma of the oral cavity invades the mandible in 13–38 % of cases. Even a small segmental resection of the mandible, for instance, in the chin area, causes significant functional and cosmetic impairment and requires immediate reconstruction of the bone defect. Currently available methods of defect closure require a comparative assessment.Materials and methods. This article is based on the outcome data from patients with mandibular tumors treated from 1998 through 2018. We identified 471 cases of mandibular surgery including marginal resection and
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Sharma, Mohit, Abhijeet Wakure, Krishnakumar Thankappan, et al. "Anatomic basis for an algorithmic approach for free fibula flap donor side selection in composite oro-mandibular defects." Indian Journal of Plastic Surgery 48, no. 01 (2015): 043–47. http://dx.doi.org/10.4103/0970-0358.155268.

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ABSTRACT Introduction: Head and neck oncological resections may result in composite oro-mandibular defects involving the oral mucosa (lining), mandibular bone and the skin (cover). Reconstructive options for such defects have evolved over a period. Free fibula flap reconstruction is currently accepted the world over as the gold standard for oro-mandibular defect reconstruction. Existing literature provides conflicting views about the use of a particular side and orientation of the fibula flap for achieving the optimal outcome. The purpose of this study is to confirm anatomically the effect of
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Tatara, Alexander M., Gerry L. Koons, Emma Watson, et al. "Biomaterials-aided mandibular reconstruction using in vivo bioreactors." Proceedings of the National Academy of Sciences 116, no. 14 (2019): 6954–63. http://dx.doi.org/10.1073/pnas.1819246116.

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Large mandibular defects are clinically challenging to reconstruct due to the complex anatomy of the jaw and the limited availability of appropriate tissue for repair. We envision leveraging current advances in fabrication and biomaterials to create implantable devices that generate bone within the patients themselves suitable for their own specific anatomical pathology. The in vivo bioreactor strategy facilitates the generation of large autologous vascularized bony tissue of customized geometry without the addition of exogenous growth factors or cells. To translate this technology, we investi
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Hillerup, Soren, JensJorgen Elberg, JensJorgen Thorn, and Mikael Andersen. "Reconstruction of Irradiated Mandible after Segmental Resection of Osteoradionecrosis—A Technique Employing a Microvascular Latissimus Dorsi Flap and Subsequent Particulate Iliac Bone Grafting." Craniomaxillofacial Trauma & Reconstruction 7, no. 3 (2014): 190–96. http://dx.doi.org/10.1055/s-0034-1371003.

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The fibula osteocutaneous flap has revolutionized the options of mandibular segmental defect bridging in osteoradionecrosis (ORN). In selected cases, however, the fibula flap is not an option because of atherosclerosis or other features that compromise the vascularity of the lower leg and foot. The aim of this study is to present an alternative method of mandibular segmental reconstruction employing a latissimus dorsi (LD) flap and subsequent particulate iliac free bone graft reconstruction. In 15 patients with ORN, a mandibular segmental defect was bridged with a reconstruction plate, and the
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Münevveroğlu, A. P., and K. C. Aydın. "Stafne Bone Defect: Report of Two Cases." Case Reports in Dentistry 2012 (2012): 1–5. http://dx.doi.org/10.1155/2012/654839.

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Stafne bone defects are asymptomatic lingual bone depressions of the lower jaw. In 1942, Stafne described for the first time 35 asymptomatic, radiolucent cavities, unilaterally located in the posterior region of the mandible, between the mandibular angle and the third molar, below the inferior dental canal and slightly above the basis mandibulae. In this study, the clinical and radiological characteristics of 2 cases of Stafne bone defects were described. Orthopantomograph and CBCT were used for diagnosing the defects. The bone defects of two patients in this study were asymptomatic and any ot
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Gabor, Alin, Tiberiu Hosszu, Cristian Zaharia, et al. "3D Printing of a Mandibular Bone Deffect." Materiale Plastice 54, no. 1 (2017): 29–31. http://dx.doi.org/10.37358/mp.17.1.4778.

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The aim of this study was to achieve a polymeric scaffold, ex-vivo, using 3D printing technology and then subjecting it to various tests to check its optimal property. Initially there was selected a lower jaw with a bone defect that would have prevented any treatment based prosthetic implant. The mandible was first scanned using an optical scanner (MAESTRO DENTAL SCANNER MDS400). The scanning parameters using optical scanning system are: 10 micron accuracy, resolution 0.07 mm, 2 rooms with High-Resolution LED structured light, two axes. The scan time of the mandible was 4-5 min. Later the same
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Tojiyev, Feruz Ibodullaevich, and Aziz Mukhammadovich Azimov. "Effective Restoration Of Mandibular Defects With Custom-Made Titanium Implants." American Journal of Medical Sciences and Pharmaceutical Research 03, no. 07 (2021): 66–71. http://dx.doi.org/10.37547/tajmspr/volume03issue07-04.

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Medical rehabilitation of patients with defects, deformities of the jaws is an urgent problem in reconstructive maxillofacial surgery. Such defects cause significant dysfunctions of the organs of the maxillofacial region, disfigurement of the soft tissues of the lower face zone. A complex problem of maxillofacial surgery is the development of methods for surgical restoration of the integrity of organs and their function. Currently, various surgical methods and materials are used to restore the defect in the jaw bone tissue [12].
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Yu, Lingjia, Yuanhao Wu, Jieying Liu, et al. "3D Culture of Bone Marrow-Derived Mesenchymal Stem Cells (BMSCs) Could Improve Bone Regeneration in 3D-Printed Porous Ti6Al4V Scaffolds." Stem Cells International 2018 (September 5, 2018): 1–13. http://dx.doi.org/10.1155/2018/2074021.

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Mandibular bone defect reconstruction is an urgent challenge due to the requirements for daily eating and facial aesthetics. Three-dimensional- (3D-) printed titanium (Ti) scaffolds could provide patient-specific implants for bone defects. Appropriate load-bearing properties are also required during bone reconstruction, which makes them potential candidates for mandibular bone defect reconstruction implants. However, in clinical practice, the insufficient osteogenesis of the scaffolds needs to be further improved. In this study, we first encapsulated bone marrow-derived mesenchymal stem cells
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Olate, Sergio, Marcelo Parra, Alejandro Unibazo, Francisca Uribe, and Nicolás Restovic. "Osteogenic Distraction in Complex Mandibular Defect." International Journal of Medical and Surgical Sciences 3, no. 3 (2018): 971–75. http://dx.doi.org/10.32457/ijmss.2016.032.

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Distraction osteogenesis (DO) is a surgical technique used in the treatment of facial deformities and malformations and also in the treatment of alveolar bone deficiencies. The aim of this paper is to show the case of a patient with partial edentulism in the symphysis area with a severe vertical and horizontal bone deficiency caused by mandibular trauma. At the initial analysis, the patient related a recent history of fracture in symphysis and right angle of the mandible. Treatment had not been entirely succesfull, therefore, after studying the options, we opted for a treatment at different st
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Hayden, Richard E., David P. Mullin, and Andrew K. Patel. "Reconstruction of the segmental mandibular defect." Current Opinion in Otolaryngology & Head and Neck Surgery 20, no. 4 (2012): 231–36. http://dx.doi.org/10.1097/moo.0b013e328355d0f3.

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Dissertations / Theses on the topic "Mandibular defect"

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Lemón, Linn. "Topology optimization process for new designs of reconstruction plates used for bridging large mandibular defects." Thesis, Linköpings universitet, Institutionen för medicinsk teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-131096.

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Loss of bone in the mandible as a result from for example resection of bone tumors or trauma, can in more complex cases be reconstructed using a reconstruction plate to provide stability between the remaining mandible stumps. Different studies on reconstruction plates present a fracture rate of 2.8-9.8 %. The rate of plate fracture and plate loosening increases the need to improve the design of the reconstruction plate. A useful tool to find new designs for structures is topology optimization. Topology optimization is a mathematical based method where it is possible to define an optimization p
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Aguiar, Leonardo Toledo de. "Avaliação do efeito do metotrexato na reparação tecidual em um defeito ósseo simulando fratura de mandíbula em ratos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/5/5160/tde-24032009-163741/.

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Objetivo: O presente estudo teve como objetivo verificar os efeitos do tratamento com altas e baixas doses de metotrexato (MTX) na reparação de fraturas mandibulares, num modelo experimental com ratos. Métodos: O modelo experimental empregado consiste na criação de um defeito ósseo na mandíbula do rato, semelhante a uma fratura. Oitenta ratos foram distribuídos em 4 grupos de 20 animais que receberam, por via intraperitoneal: soro fisiológico (controle) (1 ml, após a cirurgia); dexametasona (DX) (0,15 mg / kg, dose única após a cirurgia); alta dose MTX (1,6 mg / kg, semanalmente); baixa dose M
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Shayesteh, Moghaddam Narges. "Toward Patient Specific Long Lasting Metallic Implants for Mandibular Segmental Defects." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1438616258.

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Al-Fotawi, Randa. "The use of an induced muscle flap to reconstruct mandibular defects." Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/5862/.

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The treatment of challenging large osseous defects presents a formidable problem for orthopaedic and maxillofacial surgeons. Autogenous bone grafting is the present method of choice to replace the lost tissue, but supplies of autologous bone are limited and harvesting of the graft is associated with donor site morbidity. Artificial biomaterials hold much promise, but do not, by themselves, supply the osteoprogenitor cells needed for bone formation. Moreover, there are often issues with resorption of the scaffold used in the biomaterial, as well as limited vascularity. This study investigates t
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Reitemeier, Bernd, Michael Unger, Gert Richter, Barbara Ender, Ursula Range, and Jutta Markwardt. "Clinical Test of Masticatory Efficacy in Patients with Maxillary/Mandibular Defects Due to Tumors." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-134891.

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Background: The goal of the study was to evaluate the masticatory efficacy in patients who had been provided with resection prostheses after tumor removal in the maxillary/ mandibular region. These patients complained of impairment of masticatory function. Patients and Methods: 3 groups of patients were compared under clinical-experimental conditions. A uniform chewing material was masticated by the participants under standardized conditions. A sieving procedure was used to evaluate the masticatory efficacy. Analysis of the particle sizes and particle masses obtained was performed with the aid
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Abu-Serriah, Mu'ammar. "Reconstruction of osteoperiosteal discontinuity critical size mandibular defects using recent advances in bone bioengineering." Thesis, University of Glasgow, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425313.

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Reitemeier, Bernd, Michael Unger, Gert Richter, Barbara Ender, Ursula Range, and Jutta Markwardt. "Clinical Test of Masticatory Efficacy in Patients with Maxillary/Mandibular Defects Due to Tumors." Karger, 2012. https://tud.qucosa.de/id/qucosa%3A27602.

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Background: The goal of the study was to evaluate the masticatory efficacy in patients who had been provided with resection prostheses after tumor removal in the maxillary/ mandibular region. These patients complained of impairment of masticatory function. Patients and Methods: 3 groups of patients were compared under clinical-experimental conditions. A uniform chewing material was masticated by the participants under standardized conditions. A sieving procedure was used to evaluate the masticatory efficacy. Analysis of the particle sizes and particle masses obtained was performed with the aid
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Patel, Alpesh. "Sensitivity and Accuracy of Cone Beam Computed Tomography in Diagnosing Osseous Defects at the Mandibular Condyle." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1363606389.

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Müller, Rainer, Andreas Höhlein, Annette Wolf, et al. "Evaluation of Selected Speech Parameters after Prosthesis Supply in Patients with Maxillary or Mandibular Defects." Karger, 2013. https://tud.qucosa.de/id/qucosa%3A71635.

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Background: Ablative surgery of oropharyngeal tumors frequently leads to defects in the speech organs, resulting in impairment of speech up to the point of unintelligibility. The aim of the present study was the assessment of selected parameters of speech with and without resection prostheses. Patients and Methods: The speech sounds of 22 patients suffering from maxillary and mandibular defects were recorded using a digital audio tape (DAT) recorder with and without resection prostheses. Evaluation of the resonance and the production of the sounds /s/, /sch/, and /ch/ was performed by 2 experi
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Jorge, Rogerio da Silva. "Enxerto autogeno de osso iliaco em defeito de tamanho critico na mandibula de rato." [s.n.], 1999. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289322.

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Orientador: João Gualberto de Cerqueira Luz<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-07-25T02:23:48Z (GMT). No. of bitstreams: 1 Jorge_RogeriodaSilva_M.pdf: 6492918 bytes, checksum: 936a52dbed0525bd03dec5fc34ed1a15 (MD5) Previous issue date: 1999<br>Resumo: Esta pesquisa teve por objetivo a avaliação da reparação de enxerto ósseo do ilíaco em defeito de tamanho crítico na mandíbula de rato, histologicamente e por densitometria óptica de radiografias. Os animais deste estudo foram 25 ratos Wistar
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Book chapters on the topic "Mandibular defect"

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Hanna, Issa, Huy Tran, Jonathan Swope, and Michael Peleg. "Tissue Engineering Techniques for the Reconstruction of the Atrophic and Local Maxillary Defect." In Regenerative Strategies for Maxillary and Mandibular Reconstruction. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93668-0_8.

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Khatib, Baber, Ashish Patel, Eric J. Dierks, R. Bryan Bell, Melissa Amundson, and Allen Cheng. "Reconstruction of Maxillary Defects." In Regenerative Strategies for Maxillary and Mandibular Reconstruction. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93668-0_14.

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Yu, Jianjun, Jun Li, and Xiao Zhou. "Repair and Reconstruct of Mandibular Defects." In Plastic and Reconstructive Surgery. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3400-8_9.

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Schusterman, Mark A., and Elizabeth K. Beahm†. "Reconstruction of Defects of the Mandibular Angle." In Craniomaxillofacial Reconstructive and Corrective Bone Surgery. Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-1529-3_28.

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Cordeiro, Peter G. "Classification System for Mandibulectomy Defects." In Atlas of Mandibular and Maxillary Reconstruction with the Fibula Flap. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10684-3_1.

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Cordeiro, Peter G. "Classification System for Maxillectomy Defects." In Atlas of Mandibular and Maxillary Reconstruction with the Fibula Flap. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10684-3_2.

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Melville, James C., Huy Q. Tran, Dhafer Alsuwied, Srinivasa R. Chandra, and Jonathan W. Shum. "Tissue Engineering for Transoral Reconstruction of Large Mandibular Continuity Defects." In Regenerative Strategies for Maxillary and Mandibular Reconstruction. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93668-0_11.

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Rachmiel, Adi, and Dekel Shilo. "Management of Maxillary and Mandibular Post-Traumatic Alveolar Bone Defects with Distraction Osteogenesis Technique." In Vertical Alveolar Ridge Augmentation in Implant dentistry : A Surgical Manual. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119082835.ch22.

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Jensen, Simon Storgord, Michael M. Bornstein, Michel Dard, Dieter Bosshardt, and Daniel Buser. "Comparative Study of Biphasic Calcium Phosphates with Different HA/TCP Ratios in Mandibular Bone Defects. Long-Term Histomorphometric Study in Minipigs." In Bioceramics 20. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-457-x.1241.

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"Mandibular Salivary Gland Defect (Stafne)." In Diagnostic Imaging: Oral and Maxillofacial. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-323-47782-6.50100-9.

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Conference papers on the topic "Mandibular defect"

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You, Jia, Zesong Tan, Xianfeng Jiang, Haiping Wu, and Wei Peng. "Study on dental implant layouts of mandibular dental defect." In 2011 International Conference on Human Health and Biomedical Engineering (HHBE). IEEE, 2011. http://dx.doi.org/10.1109/hhbe.2011.6029009.

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Nidyasari, Ferdina, Wignyo Hadriyanto, and Margareta Rinastiti. "Bicuspidization of a Mandibular First Molar With Furcation Defect: A Case Report." In 1st Aceh International Dental Meeting (AIDEM 2019), Oral Health International Conference On Art, Nature And Material Science Development 2019. Atlantis Press, 2021. http://dx.doi.org/10.2991/ahsr.k.210201.007.

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Moghaddam, Narges Shayesteh, Mohammad Elahinia, Michael Miller, and David Dean. "Enhancement of Bone Implants by Substituting Nitinol for Titanium (Ti-6Al-4V): A Modeling Comparison." In ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/smasis2014-7648.

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Mandibular segmental defect reconstruction is most often necessitated by tumor resection, trauma, infection, or osteoradionecrosis. The standard of care treatment for mandibular segmental defect repair involves using metallic plates to immobilize fibula grafts, which replace the resected portion of mandible. Surgical grade 5 titanium (Ti-6Al-4V) is commonly used to fabricate the fixture plate due to its low density, high strength, and high biocompatibility. One of the potential problems with mandibular reconstruction is stress shielding caused by a stiffness mismatch between the Titanium fixat
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Wu, Wenzheng, Xingjun Qin, Yadong Chen, Wanshan Wang, and David W. Rosen. "Employing Rapid Prototyping biomedical model to assist the surgical planning of defect mandibular reconstruction." In 2010 3rd International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2010. http://dx.doi.org/10.1109/bmei.2010.5639569.

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Amerinatanzi, Amirhesam, Narges Shayesteh Moghaddam, Ahmadreza Jahadakbar, David Dean, and Mohammad Elahinia. "On the Effect of Screw Preload on the Stress Distribution of Mandibles During Segmental Defect Treatment Using an Additively Manufactured Hardware." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8840.

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The most common method for mandibular reconstructive surgery is the use of a Ti-6Al-4V fixation device and a fibular double barrel graft. This highly stiff fixation hardware (E = 112 GPa) often shields the bone graft (E = 20 GPa) from carrying the load, which may result in bone resorption. Highly stiff Ti-6Al-4V fixation hardware is also likely to concentrate stress in the fixation plate or at screw threads, possibly leading to hardware cracking or screw pull-out. As a solution for that, we have proposed and studied the effect of using a low stiffness, porous NiTi fixation device [1–4]. Althou
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Marinescu, Adrian George, Marius Boariu, Darian Rusu, Stefan-Ioan Stratul, and Alexandru Ogodescu. "Reliability of CBCT as an assessment tool for mandibular molars furcation defects." In Fifth International Conference on Lasers in Medicine, edited by Carmen Todea, Adrian G. Podoleanu, and Virgil-Florin Duma. SPIE, 2014. http://dx.doi.org/10.1117/12.2045782.

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Baker, Maribel I., Jack E. Lemons, and Alan W. Eberhardt. "Bone Properties Surrounding Hydroxyapatite-Coated Custom Osseous Integrated Dental Implants." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19020.

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Dental implants are widely used for replacement of teeth and correction of defects in maxillary and mandibular bone. Their effectiveness is largely dependent upon biostability and osteointegration between the bone and implant. One of the major causes of dental implant failure is aseptic loosening or resorption of bone at the interface [2]. In order to diminish such failures, coatings and surface roughening are used to enhance osteointegration and biostability between the bone and the implant [3].
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