Academic literature on the topic 'Hollow deformity'

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Journal articles on the topic "Hollow deformity"

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Skvortsov, A., P. Andreev, R. Khabibyanov, and M. Maleev. "EXTERNAL FIXATION DEVICE FOR THE TREATMENT OF HOLLOW DEFORMITY OF THE FOOT." Sciences of Europe, no. 165 (May 28, 2025): 36–40. https://doi.org/10.5281/zenodo.15532685.

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The treatment of deformities caused by a violation of the muscular balance and a change in the relative position of the bones of all parts of the foot presents significant difficulties. The hollow foot has excessively high longitudinal arches and is a serious deformation of this segment, which leads to a violation of the supporting, balancing and spring functions. Full-fledged treatment of such deformities became possible only with the advent of the method and apparatus of G.A.Ilizarov. A new arrangement of the Ilizarov apparatus for the treatment of hollow deformity of the foot has been propo
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Vishal, Paul, Gogoi Chiranjeev, Sisodia Siddharth, and Lahori Manesh. "Prosthodontic management in patient with maxillectomy using a hollow bulb obturator - A case report." Journal of Orofacial Rehabilitation 3, no. 3 (2023): 50–54. https://doi.org/10.5281/zenodo.10425858.

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<strong>ABSTRACT</strong> <strong>Introduction:</strong> Maxillectomy abnormalities can lead to oroantral communication, which can affect speech, create facial deformities, and make it difficult to chew and digest food. With the use of obturators, the prosthodontist is crucial in the rehabilitation of these deformities. The primary functions of chewing, phonation, and swallowing are restored by these prostheses. Additionally, they give the patient a good aesthetic appearance. This essay describes a practical instance of creating a reliable hollow bulb obturator. This study set intended to desc
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Sanghasree, Sarkar, Saha Swetjyoti, Kumar Giri Tapan, and Dasgupta Dolanchanpa. "Manufacturing of a maxillary interim hollow bulb obturator using lost salt technique - A case report." Journal of Orofacial Rehabilitation 3, no. 3 (2023): 59–62. https://doi.org/10.5281/zenodo.10425968.

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<strong>ABSTRACT</strong> This case study details a streamlined procedure for manufacturing a temporary hollow bulb obturator for an acquired maxillary deformity. Plaster was used to block out the master cast and irreversible hydrocolloid was used to make the final impression. The defect was then filled with table salt and covered with self-cure resin after acrylisation. A small hole was made, the table salt was cleaned out with water, and self-cure resin was poured into it. The patient's ability to speak and swallow was significantly improved. This method proved to be an easy, quick, and affo
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Rathee, Manu, Maqbul Alam, Anamika Ahlawat, Divakar S, and Sujata Chahal. "Management of Mucormycosis Resultant Hemimaxillectomy Defect from Interim Hollow Obturator to Definitive Two-Piece Magnet Retained Prosthesis - A Case Report." RGUHS Journal of Dental Sciences 14, no. 1 (2022): 56–59. http://dx.doi.org/10.26715/rjds.14_1_12.

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In case of large surgical defects, single-piece hollow bulb obturator prosthesis may increase the height and weight of the prosthesis resulting in loss of retention and difficulty while insertion and removal of the prosthesis. In the present case, patient presented with a large hemimaxillectomy defect with restricted mouth opening. A novel strategy for rehabilitating the patient with a major palatal deformity and restricted mouth opening by fabricating two-piece prosthesis is described in this case report.
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Deng, Zhongping. "Closed Reduction and Internal Fixation with Hollow Needle for High-Risk Aged Trochanter Fracture." Advanced Emergency Medicine 4, no. 3 (2015): 13. http://dx.doi.org/10.18686/aem.v4i3.5.

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&lt;p&gt;&lt;strong&gt;Objective&lt;/strong&gt;&lt;strong&gt;:&lt;/strong&gt; To discuss the therapeutic efficacy of closed reduction and internal fixation with hollow needle for high-risk aged trochanter fracture. &lt;strong&gt;Methods:&lt;/strong&gt; 60 patients with high-risk aged trochanter fracture, who received treatment in our hospital from February 2010 to August 2012, were selected, 40 cases underwent closed reduction and internal fixation with hollow needle, as the treatment group. 20 cases received DHS internal fixation, as the control group. follow-up was made for six months to two
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Varghese, Renjit A., Gleeson Rebello, Hitesh Shah, and Benjamin Joseph. "Biomechanical Basis for Treatment of Pediatric Foot Deformities Part I: Mechanics of the Foot." Journal of the Pediatric Orthopaedic Society of North America 4, no. 2 (2022): 1–9. http://dx.doi.org/10.55275/jposna-2022-0028.

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The foot functions as a flexible structure during major part of the stance phase of the gait cycle but changes into a rigid structure in the terminal part of stance to enable a powerful push-off. This illustrated review describes the mechanics of the foot during inversion and eversion and explains in some detail how the calcaneum moves under a stationary talus in three planes simultaneously around a single oblique axis. The illustrations show how during eversion the calcaneum dorsiflexes, abducts and pronates while it plantarflexes, adducts and supinates during inversion. The talus remains sta
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G Naik, Sadhvi, Kennedy Mascarenhas, and Meena Ajay Aras. "Prosthetic Rehabilitation of a Maxillectomy Patient with Restricted Mouth Opening Using an Altered Cast Technique: A Case Report." International Journal of Science and Healthcare Research 9, no. 2 (2024): 45–52. http://dx.doi.org/10.52403/ijshr.20240207.

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Deformity in the maxillofacial region caused by surgical resection of a tumor have an adverse effect on the patient's ability to swallow, masticate, phonate, and psychological state. These patients may have restricted mouth opening capacity due to several surgical procedures and scar contracture resulting from radiation therapy. Therefore due to restricted access to the oral cavity prosthetic rehabilitation of these patients becomes a challenging task. A precise impression of the resection defect is necessary for accurate obturation. This is not practical for patients who have restricted mouth
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Pan, Cheng-Tang, Che-Hsin Lin, Ya-Kang Huang, et al. "Design of Customize Interbody Fusion Cages of Ti64ELI with Gradient Porosity by Selective Laser Melting Process." Micromachines 12, no. 3 (2021): 307. http://dx.doi.org/10.3390/mi12030307.

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Intervertebral fusion surgery for spinal trauma, degeneration, and deformity correction is a major vertebral reconstruction operation. For most cages, the stiffness of the cage is high enough to cause stress concentration, leading to a stress shielding effect between the vertebral bones and the cages. The stress shielding effect affects the outcome after the reconstruction surgery, easily causing damage and leading to a higher risk of reoperation. A porous structure for the spinal fusion cage can effectively reduce the stiffness to obtain more comparative strength for the surrounding tissue. I
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Abdelbagi, Nada Fathalla, Ibrahim Ahmed Ismail, Fadia Awadalkreem, and Mohammed Nasser Alhajj. "Detachable Lip and Cheek Plumper for Rehabilitation of Facial Disfigurement." Case Reports in Dentistry 2021 (May 13, 2021): 1–6. http://dx.doi.org/10.1155/2021/6668737.

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Background. Hemimaxillectomy of acquired palatal defects may predispose the patient to hypernasal speech, leakage of fluids into the nasal cavity, impaired masticatory function, and swallowing difficulties leading to a detrimental impact on the quality of life. Sequentially, it can also affect individual character and trust in social life, leading to social phobia and anxiety. This article presents prosthodontic management of a young male patient with deformation of the entire right half of the face due to surgical removal of odontogenic myxoma. It describes a method where the clinician utiliz
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Zouaoui, K., S. Boussaid, S. Rekik, et al. "AB0329 THE IMPACT OF WEIGHT ON FOOT INVOLVEMENT DURING RHEUMATOID ARTHRITIS." Annals of the Rheumatic Diseases 82, Suppl 1 (2023): 1347.3–1348. http://dx.doi.org/10.1136/annrheumdis-2023-eular.2094.

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BackgroundOverweight and obesity are highly common in patients with Rheumatoid Arthritis (RA), with probable impact on bearing foot joints.ObjectivesThe aim of the present study was to explore the associations between Body Mass Index (BMI) and measures of foot health (foot pain, foot-related activity limitation, foot synovitis and deformities) in patients with RA.MethodsA cross sectional study was conducted on 50 patients with RA consulting a rheumatology departement with different complains. Domains of foot health studied comprised: foot pain (Numeric Rating Scale), foot-related activity limi
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Book chapters on the topic "Hollow deformity"

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McCann, John D., and Chun Cheng Lin Yang. "Complications of the Anophthalmic Socket." In Surgery of the Eyelid, Lacrimal System, and Orbit. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780195340211.003.0031.

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The anophthalmic socket is subject to four major deformities: enophthalmos, exposure, eyelid malposition, and socket contraction. Enophthalmos occurs when there is a lack of soft tissue volume, creating a sunken or hollow appearance. Exposure occurs when a previously placed orbital implant erodes through the ocular surface. Eyelid malposition occurs largely as a consequence of wearing of a prosthesis. Socket contraction occurs when there is insufficient ocular surface area and fornix depth to accommodate a mobile prosthesis. Understanding these disfigurements and their treatments is the goal o
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Curtis, J. P. "Models for the Pinching of a Confined Hollow Explosive Cylinder Containing Air." In Future Developments in Explosives and Energetics. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781788017855-00232.

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The pinching of a solid cylinder of explosive on an anvil by a hammer has been investigated experimentally in drop tests and with both hydrocode and analytical modelling by many researchers. This paper studies the pinch of a confined hollow explosive cylinder containing air. The explosive is modelled as deforming in two ways: in potential flow and in plastic flow. The trapped gas is modelled as an ideal gas. The equations of continuum mechanics and boundary conditions have been solved analytically to find closed form solutions for the inner radius and the temperature of the gas as functions of
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Curtis, J. P. "Models for the Pinching of a Confined Hollow Explosive Cylinder Containing Air." In Future Developments in Explosives and Energetics. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781839162350-00232.

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The pinching of a solid cylinder of explosive on an anvil by a hammer has been investigated experimentally in drop tests and with both hydrocode and analytical modelling by many researchers. This paper studies the pinch of a confined hollow explosive cylinder containing air. The explosive is modelled as deforming in two ways: in potential flow and in plastic flow. The trapped gas is modelled as an ideal gas. The equations of continuum mechanics and boundary conditions have been solved analytically to find closed form solutions for the inner radius and the temperature of the gas as functions of
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Conference papers on the topic "Hollow deformity"

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Mani, Smitha, Sahjendra N. Singh, Surya Kiran Parimi, and Woosoon Yim. "Adaptive Servoregulation of a Projectile Fin Using Piezoelectric Actuator." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80118.

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This paper treats the question of adaptive control of a projectile fin using a piezoelectric actuator. The hollow projectile fin is rigid, within which a flexible cantilever beam with a piezoelectric active layer is mounted. The model of the fin-beam system includes the aerodynamic moment which is a function of angle of attack of the projectile. The rotation angle of the fin is controlled by deforming the flexible beam which is hinged at the tip of the rigid fin. It is assumed that the system parameters are completely unknown and that only the fin angle and its derivative are measured for synt
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Mudupu, Venkat, Sahjendra Singh, and Woosoon Yim. "Adaptive Control of a Smart Projectile Fin With Unknown High-Frequency Gain by Piezoelectric Actuation." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41216.

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This paper delves into adaptive control of a smart projectile fin with unknown high frequency gain using a piezoelectric bimorph. The hollow projectile smart fin is actuated using a cantilevered piezoelectric bimorph that is completely enclosed within the fin. The model of the smart fin system includes the aerodynamic moment which is a function of the angle of attack of the projectile. The rotation angle of the fin is controlled by deforming the piezoelectric bimorph which is hinged at the tip of the rigid fin. It is assumed that fin parameters as well as the high frequency gain of the model a
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LIU, Jun. "FEM study of process parameters in a novel superplastic forming of titanium alloy Ti-6Al-4V." In Metal Forming 2024. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903254-23.

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Abstract. A novel hybrid forming process involving the use of hot drawing along with superplastic forming (SPF) is studied here. The hot drawing stage helps in enhancing the formability and in fast deforming the sheet metal into a hollow shape with desired amount of material draw-in. During the subsequent SPF stage, gas pressure was applied onto the pre-formed part to complete the forming process at a targeted strain rate. With the hybrid process, titanium alloy Ti-6Al-4V sheets have been successfully formed in lab-scaled conditions at 800°C in 16 min. In this paper, finite element modelling (
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