Academic literature on the topic 'Unilateral Fixed Space Maintainer'

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Journal articles on the topic "Unilateral Fixed Space Maintainer"

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Solaman Simon, Louis, Deepika U., Shilpa Philip, Silpa Tarenia, Manoranjan Mahakur, and Krishnaveni L. "BAND AND PONTIC: A MODIFIED BAND AND LOOP SPACE MAINTAINER - CLINICAL INNOVATION." International Journal of Advanced Research 9, no. 10 (2021): 28–30. http://dx.doi.org/10.21474/ijar01/13513.

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Primary teeth play an important role in preventing malocclusion of permanent dentition.When there is prematureloss of primary teeth, the space shouldbe maintained for preserving the arch integrity and preventing space loss. Space maintainers are the treatment of choice in such conditions. The fixed space maintainers are usually indicated to maintain the space created by unilateral/bilateral premature loss of primary teeth in either of the arches.In this clinical scenario, we have modified the band and loop spacemaintainer with a pontic to make it a functional space maintainer.
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Albati, Mohammed, Riham Showlag, Alaa Akili, et al. "Space maintainers application, indication and complications." International Journal Of Community Medicine And Public Health 5, no. 11 (2018): 4970. http://dx.doi.org/10.18203/2394-6040.ijcmph20184251.

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Dental space maintenance is essential in cases of premature loss of primary dentition to prevent malposition, supra-eruption, impaction, or crowding of the developing permanent teeth. Many types of space maintainers are available and each type is specifically designated for particular indications. Space maintainers have many classifications according to their design, their fixation pattern, their position, and their site. They can be fixed, semi-fixed, or removable, with or without loops, wires, and/or bands, unilateral or bilateral, and are placed on mandibular or maxillary arches. The most commonly used space maintainers are loops and bands, fixed lingual arches, Nance appliances, and transpalatal arches. Though space maintainers are generally safe, several complications are sometimes inevitable. This article will review the different types of space maintainers and their application and will discuss their indications and potential complications.
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Gurunathan, Deepa, Lakshmi Thangavelu, and Ayesha Fathima. "Clinical Effectiveness of Various Unilateral Fixed Space Maintainers vs Band and Loop Space Maintainers in Mixed Dentition: A Systematic Review." World Journal of Dentistry 15, no. 6 (2024): 544–50. http://dx.doi.org/10.5005/jp-journals-10015-2409.

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Tamburrino, Francesco, Andrea Chiocca, Beatrice Aruanno, et al. "A Novel Digitized Method for the Design and Additive Manufacturing of Orthodontic Space Maintainers." Applied Sciences 13, no. 14 (2023): 8320. http://dx.doi.org/10.3390/app13148320.

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Primary dentition is crucial in influencing the emergence of permanent teeth. Premature primary tooth loss can result in undesired tooth motions and space loss in the permanent dentition. Typically, fixed or removable dental appliances are adopted to maintain edentulous space until the eruption of permanent teeth. However, traditional space maintainers have limitations in terms of variability in tooth anatomy, potential allergic reactions in some individuals (i.e., nickel sensitivity), difficulties in maintaining oral hygiene, and patient acceptance. The present study introduces a fully digital framework for the design and manufacturing of customized pediatric unilateral space maintainers using generative algorithms. The proposed approach overcomes the current challenges by using a biocompatible resin material and optimizing the device’s size, design, and color. The methodology involves intraoral scanning, surface selection, and trim, generative 3D modeling, finite element analysis (FEA), and additive manufacturing (AM) through vat photopolymerization. FEA results demonstrate the device’s mechanical performance and reliability, while additive manufacturing ensures design freedom, high resolution, surface finishing, dimensional accuracy, and proper fit. The mechanical interlocking system facilitates easy and effective positioning of the device. This digital approach offers the potential for wider usage of space maintainers and can be further validated through experimental assessments and clinical studies.
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Gumber, Parvind, Aditi Sarawgi, Samir Dutta, and Puneet Goenka. "Simple Fixed Functional Space Maintainer." International Journal of Clinical Pediatric Dentistry 7, no. 3 (2014): 225–28. http://dx.doi.org/10.5005/jp-journals-10005-1272.

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Ghosh, Chiranjit, Diptangshu Garai, PradipKumar Mandal, and Sudipta Kar. "Esthetic anterior fixed functional space maintainer." International Journal of Pedodontic Rehabilitation 2, no. 2 (2017): 90. http://dx.doi.org/10.4103/ijpr.ijpr_16_17.

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Ramesh, R., Savitha Sathyaprasad, Monika Godilli Krishnareddy, Vinisha Vinod, Nikhil Das, and Irfana Ilyas. "Comparative Evaluation of Fixed Functional Cantilever Space Maintainer and Fixed Nonfunctional Space Maintainer: A Randomized Controlled Trial." International Journal of Clinical Pediatric Dentistry 15, no. 6 (2023): 750–60. http://dx.doi.org/10.5005/jp-journals-10005-2478.

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Varghese, Nezy Susan, Ruchika Kundra, and Abi M. Thomas. "Utilitarian fixed space maintainer in an 8-year old with multilateral dentoalveolar abscess- A case report." International Journal of Oral Health Dentistry 9, no. 2 (2023): 127–29. http://dx.doi.org/10.18231/j.ijohd.2023.023.

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Early exfoliation of primary molars is common among pediatric patients. Construction of a space maintainer should be in accordance with the age of the child and developmental status of the dentition. Pediatric dentists should not only address the space loss but also consider the functional, emotional and hygienic challenges the child might face. The subject was 8 years old and presented with multilateral dentoalveolar abscess and difficulty in chewing. Pain of the involved teeth was addressed through multidisciplinary approach followed by construction of utilitarian fixed space maintainer. The conclusion was that the construction of bilateral utilitarian fixed space maintainer not only addressed the preservation of leeway space but also restored the functional efficacy.
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Mosharrafian, Shahram, Ali Baghalian, Mohammad Hassan Hamrah, and Mojgan Kargar. "Clinical Evaluation for Space Maintainer after Unilateral Loss of Primary First Molar in the Early Mixed Dentition Stage." International Journal of Dentistry 2021 (December 27, 2021): 1–6. http://dx.doi.org/10.1155/2021/3967164.

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Background and Objectives: Controversy exists regarding the need for a space maintainer after early unilateral loss of a primary first molar. This study aimed to assess the need for a space maintainer after unilateral loss of a primary first molar in the early mixed dentition period. Materials and Methods. In this cross-sectional study, fifty children between 6 and 8 years who had lost a primary first molar unilaterally later than 6 months ago were randomly selected. Midline deviation, molar and canine relationships at both sides, facial growth pattern, and the amount of space loss were all assessed. Data were analyzed using SPSS version 25 via the one-sample t-test, paired t-test, and linear regression (alpha = 0.05). Results. The mean amount of space loss was 1.36 ± 0.78 mm (1.32 mm in the maxilla and 1.40 mm in the mandible). Time since tooth extraction and facial pattern had significant correlations with space loss P < 0.05 . Conclusion. In this particular age group, it is imperative to precisely assess the related factors such as the facial pattern and time since tooth extraction to decide about the placement of a space maintainer for a prematurely lost primary first molar.
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Gururaj, G., Mohammed Zameer, and Mohammed Mudasser. "Interim fixed space maintainer: A new technique." Annals and Essences of Dentistry 6, no. 1 (2014): 11. http://dx.doi.org/10.5958/0976-156x.2014.00004.5.

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Dissertations / Theses on the topic "Unilateral Fixed Space Maintainer"

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Goldenberg, Lori (Laura-Lee). "A Retrospective Cohort Study of Fixed Space Maintainers and a Survey of their use by Pediatric Dentists and Orthodontists." Thesis, 2012. http://hdl.handle.net/1807/33221.

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Purpose: This study was conducted to evaluate the success of fixed space maintainers (fspms) placed by a sole dental practitioner in a private practice setting. The survey was conducted to evaluate the use of fspms by pediatric dentists and orthodontists. Methods: 899 fspms placed in 531 patients were evaluated. An online survey was sent to 1000 pediatric dentists and 1000 orthodontists. Results: The clinical success rate was 86.6%. The response rate for pediatric dentists surveyed was 43.0% but for orthodontists was only 7.0%. The vast majority of responding pediatric dentists (99.8%) and orthodontists (97.0%) placed fspms. The most common reason cited for failure by the pediatric dentists was cement loss (47.3%) and breakage by the orthodontists (30.4%). Conclusions: Fixed space maintainers had a high clinical success rate (86.6%) and were placed by the vast majority of responding pediatric dentists (99.8%) and orthodontists (97.0%).
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Conference papers on the topic "Unilateral Fixed Space Maintainer"

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Jo, D. Y., and E. J. Haug. "Workspace Analysis of Closed Loop Mechanisms With Unilateral Constraints." In ASME 1989 Design Technical Conferences. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/detc1989-0105.

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Abstract Kinematics of mechanisms that contain elements with unilateral constraints such as stops are characterized by systems of equalities and inequalities. A slack variable formulation is introduced to convert inequality constraints to equalities, in a higher dimensional space of variables. The slack variable formulation permits use of manifold based theoretical and numerical methods for analysis of the boundaries of workspaces. The workspace of a simplified Stewart platform is analyzed, including rotatability of the top platform. Sets of reachable points of the top platform of a three dimensional Stewart platform, with fixed platform orientation, are analyzed.
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Venkatesh, Jayantheeswar, Anders Thorin, and Mathias Legrand. "Nonlinear Modal Analysis of a One-Dimensional Bar Undergoing Unilateral Contact via the Time-Domain Boundary Element Method." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68340.

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Finite elements in space with time-stepping numerical schemes, even though versatile, face theoretical and numerical difficulties when dealing with unilateral contact conditions. In most cases, an impact law has to be introduced to ensure the uniqueness of the solution: total energy is either not preserved or spurious high-frequency oscillations arise. In this work, the Time Domain Boundary Element Method (TD-BEM) is shown to overcome these issues on a one-dimensional system undergoing a unilateral Signorini contact condition. Unilateral contact is implemented by switching between free boundary conditions (open gap) and fixed boundary conditions (closed gap). The solution method does not numerically dissipate energy unlike the Finite Element Method and properly captures wave fronts, allowing for the search of periodic solutions. Indeed, TD-BEM relies on fundamental solutions which are travelling Heaviside functions in the considered one-dimensional setting. The proposed formulation is capable of capturing main, subharmonic as well as internal resonance backbone curves useful to the vibration analyst. For the system of interest, the nonlinear modeshapes are piecewise-linear unseparated functions of space and time, as opposed to the linear modeshapes that are separated half sine waves in space and full sine waves in time.
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Knudsen, J., A. R. Massih, and L. Johansson. "Calculation of Vibro-Impact Dynamics of Loosely Supported Rods." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0063.

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Abstract Vibro-impact dynamics of a loosely-supported rod subject to harmonic and random forces are analyzed. A rod constrained by unilateral contact against springs at contact sites located at different positions is modeled. The beam equations of motion for the rod, with appropriate boundary conditions, are discretized in space by finite element method and in time. The contact forces are computed from the displacements. The model has been used to simulate one span of a rod fixed at one end and loose at the other end. Impact forces, and displacements are calculated as a function of time for different friction coefficients when the rod at one end is subject to sinusoidal or random forces. Lissajous figures and phase plane maps for the system are plotted. Further, the wear rate of the rod is predicted. Some of the predictions are compared with experiments and the results are satisfactory.
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