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Article

A Procedure for Analyzing Mandible Roto-Translation Induced by Mandibular Advancement Devices

1
Department of Neuroscience, Section of Dentistry, University of Padua, 35100 Padua, Italy
2
Department of Industrial Engineering and Mathematical Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
*
Author to whom correspondence should be addressed.
D.L. and A.G. share the last authorship.
Materials 2020, 13(8), 1826; https://doi.org/10.3390/ma13081826
Submission received: 28 February 2020 / Revised: 7 April 2020 / Accepted: 10 April 2020 / Published: 13 April 2020
(This article belongs to the Special Issue Biomaterials and Technologies in Dentistry)

Abstract

Background: Sleep-Related Breathing Disorders are characterized by repeated episodes of complete or partial obstruction of the upper airway during sleep. Mandibular advancement devices represent a non-invasive treatment in reducing the number of respiratory events and in decreasing symptoms. The advancement extent of these devices is responsible for the mandibular roto-translation and its effects on the temporomandibular joint. Methods: This study defined a systematic method to assess the mandible roto translation that is caused by MADs according to a scan-to-CAD approach. Starting from a closed mouth position and simulating the oral appliance at different settings it was possible to define a local reference system that is useful for the evaluation of the mandibular roto-translation. This latter was then applied to evaluate the movements of the condyle and the mandibular dental arch. Results: MAD1 resulted in a reduced mouth opening and protrusion, while MAD2 enabled a higher degree of motion of the mandible useful for patients who need an important protrusion. Conclusions: The two devices present different dynamics. Results that are achievable employing this method can be directly used by practitioners in comparing MADs, as well as by researchers in evaluating MADs effects.
Keywords: obstructive sleep apnea syndrome; mandibular advancement device; computer-aided design; digital workflow; digital dentistry obstructive sleep apnea syndrome; mandibular advancement device; computer-aided design; digital workflow; digital dentistry

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MDPI and ACS Style

Bruno, G.; De Stefani, A.; Conte, E.; Caragiuli, M.; Mandolini, M.; Landi, D.; Gracco, A. A Procedure for Analyzing Mandible Roto-Translation Induced by Mandibular Advancement Devices. Materials 2020, 13, 1826. https://doi.org/10.3390/ma13081826

AMA Style

Bruno G, De Stefani A, Conte E, Caragiuli M, Mandolini M, Landi D, Gracco A. A Procedure for Analyzing Mandible Roto-Translation Induced by Mandibular Advancement Devices. Materials. 2020; 13(8):1826. https://doi.org/10.3390/ma13081826

Chicago/Turabian Style

Bruno, Giovanni, Alberto De Stefani, Edoardo Conte, Manila Caragiuli, Marco Mandolini, Daniele Landi, and Antonio Gracco. 2020. "A Procedure for Analyzing Mandible Roto-Translation Induced by Mandibular Advancement Devices" Materials 13, no. 8: 1826. https://doi.org/10.3390/ma13081826

APA Style

Bruno, G., De Stefani, A., Conte, E., Caragiuli, M., Mandolini, M., Landi, D., & Gracco, A. (2020). A Procedure for Analyzing Mandible Roto-Translation Induced by Mandibular Advancement Devices. Materials, 13(8), 1826. https://doi.org/10.3390/ma13081826

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