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On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
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Kinematics of mandibular advancement devices (MADs) Why do some MADs move the lower jaw backward during mouth opening?
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Juan A. Cabrera; Alex Bataller; Sergio Postigo; Marcos Garca. Kinematics of mandibular advancement devices (MADs) Why do some MADs move the lower jaw backward during mouth opening?[J]. Journal of Zhejiang University Science D, 2024, 7(5): 637-650.
@article{title="Kinematics of mandibular advancement devices (MADs)
Why do some MADs move the lower jaw backward
during mouth opening?",
author="Juan A. Cabrera; Alex Bataller; Sergio Postigo; Marcos Garca",
journal="Journal of Zhejiang University Science D",
volume="7",
number="5",
pages="637-650",
year="2024",
publisher="Zhejiang University Press & Springer",
doi="10.1007/s42242-024-00288-0"
}
%0 Journal Article
%T Kinematics of mandibular advancement devices (MADs)
Why do some MADs move the lower jaw backward
during mouth opening?
%A Juan A. Cabrera
%A Alex Bataller
%A Sergio Postigo
%A Marcos Garca
%J Journal of Zhejiang University SCIENCE D
%V 7
%N 5
%P 637-650
%@ 1869-1951
%D 2024
%I Zhejiang University Press & Springer
%DOI 10.1007/s42242-024-00288-0
TY - JOUR
T1 - Kinematics of mandibular advancement devices (MADs)
Why do some MADs move the lower jaw backward
during mouth opening?
A1 - Juan A. Cabrera
A1 - Alex Bataller
A1 - Sergio Postigo
A1 - Marcos Garca
J0 - Journal of Zhejiang University Science D
VL - 7
IS - 5
SP - 637
EP - 650
%@ 1869-1951
Y1 - 2024
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1007/s42242-024-00288-0
Abstract: mandibular advancement devices (MADs) are widely used treatments for obstructive
sleep apnea. MADs function by advancing the lower jaw to open the upper airway. To
increase patient comfort, most patients allow the mouth to be opened. However, not all
systems maintain the lower jaw in a forward position during mouth opening, which
results in the production of a retrusion that favors the collapse of the upper airway.
Furthermore, the kinematic behavior of the mechanism formed by the mandible-device
assembly depends on jaw morphology. This means that, during mouth opening, some
devices cause lower jaw protrusion in some patients, but cause its retraction in others. In
this study, we report the behavior of well-known devices currently on the market. To do
so, we developed a kinematic model of the lower jaw device assembly. This model was
validated for all devices analyzed using a high-resolution camera system. Our results
show that some of the devices analyzed here did not produce the correct behavior during
patient mouth opening.
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