Anterior palatal mouthguard margin location and its effect on shock-absorbing capability

Dental Traumatology : Official Publication of International Association for Dental Traumatology
Junko YamadaJiro Miura

Abstract

The purpose of this study was to evaluate the influence of a mouthguard's (MGs) anterior palatal margin location on its shock absorbing capability. A simulation study was conducted on a maxillary phantom model with maxillary teeth, bone, and soft tissue. Miniature strain gauges were attached to the labial and palatal surfaces of the right central incisor as well as the bone surface on the palatal side. MGs were made with ethylene vinyl acetate sheets, with thickness of 2.0, 3.0, and 4.0 mm, using a pressure-forming machine. The locations of the anterior palatal MG margins were set at 4.0, 2.0, and 0 mm from the cervical margin in three experimental configurations. The control situation was without a MG. A calibrated 7N of shock was applied to the middle portions of the labial and palatal surfaces of the central incisor. The amount of tooth deflection was evaluated. The results were analyzed with one-way anova accompanied by the Scheffe's test and multiple regression analysis (P<0.05), designating the strain as the dependent value. The results indicated that the thickness rather than the location of the anterior palatal margin of the MG has a significant influence on the reduction of tooth deflection against a horizontal blow.

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Citations

Mar 2, 2011·Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine·Dieter P GebauerBrian T Dawson
Sep 27, 2006·British Journal of Sports Medicine·Y MaedaT Tsugawa
Jul 4, 2015·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Crisnicaw VerissimoCarlos José Soares
Oct 1, 2009·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Yoshinobu MaedaKazunori Ikebe
Aug 28, 2015·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Crisnicaw VerissimoCarlos José Soares
Oct 23, 2014·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Ichiro KojimaKeiichi Ishigami
Feb 7, 2018·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Tomohiro OtaniMasao Tanaka
Aug 30, 2018·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Carla Zamora-OlaveJordi Martinez-Gomis
Oct 9, 2018·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Raya KaraganevaKeith Winwood
Nov 28, 2018·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Àngel Gómez-GimenoJordi Martinez-Gomis

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