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Computer Methods in Biomechanics and Biomedical Engineering Volume 25, 2022 - Issue 10
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ARTICLE

Finite element and clinical analyses of effects of a new intraoral device (VomPress) combined with extraoral RAMPA on improving the overjet of craniofacial complex

Yasushi Mitania Codomo Clinic, Tokyo, Japan
,
Mohammad Moshfeghib Department of Mechanical Engineering, Sogang University, Seoul, Korea
,
Noriyuki Kumamotoc Fujii Orthodontic Office, Nara, Japan
&
Bumkyoo Choib Department of Mechanical Engineering, Sogang University, Seoul, KoreaCorrespondence[email protected]
Pages 1099-1110 | Received 12 Jun 2021, Accepted 31 Oct 2021, Published online: 13 Nov 2021
 
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Abstract

This research intends to investigate the effects of a new intraoral device, VomPress, combined with a Right Angle Maxillary Protraction Appliance (RAMPA) extraoral device on the treatment of maxillary hypoplasia. To this end, finite element (FE) method has been employed and a skull model, including all sutures, has been investigated. In addition, the effects of VomPress combined with RAMPA on a seven-year-old girl with the malocclusion and other side problems were monitored. The results of both FE simulations and the clinical data revealed that VomPress combined with RAMPA effectively improved the malocclusion and straight neck problem by creating more space in the patient’s mouth and anterosuperior protraction effects.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Funding

The author(s) reported there is no funding associated with the work featured in this article.

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