Multidisciplinary approach in the anterior open bite using a McNamara expander with palatal crib during mixed dentition stage: A case report

Wendes Dias Mendes1Orcid, Paôla Caroline da Silva Mira2Orcid, Paula Regina Ávila Silvan3Orcid, Patrícia Maria Monteiro4Orcid, Mirian Aiko Nakane Matsumot5Orcid, Maria Bernadete Sasso Stuani6Orcid

Highlights

Pediatric dentists need to be aware of the multidisciplinary work involved in the treatment of anterior open bite as a result of its multifactorial etiology.
This case report presents an orthodontic treatment option based on the elimination of confounding factors during diagnosis of the malocclusion.
This article seeks to delegate competencies regarding the treatment of anterior open bite since the dentist is not able to fully intervene in some circumstances.

Abstract

Open bite can be defined as an absence of occlusion, most frequently located in the anterior region of dental arches and its etiology is multifactorial. We present a clinical case of an 8 years and 10 months child presenting an anterior open bite (AOB) with transverse maxillary deficiency caused by tongue thrust during mixed dentition. The malocclusion was corrected by means of a McNamara expander with a palatal crib jointly with the association of speech therapy for tongue repositioning, and otolaryngology to treat adenoid hypertrophy due to its correlation with AOB. The multidisciplinary approach was effective in correcting the malocclusion with stable results after 2 years post-treatment.

Keywords: Interceptive Orthodontics; Malocclusion; Open Bite

Author Affiliations

  1. Master’s Degree Student, Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil
  2. PhD Student, Department of Pediatric Clinics, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil ( Correspondence: paola.mira@usp.br )
  3. PhD Student, Department of Pediatric Clinics, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil
  4. Postdoctoral student, Department of Pediatric Clinics, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil
  5. Associate Professor, Department of Pediatric Clinics, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil
  6. Associate Professor, Department of Pediatric Clinics, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Brazil
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Article Info

Contemp Pediatr Dent 2021:2(3):166-175

Received: 22 September 2021

Accepted: 9 November 2021

Online First: 19 November 2021

DOI: 10.51463/cpd.2021.83

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					Wendes Dias Mendes, Paôla Caroline da Silva Mira, Paula Regina Ávila Silvano, Patrícia Maria Monteiro, Mirian Aiko Nakane Matsumoto, Maria Bernadete Sasso Stuani. Multidisciplinary approach in the anterior open bite using a McNamara expander with palatal crib during mixed dentition stage: A case report. Contemp Pediatr Dent 2021:2(3):161-175.

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