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Int J Pediatr Otorhinolaryngol. 2014 Jul;78(7):1167-72. doi: 10.1016/j.ijporl.2014.04.046. Epub 2014 May 6.

Comparison of cephalometric patterns in mouth breathing and nose breathing children.

Author information

1
Oral Health Sciences, School of Dentistry, European University of Madrid, Madrid, Spain. Electronic address: isabelchungleng@hotmail.com.
2
Oral Health Sciences, School of Dentistry, European University of Madrid, Madrid, Spain.

Abstract

OBJECTIVE:

The aim of this study was to compare cephalometric values between nasal and oral breathing children and to measure the upper and lower airway space in both groups.

METHODS:

The study was conducted on 118 pediatric patients, 51 girls and 67 boys, from the Dental Clinic of the Universidad Europea de Madrid. The age ranges of the sample were 6-12 years old. 53 of them were mouth breathers and 65 nose breathers. Lateral cephalometric radiographs were obtained for all of the subjects. The radiographs were analyzed and a cephalometric tracing was performed on each one.

RESULTS:

The mouth breathing children showed a more retruded mandible (SNB), and a greater inclination of the mandibular plane (NS-Go Gn) and occlusal plane (NS-O Pl.), than the nose breathing children (P<0.05). The mouth breathing group also had a higher frequency of having the hyoid bone in a more elevated position and the nasopharyngeal air space significantly smaller than the nasal breathing group (P<0.001).

CONCLUSION:

Mouth breathing children seem to have an increase in anterior lower facial height, the hyoid bone in a more elevated position and higher tendency towards having a class II malocclusion compared to nose breathing children.

KEYWORDS:

Airway; Cephalometry; Dentofacial growth; Mouth breathing children

PMID:
24833165
DOI:
10.1016/j.ijporl.2014.04.046
[Indexed for MEDLINE]

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