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Original Research

Open Access

Skeletal and occlusal characteristics in mouth-breathing pre-school children

  • Sara Elisa M. Mattar1
  • Wilma T. Anselmo-Lima2
  • Fabiana C. P.Valera2
  • Mirian A. N. Matsumoto3,*,

1Department of Pediatric Dentistry, School of Dentistry, University of Uberaba, Brazil

2Department of Otorhinolaryngology, School of Medicine of Ribeirao Preto, University of Sao Paulo, Brazil

3Department of Pediatric Dentistry, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Brazil

DOI: 10.17796/jcpd.28.4.hg0k800564031787 Vol.28,Issue 4,October 2004 pp.315-318

Published: 01 October 2004

*Corresponding Author(s): Mirian A. N. Matsumoto E-mail:


This study verified the influence of chronic mouth breathing on dentofacial growth and developmental in

pre-school children.The study evaluated 73 children, both sexes, ranging from 3 to 6 years of age.After the

otorhinolaryngological breathing diagnosis, 44 mouth-breathing children and 29 nasal-breathing children

were compared according to facial and occlusal characteristics. The skeletal pattern measurements

SN.GoGn,BaN.PtGn,PP.PM,Ar-Go, S-Go indicated a tendency to mouth-breathing children presenting

a dolicofacial pattern. According to occlusal characteristics, only the intermolar distance showed a significant

correlation with a narrow maxillary arch in mouth-breathing subjects. Based on the results of this

study, mouth-breathing can influence craniofacial and occlusal development early in childhood.

Cite and Share

Sara Elisa M. Mattar,Wilma T. Anselmo-Lima,Fabiana C. P.Valera,Mirian A. N. Matsumoto. Skeletal and occlusal characteristics in mouth-breathing pre-school children. Journal of Clinical Pediatric Dentistry. 2004. 28(4);315-318.


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