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Original Research

Open Access

Prevalence of oral malodor and the relationship with habitual mouth breathing in children

  • Takashi Kanehira1
  • Junji Takehara1
  • Dairo Takahashi2
  • Okahito Honda2
  • Manabu Morita2,*,

1Department of Oral Health Science, Hokkaido University Graduate School of Dental Medicine, Sapporo, Japan

2Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine, Sapporo, Japan

DOI: 10.17796/jcpd.28.4.xp213r6534322m58 Vol.28,Issue 4,October 2004 pp.285-288

Published: 01 October 2004

*Corresponding Author(s): Manabu Morita E-mail:


The prevalence of oral malodor and association of habitual mouth breathing with oral malodor were

investigated in children residing in rural areas. One hundred and nineteen children participated in this

study. A sulfide monitor and organoleptic method were used to evaluate oral malodor. About 8% of

children had a sulfide level in mouth air above the socially acceptable limit (75 ppb). Habitual mouth

breathing was a factor contributing to oral malodor. Oral malodor was not significantly correlated

with plaque index, history of caries or frequency of toothbrushing.

Cite and Share

Takashi Kanehira,Junji Takehara,Dairo Takahashi,Okahito Honda,Manabu Morita. Prevalence of oral malodor and the relationship with habitual mouth breathing in children. Journal of Clinical Pediatric Dentistry. 2004. 28(4);285-288.


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