Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

Thickness Changes of the Lower Lip in Mouth Breathing Children and Adolescent

구호흡 양상을 보이는 아동 및 청소년의 하순 두께 변화에 관한 연구

  • Jeong, Young-Ho (Department of orthodontics, Sacred heart hospital, Hallym university) ;
  • Lee, Sang-Min (Department of orthodontics, School of Dentistry, Dankook University) ;
  • Yang, Byun-Ho (Seoul Y Orthodontic clinic) ;
  • Park, In-Young (Department of orthodontics, Sacred heart hospital, Hallym university) ;
  • Lee, Il-Hong (Department of orthodontics, Sacred heart hospital, Hallym university)
  • 정영호 (한림대학교성심병원 치과 교정과) ;
  • 이상민 (단국대학교 치과대학병원 교정과) ;
  • 양병호 (서울 Y교정치과) ;
  • 박인영 (한림대학교성심병원 치과 교정과) ;
  • 이일홍 (한림대학교성심병원 치과 교정과)
  • Received : 2012.01.15
  • Accepted : 2012.03.25
  • Published : 2012.03.30
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Abstract

As attractive lips are important component of appealing faces, the study was conducted to investigate the association of mouth-breathing and thickness of lower lips in mouth-breathers and nasal-breathers. The subjects were 436 adolescent patients aged 8~18 years who took cephalometrics. The results were as follows. The ratio of lower lip thickness to that of upper lip thickness in mouth breathing and nasal breathing groups were $1.13{\pm}0.14$, $1.02{\pm}0.14$, respectively. According to subjects' skeletal pattern, the ratio in Class I sample was $1.05{\pm}0.09$. Class II subjects showed $1.20{\pm}0.12$, and Class III showed $0.97{\pm}0.11$. Mouth - breathers had higher lower/upper lip ratio than nasal breathers meaning their lower lips were thicker. Skeletal Class II patients group showed the most thickest lower lips among Class I, II, III subgroups.

입술은 사람의 인상을 결정하는 중요한 부분중의 하나이다. 본 연구는 두부계측방사선사진을 이용하여 구호흡자와 비호흡자의 입술두께를 비교하여 구호흡과 하순 두께 변화와의 연관성을 알아보았다. 8세~18세인 아동 및 청소년 436명을 대상으로 두부방사선계측사진을 조사하였다. 전체 조사대상자를 구호흡 그룹과 비호흡 그룹으로만 나누어서 평균과 표준편차를 구한 결과 구호흡 그룹의 하순/상순 비율은 $1.13{\pm}0.14$, 비호흡 그룹의 하순/상순 비율은 $1.02{\pm}0.14$로 나타났다. Skeletal class에 따라 구분한 그룹의 각각의 평균과 표준편차를 살펴보면 skeletal class I은 $1.05{\pm}0.09$, skeletal class II는 $1.20{\pm}0.12$, skeletal class III는 $0.97{\pm}0.11$로 나타났다. 호흡양상에 따라 비교하였을 때 비호흡을 하는 그룹보다 구호흡을 하는 그룹에서 하순/상순 비율이 더 큰 값을 나타내어 하순의 두께가 더 두꺼운 양상을 보였다. Skeletal class에 따라서 비교하였을 때는 skeletal class II 그룹에서 하순/상순 비율이 가장 큰 값을 나타내어 하순의 두께가 가장 두꺼운 양상을 보였다.

Keywords

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