| PHYSIOANATOMY OF NASOPHARYNGEAL SPACE AND HYPERNASALITY IN CLEFT PALATE |
|
Joon-Hui Cho1, Wha-Young Pyo2, Hong-Shik Choi3, Byung-Jai Choi1, Heung-Kyu Son1, Hyun-Sub Sim2 |
1
2
3 |
| 구개열에서 비인두강의 생리해부학적 구조와 과비음과의 연관성 연구 |
|
조준희1, 표화영2, 최홍식3, 최병재1, 손흥규1, 심현섭2 |
1연세대학교 치과대학 소아치과학교실
2이화여자대학교 특수교육학과 & 언어병리학 협동과정
3연세대학교 치과대학 소아치과학교실 |
Correspondence:
Hyun-Sub Sim,
|
|
|
|
|
| Abstract |
|
Velopharyngeal closure is a sphincter mechanism between the activities of the soft palate, lateral pharyngeal wall and the posterior pharyngeal wall, which divides the oral and nasal cavity. It participates in physiological activities such as swallowing, breathing and speech. It is called a velopharyngeal dysfunction when this mechanism malfunctions. The causes of this dysfunction are defects in (1) length, function, posture of the soft palate, (2) depth and width of the nasopharynx and (3) activity of the posterior and lateral pharyngeal wall. The purposes of this study are to analyze the nasopharynx of cleft palate patients using cephalometry and to evaluate the degree of hypernasality using nasometry to find its relationship with velopharyngeal dysfunction. The following results were obtained : 1. In cephalometry, there were significant differences in soft palate length, soft palate thickness, nasopharyngeal depth, nasopharyngeal area, and adequate ratio between two groups. 2. In nasometry, there were significant differences between two groups in vowel /o/ and sentences including oral consonants. 3. In cleft palate patients, though no general correlation was found between Anatomic VPI and nasalance scores, vowel /i/ and sentences including oral consonants were slightly correlated. In conclusion, cephalometry and nasometer results were significantly different between the two groups. Though in the cleft palate group, Anatomic VPI and nasalance scores, which are indices for velopharyngeal closure, excluding the vowel /i/ and sentences including oral consonants show generally no significance. |
| Key Words:
Velopharyngeal Dysfunction, Cephalometry, Nasometer, Hypernasality, Cleft palate |
|
PDF Links
Download Citation
