Relationship between the lingual-palatal contact duration associated with swallowing and maxillofacial morphology with the use of electropalatography

To investigate the relationship between movement of the tongue during swallowing and malocclusion, the relationship between the lingual-palatal contact duration associated with swallowing and maxillofacial morphology was examined by electropalatography, cephalometric radiography, and dental casts. S...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 1999-08, Vol.116 (2), p.146-151
Main Authors: Ichida, Toshimichi, Takiguchi, Reiko, Yamada, Kenjiro
Format: Article
Language:English
Subjects:
Adolescent
Adult
Cephalometry - statistics & numerical data
Deglutition - physiology
Dental Models
Dentistry
Electrophysiology
Face - anatomy & histology
Face - diagnostic imaging
Female
Humans
Jaw - anatomy & histology
Jaw - diagnostic imaging
Male
Malocclusion - physiopathology
Movement - physiology
Palate - physiology
Radiography
Reference Values
Regression Analysis
Time Factors
Tongue - physiology
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Summary:To investigate the relationship between movement of the tongue during swallowing and malocclusion, the relationship between the lingual-palatal contact duration associated with swallowing and maxillofacial morphology was examined by electropalatography, cephalometric radiography, and dental casts. Seventy-one subjects (35 men and 36 women, 18 to 38 years of age) with normal occlusion or various types of malocclusion were used. Simple correlation analysis showed correlations between the time required for swallowing and the angles—FH-U1, L6-MP, FH-MP and Go—measured by lateral cephalometric radiography. In multiple regression analysis, five angles—FH-U1, L6-MP, FH-Occ, FH-SGna and NF-MP—measured by lateral cephalometric radiography were chosen as the independent variables, and significant regression equations and multiple correlation coefficient were obtained. It was concluded that the lingual-palatal contact duration associated with swallowing observed by electropalatography differs among persons; this is closely related to the maxillofacial morphology and significantly correlated with the measurement items representing the rotation of the lower jaw and inclination of upper incisors. (Am J Orthod Dentofacial Orthop 1999;116:146-51)
ISSN:0889-5406
1097-6752
DOI:10.1016/S0889-5406(99)70211-8