Anatomical study of the palatine aponeurosis: application to posterior palatal seal of the complete maxillary denture

The palatine aponeurosis is a thin, fibrous lamella comprising the extended tendons of the tensor veli palatini muscles, attached to the posterior border and inferior surface of the palatine bone. In dentistry, the relationship between the “vibrating line” and the border of the hard and soft palate...

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Bibliographic Details
Published in:Surgical and radiologic anatomy (English ed.) 2018-02, Vol.40 (2), p.179-183
Main Authors: Iwanaga, Joe, Kido, Junta, Lipski, Marcin, Tomaszewska, Iwona M., Tomaszewski, Krzysztof A., Walocha, Jerzy A., Oskouian, Rod J., Tubbs, R. Shane
Format: Article
Language:English
Subjects:
Anatomy
Anatomy & physiology
Cadavers
Dentistry
Imaging
Maxilla
Medicine
Medicine & Public Health
Mucosa
Muscles
Original Article
Orthopedics
Palate
Radiology
Shoulder
Spine
Surgery
Tendons
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Summary:The palatine aponeurosis is a thin, fibrous lamella comprising the extended tendons of the tensor veli palatini muscles, attached to the posterior border and inferior surface of the palatine bone. In dentistry, the relationship between the “vibrating line” and the border of the hard and soft palate has long been discussed. However, to our knowledge, there has been no discussion of the relationship between the palatine aponeurosis and the vibrating line(s). Twenty sides from ten fresh frozen White cadaveric heads (seven males and three females) whose mean age at death was 79 years) were used in this study. The thickness of the mucosa including the submucosal tissue was measured. The maximum length of the palatine aponeurosis on each side and the distance from the posterior nasal spine to the posterior border of the palatine aponeurosis in the midline were also measured. The relationship between the marked borderlines and the posterior border of the palatine bone was observed. The thickness of the mucosa and submucosal tissue on the posterior nasal spine and the maximum length of the palatine aponeurosis were 3.4 mm, and 12.2 mm on right side and 12.8 mm on left, respectively. The length of the palatine aponeurosis in the midline was 4.9 mm. In all specimens, the borderline between the compressible and incompressible parts corresponded to the posterior border of the palatine bone.
ISSN:0930-1038
1279-8517
DOI:10.1007/s00276-017-1911-2