• Increasing tongue pressure wit...

Treffer: Increasing tongue pressure with CAD/CAM palatal augmentation plate for tongue cancer patients with glossectomy.

Title:
Increasing tongue pressure with CAD/CAM palatal augmentation plate for tongue cancer patients with glossectomy.
Authors:
Huang YF; Department of General Dentistry, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan. yifang0324@gmail.com.; Graduate Institute of Dental and Craniofacial Science, College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan. yifang0324@gmail.com.; School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan. yifang0324@gmail.com.; College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan. yifang0324@gmail.com.; Department of General Dentistry, Chang Gung Memorial Hospital, No.5, Fuxing St., Guishan Township, Taoyuan County, 33305, Taiwan. yifang0324@gmail.com., Lin CH; College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan.; Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan.; Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan., Liao YF; College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan.; Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taipei, 10507, Taiwan.; Craniofacial Center, Chang Gung Memorial Hospital, Taoyuan, 33378, Taiwan.; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan., Chang WH; Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Keelung, 20405, Taiwan.; School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, 33302, Taiwan.
Source:
Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer [Support Care Cancer] 2026 Jan 06; Vol. 34 (1), pp. 70. Date of Electronic Publication: 2026 Jan 06.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Springer International Country of Publication: Germany NLM ID: 9302957 Publication Model: Electronic Cited Medium: Internet ISSN: 1433-7339 (Electronic) Linking ISSN: 09414355 NLM ISO Abbreviation: Support Care Cancer Subsets: MEDLINE
Imprint Name(s):
Original Publication: Berlin : Springer International, c1993-
MeSH Terms:
Tongue Neoplasms*/surgery , Tongue Neoplasms*/rehabilitation , Tongue* , Glossectomy*/rehabilitation , Glossectomy*/methods , Computer-Aided Design*, Humans ; Male ; Female ; Middle Aged ; Prospective Studies ; Pressure ; Adult ; Aged ; Prosthesis Design ; Palate/surgery ; Printing, Three-Dimensional
References:
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Contributed Indexing:
Keywords: CAD/CAM; Glossectomy; Palatal augmentation prostheses (PAPs); Tongue cancer; Tongue pressure
Entry Date(s):
Date Created: 20260106 Date Completed: 20260106 Latest Revision: 20260121
Update Code:
20260121
DOI:
10.1007/s00520-025-10304-3
PMID:
41493595
Database:
MEDLINE

Weitere Informationen

Purpose: This prospective study evaluated the impact of computer-aided design/manufacturing (CAD/CAM) palatal augmentation prostheses (PAPs) rehabilitation on maximum tongue pressure in tongue cancer patients underwent glossectomy.
Methods: Twelve patients (7 men, 5 women; mean age 53.2 years) with T1N0M0 or T2N0M0 tongue cancer that had undergone a type IIIa glossectomy without radiotherapy or chemotherapy were enrolled. All the participants had intact palates for good retention of PAP. Six weeks postoperatively, maxillary arches were scanned with an intraoral scanner; PAPs were digitally designed to lower the palatal vault utilizing CAD and then were fabricated from biocompatible PMMA via 3D printing and delivered. Patients wore the PAP daily and performed tongue-PAP contact exercises for at least four hours per day over six months. Maximum tongue pressure was measured using the Iowa Oral Performance Instrument before PAP delivery and after six months of rehabilitation. Statistical analysis was conducted using ANOVA with p < 0.05 considered significant.
Results: Mean maximum tongue pressure increased from 16.93 ± 13.16 kPa pre-rehabilitation to 26.93 ± 15.60 kPa post-rehabilitation (median: 11.9 to 21.9 kPa). ANOVA showed a significant improvement (F = 5.31, p = 0.0038).
Conclusion: CAD/CAM PAP rehabilitation significantly improved the maximum tongue pressure in glossectomy patients, suggesting potential benefits for oral-phase swallowing efficiency. Early postoperative delivery through a digital workflow minimized tongue-palate distance, enabling prompt exercises, and accelerating functional recovery. This approach represents an innovative rehabilitation strategy. Integration of pressure sensors into PAPs could enable real-time monitoring of tongue activity, expanding their role as dynamic training devices.
(© 2026. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Declarations. Competing interests: The authors declare no competing interests.