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ID 117259
Author
Watanabe, Masahiko Tokushima University
Kawai, Nobuhiko Tokushima University|Kanagawa Dental University KAKEN Search Researchers
Shibata, Manami Tokushima University
Nakaue, Emiko Tokushima University
Keywords
Orthognathic surgery
Jaw deformity
Masticatory function
Masticatory training food
Content Type
Journal Article
Description
Background/purpose: Patients with jaw deformities may show a reduction in masticatory function as a result of postoperative hypofunction. This study aimed to establish a novel rehabilitation program using a commercially available masticatory training food for patients with jaw deformities after orthognathic surgery.
Materials and methods: Nine patients with mandibular prognathism (the training group: n = 5, and the non-training group: n = 4) and 6 control participants with normal occlusion were included in this study. For the rehabilitation program with masticatory exercise, patients were instructed to chew the training food once a day for 60 days starting from 10 days after the surgery. The effects of the rehabilitation program were assessed by determining the maximum bite force (MBF) and the masticatory performance (MP). Clinical assessments were performed just before orthognathic surgery (Pre) and at 10 days (T0), 1 month (T1), 2 months (T2), and 3 months (T3) after surgery.
Results: Compared with the non-training group, the training group showed a trend toward greater recovery amount of MBF from Pre to T3, and a significantly greater recovery amount in MP (p < 0.05) from Pre to T3. When the time-series change of MP was evaluated in both groups from T0 to T3, a significant difference was observed in the interaction terms (p = 0.03). This result indicates that the effectiveness of the training may be demonstrated by following the postoperative course further.
Conclusion: The rehabilitation using this training food may become a useful method for postoperative hypofunction in patients with jaw deformities.
Journal Title
Journal of Dental Sciences
ISSN
19917902
NCID
AA12795373
Publisher
Association for Dental Sciences of the Republic of China|Elsevier
Volume
17
Issue
3
Start Page
1217
End Page
1224
Published Date
2021-12-21
Rights
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
EDB ID
DOI (Published Version)
URL ( Publisher's Version )
FullText File
language
eng
TextVersion
Publisher
departments
Oral Sciences
University Hospital