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Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients

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 orth...

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Autores principales: Watanabe, Masahiko, Kawai, Nobuhiko, Shibata, Manami, Nakaue, Emiko, Horiuchi, Shinya, Tanaka, Eiji
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Association for Dental Sciences of the Republic of China 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9236895/
https://www.ncbi.nlm.nih.gov/pubmed/35784158
http://dx.doi.org/10.1016/j.jds.2021.12.007
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author Watanabe, Masahiko
Kawai, Nobuhiko
Shibata, Manami
Nakaue, Emiko
Horiuchi, Shinya
Tanaka, Eiji
author_facet Watanabe, Masahiko
Kawai, Nobuhiko
Shibata, Manami
Nakaue, Emiko
Horiuchi, Shinya
Tanaka, Eiji
author_sort Watanabe, Masahiko
collection PubMed
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.
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spelling pubmed-92368952022-07-01 Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients Watanabe, Masahiko Kawai, Nobuhiko Shibata, Manami Nakaue, Emiko Horiuchi, Shinya Tanaka, Eiji J Dent Sci Original Article 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. Association for Dental Sciences of the Republic of China 2022-07 2021-12-21 /pmc/articles/PMC9236895/ /pubmed/35784158 http://dx.doi.org/10.1016/j.jds.2021.12.007 Text en © 2021 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Original Article
Watanabe, Masahiko
Kawai, Nobuhiko
Shibata, Manami
Nakaue, Emiko
Horiuchi, Shinya
Tanaka, Eiji
Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title_full Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title_fullStr Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title_full_unstemmed Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title_short Establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
title_sort establishment of a new rehabilitation program using masticatory training food for jaw deformity patients
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9236895/
https://www.ncbi.nlm.nih.gov/pubmed/35784158
http://dx.doi.org/10.1016/j.jds.2021.12.007
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