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Hozawa M, Nakamura Y, Sotome T, Nakajima T, Hanasaki M, Sasakawa Y, Tsukuno S, Yonemoto Y, Hayasaki H. Evaluation of oral function using a composite sensor during maximum lip closure and swallowing in normal children and adults. J Oral Rehabil 2024; 51:1349-1356. [PMID: 38641860 DOI: 10.1111/joor.13705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 10/18/2023] [Accepted: 04/11/2024] [Indexed: 04/21/2024]
Abstract
BACKGROUND There is growing interest in the development of objective methods for assessing lip-closing function in children. OBJECTIVE To obtain normative data for healthy children in the developmental stages of lip closure function, we quantitatively evaluated oral movements associated with lip closure in children and adults using a composite sensor (CS). METHODS Twenty-five normal children (11 boys, 14 girls) aged 8.8 ± 1.6 years and 25 young adults (13 men, 12 women) aged 27.4 ± 3.9 years were asked to perform test movements, maximal lip closure and swallowing of 3 mL of water. Lip-closing pressure (LP), intraoral baro-pressure (IP) and electromyographic (EMG) activity of the upper orbicularis oris muscle were simultaneously recorded using the CS. RESULTS EMG activity of the upper orbicularis oris muscle during closure was significantly greater in adults than in children. There were significant positive correlations between integral values of LP and EMG for closure in adults (r = .527, p = .008) but not in children, and significant positive correlations between integral values of LP and IP for swallowing in children (r = .508, p = .010) but not in adults. CONCLUSIONS The CS may provide an effective tool for evaluating lip function in children acquiring oral function. For the combination of maxillary orbicularis oculus contraction and formation of intraoral negative pressure, EMG activity of the upper orbicularis oris muscle involvement in LP and IP involvement in LP may differ between children and adults.
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Affiliation(s)
- Mio Hozawa
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuki Nakamura
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tetsuya Sotome
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tsutomu Nakajima
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Mika Hanasaki
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuki Sasakawa
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Saeko Tsukuno
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuki Yonemoto
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Haruaki Hayasaki
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Huang YF, Chang WH, Liao YF, Chen MH, Chang CT. Lip and tongue strength associated with chewing patterns in aging population. BMC Oral Health 2023; 23:848. [PMID: 37951869 PMCID: PMC10638681 DOI: 10.1186/s12903-023-03503-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 10/07/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Improving chewing function of older adults increases the health-related quality of life. Few studies indicated the correlation between tongue, lip strength on masticatory performance in older people. The study aimed to investigate the association between lip, tongue strength on chewing pattern in aging population. METHODS The older adults had independent daily intake without assistance were enrolled. They had intact dentition and no periodontitis. To estimate the number of chewing strokes and chewing time by consuming a cornstarch cookie were used to represent chewing pattern. Lip and tongue pressure were evaluated with an Iowa Oral Performance Instrument. Linear regression analysis was used to analyze the lip and tongue pressure associated with the chewing time and strokes. Spearman's correlation analysis was utilized to evaluate the associations among chewing time and chewing strokes or lip and tongue pressure. RESULTS 35 women and 35 men with an average age of 73.2 years were investigated. Tongue pressure was significantly related to the chewing time and the number of chewing strokes (p = 0.01 and 0.03). There was a close association between chewing time and the number of chewing strokes (p < 0.0001). The correlation between lip and tongue pressure was significant (p < 0.0001). CONCLUSION The tongue strength significantly related to chewing ability in aging population. Increasing the tongue strength greatly reduced the number of chewing strokes and chewing time. Good masticatory ability could increase the motor function of tongue; raising the tongue strength might be able to improve mastication in older adults.
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Affiliation(s)
- Yi-Fang Huang
- Department of General Dentistry, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan
- Graduate Institute of Dental and Craniofacial Science, College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Wei-Han Chang
- Department of Physical Medicine and Rehabilitation, Keelung Chang Gung Memorial Hospital, No. 222, Maijin Rd., Anle Dist, Keelung City, 204201, Taiwan.
- School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, 33302, Taiwan.
| | - Yu-Fang Liao
- 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
- College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Mei-Hui Chen
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, 33305, Taiwan
| | - Chung-Ta Chang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan.
- Department of Emergency Medicine, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., Banciao Dist, New Taipei City, 22056, Taiwan.
- Graduate Institute of Medicine, Yuan Ze University, Taoyuan, 32003, Taiwan.
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Minoura A, Ihara Y, Kato H, Murakami K, Watanabe Y, Hirano K, Ito Y, Kokaze A. Relationships between Lip Seal Strength, Tongue Pressure, and Daytime Sleepiness in Japanese Workers: A Cross-Sectional Study. Clin Pract 2023; 13:753-762. [PMID: 37489417 PMCID: PMC10366721 DOI: 10.3390/clinpract13040068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/21/2023] [Accepted: 06/30/2023] [Indexed: 07/26/2023] Open
Abstract
This cross-sectional study aimed to examine the relationships between lip seal strength, tongue pressure, and daytime sleepiness in Japanese workers. A self-administered questionnaire which comprised the Epworth Sleepiness Scale (ESS) was completed by 496 workers, and excessive daytime sleepiness was defined by an ESS score of 11 or over. Lip seal strength and tongue pressure were measured in all participants, and multiple regression analyses were performed to examine the effects of lip seal strength and tongue pressure on daytime sleepiness. The median ESS score was 5.0 (25th and 75th percentiles: 2.0 and 8.0), and 42 (8.5%) workers had excessive daytime sleepiness. The median lip seal strength was 13.5 N (11.4, 16.3), and the tongue pressure was 41.7 kPa (35.2, 48.3). Workers with higher ESS scores had significantly lower levels of lip seal strength than those without, following adjustments for age and body mass index (BMI) values (β (95% confidence interval): -0.043 [-0.081, -0.004]). However, tongue pressure was not significantly associated with ESS score after adjustments for age and/or BMI. These results suggest that maintaining moderate lip seal strength may help prevent excessive daytime sleepiness in Japanese workers regardless of age or BMI.
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Affiliation(s)
- Akira Minoura
- Department of Hygiene, Public Health and Preventive Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshiaki Ihara
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan
| | - Hirotaka Kato
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan
| | - Kouzou Murakami
- Department of Radiology, Division of Radiation Oncology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshio Watanabe
- Division of Respiratory Medicine and Allergology, Department of Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Kojiro Hirano
- Department of Otorhinolaryngology Head and Neck Surgery, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshinori Ito
- Department of Radiology, Division of Radiation Oncology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Akatsuki Kokaze
- Department of Hygiene, Public Health and Preventive Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
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Liu J, Yu S, Xu Y, Li J, Liu B, Liu S, Ning H, Xu D, Low SS. In situ quantitative assessment of food oral processing parameters: A review of feasible techniques and devices. J Texture Stud 2023; 54:3-20. [PMID: 36222444 DOI: 10.1111/jtxs.12728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/25/2022] [Accepted: 10/01/2022] [Indexed: 11/30/2022]
Abstract
Oral processing is a combination of various actions, the detailed description of which has always been the subject of relevant research. By means of imaging technology and sensory evaluation, more knowledge of oral processing have been accumulated. Presently, the advances in sensory technology have added quantitative parameters to the qualitative description of oral processing, which also enriched the specifics of each action. Previous studies have shown that oral processing includes lip closure, dental occlusion, masticatory muscles activity, tongue movement, and swallowing, whose processing contains rich information such as the movement of organ and the intensity of organ contacts. "Quantification" was taken in this review as the basic feature of in situ detection information, the relevant parameters and feasible methods for the quantitative description of each activity was recorded in detail. In addition, basic problems and feasible optimization schemes of the existing in situ detection device are also proposed in the hope of promoting the development of in situ detection device thus providing available information for the description of oral processing.
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Affiliation(s)
- Jingjing Liu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Shixin Yu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Yifei Xu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Jiangyong Li
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Boyu Liu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Shikun Liu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Haohao Ning
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Dongfu Xu
- College of Automation Engineering, Northeast Electric Power University, Jilin, China
| | - Sze Shin Low
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, Ningbo, China
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Martínez-Silva B, Diéguez-Pérez M. Review on Mandibular Muscle Kinematics. SENSORS 2022; 22:s22155769. [PMID: 35957324 PMCID: PMC9371193 DOI: 10.3390/s22155769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 12/02/2022]
Abstract
The complexity of mandibular dynamics encourages constant research as a vehicle to improve oral health. The gold standard motion capture system might help us to understand its functioning and its relation to body position, aiming to perform an exhaustive bibliographic review in the Dentistry field. Six different electronic databases were used (Dentistry & Oral Sciences Source, Scopus, Web of Science, PubMed, CINAHL and SPORTDiscus) in April 2022. The selection criteria includes a biography, critical analysis, and the full text from 1984 to April 2022, based on the odontological gold standard, whether or not in combination with additional devices. Clinical cases, bibliographic reviews or meta-analysis and grey literature were excluded. The checklist of the critical assessment methodology by Joanna Brigs was used (JBI). After choosing scientific articles published in peer-reviewed journals, 23 out of 186 investigations were classified as eligible with a total of 384 participants. The issue being addressed is related to the speech properties, posture and body movement in relation to dento-oro-facial muscle and facial analysis, mandibular kinematics and mandibular dynamics during the mastication process. The markers arrangement depends on the dynamic to be analysed. From a physiologic and pathologic perspective, the applications of the optic system are relevant in Dentistry. The scarcity of literature obtained implies the need for future research.
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Affiliation(s)
- Beatriz Martínez-Silva
- Faculty of Biomedicine and Health Sciences, European University of Madrid, 28670 Villaviciosa de Odón, Spain;
| | - Montserrat Diéguez-Pérez
- Preclinical Dentistry Department, Faculty of Biomedicine and Health Sciences, European University of Madrid, C. Tajo s/n, 28670 Villaviciosa de Odón, Spain
- Correspondence:
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Sasakawa Y, Nakamura Y, Saitoh I, Nakajima T, Tsukuno S, Hozawa M, Sotome T, Nogami Y, Kurosawa M, Iwase Y, Hayashi T, Hayasaki H. Lip-closing pressure during food intake from a spoon in normal children. J Oral Rehabil 2021; 48:711-719. [PMID: 33554330 DOI: 10.1111/joor.13155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Understanding the refinement of self-feeding skills is useful for the assessment of oral functional development in children. OBJECTIVES To determine normative data on lip closing during food intake in the development of independent spoon-feeding in normal children, we tested the hypothesis that lip-closing pressure and spoon operation differ depending on food type. METHODS Fifteen normal children (eight boys, seven girls; mean age: 6.5 years) were asked to eat test foods (2, 3 and 5 g of yogurt and cream cheese) freely with a spoon. Lip-closing pressures and kinematic data on spoon operation were recorded simultaneously with a strain gauge transducer embedded in the spoon and Vicon motion analysis, respectively. RESULTS In the most common lip-pressure pattern, only positive pressure was generated. In the second most common pattern, negative pressure occurred first, followed by positive pressure; this pattern was seen infrequently. Positive pressure (P < .001), pressure duration (P < .001) and spoon intra-oral time (P < .05) during intake of cream cheese (an adhesive food) were significantly greater than those during intake of yogurt (a non-adhesive food). Pressure onset occurred at the beginning of the spoon withdrawal period or at the turning point from spoon insertion to withdrawal, depending on the food. CONCLUSIONS Lip-closing force and spoon operation varied depending on food type in preschool and early elementary school children. Our findings suggest the need to consider the importance of food diversity and to pay attention to the spoon withdrawal period when assessing the development and maturation of lip function.
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Affiliation(s)
- Yuki Sasakawa
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuki Nakamura
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Issei Saitoh
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tsutomu Nakajima
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Saeko Tsukuno
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Mio Hozawa
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tetsuya Sotome
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yukiko Nogami
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Mie Kurosawa
- Clinical Research Institute, Kanagawa Prefectural Hospital Organization Kanagawa Children's Medical Center, Kanagawa, Japan
| | - Yoko Iwase
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Toyohiko Hayashi
- Department of Biocybernetics, Faculty of Engineering, Niigata University, Niigata, Japan
| | - Haruaki Hayasaki
- Division of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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