Search Results 1-20 of 838

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A case of long-term use of a night guard that was suspected of causing occlusal changes [in Japanese]

TAGA Hitoshi , WATANABE Masato , ENO Yukiko , YONENAGA Kazumichi , MATSUO Akira , TAKATO Tsuyoshi

… changes in a patient who underwent continuous regular observations for at least 14 years since starting to use a night guard and discuss the precautions in the management of night guard use. Case: A 50-year-old female, with the chief complaints of clenching, tongue ache, abrupt awakening, etc. Results: A night guard for the upper jaw was fabricated, and shrinkage of the interdental space in the maxillary anterior region and occlusal changes （open bite） were observed after 12 years and 6 months of …

Journal of Oral and Sleep Medicine 7(2), 88-93, 2021

J-STAGE
2

The effect of occlusal splints on the mechanical stress on teeth as measured by intraoral sensors

Tanaka Yuto , Yoshida Toru , Ono Yoshiaki , Maeda Yoshinobu

… The strain on the four target teeth (right maxillary and mandibular first premolars, and first molars) and occlusal pressure were concurrently measured, while the participants performed maximum voluntary teeth clenching under each condition (hard, soft, or no occlusal splint).Results: …

Journal of Oral Science 63(1), 41-45, 2021

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3

Masseter Muscle Activity and the Effect of Clenching in Kyudo [in Japanese]

森田匠 , 松永知子 , 宇佐美義光 , 伊澤彰郎 , 平岡道郎 , 平場勝成

スポーツ歯学 24(1), 26-33, 2020-08

Ichushi Web
4

Effects of functional training after orthognathic surgery on masticatory function in patients with mandibular prognathism

Kawai Nobuhiko , Shibata Manami , Watanabe Masahiko , Horiuchi Shinya , Fushima Kenji , Tanaka Eiji

… For each subject, electromyographic activities of masseter and temporalis muscles during maximum voluntary clenching (MVC) and jaw movement during gum chewing were recorded before and after surgical orthodontic treatment. …

Journal of Dental Sciences 15(4), 419-425, 2020-04-07

IR
5

The Effect of Continuous Clenching Exercise on Bite Force for Dependent Elderly Based on the Analysis Using Electromyogram and 3-axis-force-sensor [in Japanese]

TACHIMURA Takashi , ENDOH Michiyo , TOKITA Kayoko

… A 15-week program of exercise by clenching with the maximum possible force using a specially fabricated elastic plate was designed and applied to six residents wearing dentures in a nursing home. … Chronological changes in bite force and masseter muscle activity were investigated periodically. Before the exercise, none of the subjects exhibited vertical force during clenching, but force in either the anteroposterior or lateral direction was observed for all subjects. …

MAXILLOFACIAL PROSTHETICS 43(1), 26-35, 2020

J-STAGE Ichushi Web
6

Investigation of human finger joint control by functional electrical stimulation using clenching motion as an interface [in Japanese]

OHNO Shotaro , MATSUI Kazuhiro , TANIGUCHI Kazuhiro , ATSUUMI Keita , NAGAI Miwa , HIRAI Hiroaki , NISHIKAWA Atsushi

… We proposed a functional electrical stimulation (FES) system using a clenching motion as trigger based on a relationship between clenching and grasping motion. … was used to measure the clenching motion. …

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2P1-E10, 2020

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7

Evaluation of the influence of the finger touch or occlusion stimuli on the vestibulo-ocular reflex [in Japanese]

Sugita-Kitajima Akemi , Koizuka Izumi

… (2) bite condition: the subjects (n=24) were told to perform maximum voluntary tooth clenching. …

Equilibrium Research 79(4), 244-250, 2020

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8

Correlation between Changes in the Transverse Relaxation Time and Electromyographic Measurements of the Superficial Masseter and Temporal Muscles

Fujii Tsuyoshi , Yamaguchi Satoshi , Sung Yul-wan , Watanabe Makoto , Hattori Yoshinori

… Six healthy adults engaged in a clenching task over two durations at various bite forces. …

Magnetic Resonance in Medical Sciences 19(3), 268-275, 2020

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9

A study of occlusal contacts and masticatory function on maxillary complete denture wearers:Comparison of ridge conditions with or without maxillary defect [in Japanese]

Sugiyama Shintaro , Ozawa Shogo , Yoshioka Fumi , Takebe Jun

目的：上顎に全部床義歯を装着した患者を対象に，咬合接触状態と咀嚼機能の関係を明らかにする目的で，上顎の粘膜支持状態や下顎の残存歯の有無をグループ分けして検討した．方法：被験者は上顎に全部床義歯を装着する39名で，それを3つのグループに分け，上顎に顎欠損を有するグループと，上下顎無歯顎のグループ，上顎は無歯顎だが下顎に残存歯があり部分床義歯を装 …

The Journal of the Japanese Academy of Occulusion and Health 26(1), 4-9, 2020

J-STAGE Ichushi Web
10

A case of generalized periodontitis who was successfully treated using a psychological approach followed up for 11 years [in Japanese]

Yamaguchi Masahi , Mizoguchi Mika , Ishiyama Saori , Shinoda Yuka , Kato Hiroshi

咬合性外傷を伴う歯周炎患者に心理学的手法を取り入れた歯周基本治療，エナメルマトリックスタンパク質（enamel matrix derivative：EMD）と自家骨移植併用再生療法を含む歯周外科治療，心理学的手法を取り入れたsupportive periodontal therapy（SPT）を行って11年経過した症例を報告する。患者は55歳 …

Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology) 62(2), 107-120, 2020

J-STAGE Ichushi Web
11

Diagnosis and management of sleep bruxism [in Japanese]

YOSHIZAWA Shuichiro

… It is characterized by frequent occurrence of rhythmic masticatory muscle activity （RMMA） during sleep and often causes clenching and RMMA in combination. …

Journal of Oral and Sleep Medicine 6(2), 123-128, 2020

J-STAGE Ichushi Web
12

Study on regional activities in the human brain caused by the low-level clenching and tooth separation: Investigation with functional magnetic resonance imaging [in Japanese]

ARIJI Yoshiko , GOTO Shigemi , ARIJI Eiichiro , KONDO Hisataka , MIYAZAWA Ken , SAKUMA Shigemitsu , TABUCHI Masako , KISE Yoshitaka , NAKAYAMA Miwa , KOYAMA Shuji , TOGARI Akifumi

… Purpose: The purpose of this study was to clarify the activated regions in the human brain caused by low-level clenching and tooth separation, focusing on their differences. Methods: For creating functional magnetic resonance images（fMRI）, echo planar and T1-weighted images were obtained using a 3T MRI apparatus. …

Journal of The Japanese Stomatological Society 69(1), 13-21, 2020

J-STAGE Ichushi Web
13

Awareness of Clenching and Underweight are Risk Factors for Onset of Crowding in Young Adults: A Prospective 3-Year Cohort Study

Toyama Naoki , Ekuni Daisuke , Taniguchi-Tabata Ayano , Kataoka Kota , Yamane-Takeuchi Mayu , Fujimori Kohei , Kobayashi Terumasa , Fukuhara Daiki , Irie Koichiro , Azuma Tetsuji , Iwasaki Yoshiaki , Morita Manabu

… The purpose of this prospective cohort study was to investigate the association between the onset of malocclusion and awareness of clenching during the daytime in young adults. … In multivariate logistic regression, awareness of clenching was a risk factor for crowding (OR: 3.63; … These results suggest that awareness of clenching during the daytime and underweight are risk factors for the onset of crowding in young adults. …

International Journal of Environmental Research and Public Health 16(5), 690, 2019-02-26

IR
14

Study of Teeth-clenching in Sports [in Japanese]

竹内正敏 , 下里武巳

スポーツ歯学 22(2), 42-49, 2019-02

Ichushi Web
15

Optimal occlusal force field of masticatory system under clenching by simplex method [in Japanese]

NOGUCHI Yukie , SHIBUTANI Yoji

The Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME 2019.32(0), 2C14, 2019

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16

Usefulness of a newly developed prototype occlusal force measuring device [in Japanese]

Shiga Hiroshi , Nakajima Kunihisa , Ishikawa Ayano , Komino Marie , Uesugi Hanako , Sano Mako

本研究の目的は，新たに開発したプロトタイプの咬合力測定装置の有用性を明らかにすることである．較正用圧力装置を用いて，プロトタイプの装置に100Nから700Nまで100Nごとに7種類の荷重をそれぞれ20回加え，抵抗値を記録した．20回の記録データ（抵抗値の逆数）について，経時的変化を重複測定－分散分析法で調べた．最初の10回の記録データから較正直線（y=ax＋b）を算出後，この直線 …

The Journal of the Japanese Academy of Occulusion and Health 25(2), 49-54, 2019

J-STAGE Ichushi Web
17

Development of sEMG-based robust oral motion classification method and its application to electric wheelchair operation

NAKAI Yukiya , SASAKI Makoto , KAMATA Katsuhiro , NAKAYAMA Atsushi

… sEMG signals of the suprahyoid muscles during five oral motions (right, left, up tongue motion, jaw opening, and clenching) were measured using a boomerang-shaped 22-channel electrode adhered to the underside of the jaw. …

Mechanical Engineering Journal 6(6), 19-00144-19-00144, 2019

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18

Impact of sleep bruxism on training-induced cortical plasticity

Ikuta Mai , Iida Takashi , Kothari Mohit , Shimada Akiko , Komiyama Osamu , Svensson Peter

… To investigate if sleep bruxism (SB) influences training-induced cortical plasticity and performance in terms of accuracy and precision of a tooth-clenching task (TCT).Methods: …

Journal of Prosthodontic Research 63(3), 277-282, 2019

J-STAGE Ichushi Web
19

About a bad influence by the clenching [in Japanese]

越久村真一

日本医療福祉学会全国学術大会学術報告論文集 2018年度, 19-21, 2018-09-01

Ichushi Web
20

Effects of Low-Intensity Contractions of Different Craniofacial Muscles in Healthy Participants - An Experimental Cross-Over Study

Ikoma Tomoko , Bendixen Karina Haugaard , Arima Taro , Dawson Andreas , Yamaguchi Taihiko , List Thomas , Svensson Peter

Headache 58(4), 559-569, 2018-04

IR

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