Time series analyses on the mandibular and perioral soft tissue movement during the mastication

咀嚼过程中下颌和口周软组织运动的时间序列分析

• 批准号: 11470410
• 负责人: KAWASAKI Takao
• 金额: $ 6.46万
• 依托单位: HOKKAIDO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1999
• 资助国家: 日本
• 起止时间: 1999 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-11470410/
• 关键词: mastication; time series analysis; jaw movement; principal component; stability and smoothness of the movement; perioral soft tissue movement; ステレオ画像; 3次元時系列解析; 皮膚の動き

Though the research on the chewing movement is large in number, the most is the research on the jaw movement. The movement of tongue and buccal mucosa that cooperated for the lower jaw movement accompanies the mastication. So, we analyzed that movement in order to utilize the movement of the skin for the mastication function evaluation during mastication.We concluded the followings;(l) Over 95 % of perioral soft tissue movements can be expressed by PCA using the first three PCs. (2) The movements of mandibular and perioral soft tissue were closely related in the first and third PC. (3) The movements of perioral soft tissue during mastication are the equal repetition spatially and temporally stable movements, and move in the same accurate rhythm as mandibular movements and cooperate with mandibular movements temporally. (4) For movements of the lower face skin during mastication there were no significant differences in the cycle rhythms between the two chewing sides in individual healthy subjects. Moreover, the similarity of the chewing paths and motion directions of those movements were spatially stable on each chewing side and showed mirror-image relationships between the two chewing sides in individuals.

虽然对咀嚼运动的研究很多，但最多的是对下颌运动的研究。舌和颊粘膜的运动是伴随咀嚼运动而进行的，舌和颊粘膜的运动与下颌运动相配合。因此，我们分析了这种运动，以便利用皮肤的运动来评估咀嚼过程中的咀嚼功能。我们得出以下结论：（1）超过95%的口周软组织运动可以用PCA表示前三个PC。(2)下颌骨和口周软组织的运动在第1、3次PC中密切相关。(3)咀嚼运动中口周软组织的运动是等重复的时空稳定的运动，与下颌运动具有相同的准确节律，并在时间上与下颌运动相配合。(4)对于咀嚼期间下面部皮肤的运动，健康受试者咀嚼两侧之间的周期节律没有显着差异。此外，这些运动的咀嚼路径和运动方向的相似性在每个咀嚼侧上是空间稳定的，并且在个体的两个咀嚼侧之间显示出镜像关系。

项目成果

Sakaguchi K., Kawasaki T. et.al: "Application of principal component analysis to the elucidation of perioral soft tissue movements during mastication"The Journal of Oral Rehabilitation. 28. 286-293 (2001)

Sakaguchi K.、Kawasaki T. 等人：“应用主成分分析来阐明咀嚼过程中口周软组织运动”口腔康复杂志。

Sakaguchi K., Kawasaki T. et.al.: "Spaciostructural analyses of mandibular and perioral soft tissue movements during mastication"The Journal of Oral Rehabilitation. 28. 982-990 (2001)

Sakaguchi K.、Kawasaki T. 等人：“咀嚼过程中下颌和口周软组织运动的空间结构分析”口腔康复杂志。

Sakaguchi K, Kawasaki T et al.: "Time-series analyses of mandibular and perioral soft tissue movements during mastication"The Journal of Oral Rehabilitation. (in press).

Sakaguchi K、Kawasaki T 等人：“咀嚼过程中下颌和口周软组织运动的时间序列分析”口腔康复杂志。

K SAKAGUCHI, T. KAWASAKI, T. KAWASHIMA, M. TODA, T. NAKAGAWA, T. YAMADA, O. ARAKI: "Application of principal component analysis to the elucidation of perioral soft tissue movements during mastication"Journal of Oral Rehabilitation. 28. 286-293 (2001)

K SAKAGUCHI、T. KAWASAKI、T. KAWASHIMA、M. TODA、T. NAKAGAWA、T. YAMADA、O. ARAKI：“应用主成分分析来阐明咀嚼过程中口周软组织运动”口腔康复杂志。

Sakaguchi K, Kawasaki T et al.: "Spaciostructural analyses of mandibular and perioral soft tissue movements during mastication"The Journal of Oral Rehabilitation. 28. 982-990 (2001)

Sakaguchi K、Kawasaki T 等人：“咀嚼过程中下颌和口周软组织运动的空间结构分析”口腔康复杂志。