A instruction program for cleaning dentures of the elderly and its effect

口腔健康与身心健康密切相关。一般来说，老年人使用假牙。对于戴假牙的长者来说，充分清洁假牙是保持口腔及身体健康的必要条件。为了测量义齿刷所产生的力，在义齿刷柄上安装了4个应变片，并校准了一种刷力测量工具。使用定量检测手指运动的测量工具来评估手指运动。这种磁传感器的一个主要优点是，它可以在不受无意识运动影响的情况下分析手指打开的程度和手指-拇指对立的不协调程度。受试者被要求尽可能快地敲击键盘，同时尽可能远地移动手指。由运动-距离波形计算的功率谱可用于评估手指的运动。功率谱中的主频率可以作为清洁牙齿和义齿能力的指标。口腔和义齿不洁者的主频率小于口腔和义齿不洁者。结果提示，护理人员应在主频率较小的情况下清洁口腔和假牙。

Oral health is closely related to mental and physical health. Generally speaking, the elderly use a denture. It is essential for the elderly with a denture to adequately clean a denture to keep oral and physical condition healthy. To measure force exerted by a denture brush, 4 strain gauges were attached to a handle of a denture brush and a measurement tool for brushing force was calibrated. A measurement tool for quantitatively detecting the finger movement was used to evaluate finger movement. A major advantage of this magnetic sensor is that it enables the degree of finger opening and the incoordination of finger-thumb oppositions to be analyzed without being affected by involuntary movement. The subjects were instructed to tap as rapidly as possible while moving their fingers as far as they could. Power spectrum calculated from the movement-distance waveforms was available to evaluate finger movement. The main frequency in power spectrum might be a index for the ability of cleaning teeth and dentures. The main frequency was smaller in subject with dirty oral cavity and dentures than in a subject with clean oral cavity and dentures. The results suggested that a caregiver should clean oral cavity and dentures in a case of a small main frequency.