Database construction of havdness and tonicity of lip and tongue by means of torgue sensor

在制定正畸治疗策略时，牙齿的位置起着非常重要的作用，舌和唇的压力和紧张度通常被认为是主要的因素。然而，这种评估通常是主观和定性的，没有使用一些工具来客观地评估这些评估。从错误的角度来看，确实需要建立评估嘴唇和舌头硬度和紧张度的方法学。本研究的目的是利用最新研制的振动传感器和扭矩传感器来测量和评价软组织的张力和硬度。结果表明：1)鼻子和下巴最硬，其次是舌头和脸颊，嘴唇最软。2)男性软组织的硬度普遍高于女性。3)III类错(牙合)表现出柔和的趋势。4)张力最低的是下巴，最高的是舌头。5)女性的软组织的张力较低，而另一方面，男性在舌头和唇部表现出较低的紧张度。6)在第III类错牙合时，男性的舌尖和唇部的紧张度普遍较低，而在第三类错牙合时，男性的舌尖和唇部的紧张度较高。这些新开发的系统将有助于客观评价软组织的硬度和紧张性。

Planning a treatment strategy at orthodontic treatment, the position of the teeth play a very important role and both pressures and toniciry of tongue and lip are usually considered as a major element of it. However, this kind of estimations are usually done subjectively and qualitatively without using some devices to evaluate these objectively. From mis point of view, the establishment of methodology to evaluate the hardness and the tonicity of a lip and tongue are really needed. The purpose of this study was to construct a database with measuring and evaluating the tonicity and hardness of the soft tissues by using of newly developed vibration sensor and torque sensor.The results obtained were as follows:1) Nose and Chin were the hardest, the next followed Tongue and Cheek, and Lip was softest.2) The hardness of soft tissues at a male was generally harder compared with that of a female.3) Cl.III malocclusion showed a softer tendency.4) The tonicity was lowest at Chin, and highest at Tongue.5) Female showed a lower tonicity at Nose, Chin and Cheek, on the other hand, male showed a lower tonicity at Tongue and Lip.6)At cl.III malocclusion, the tonicity was generally lower, but higher at cl. II.These newly developed systems would contribute to the objective evaluation of hardness and tonicity of the soft tissues.