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首页> 外文期刊>精密工学会誌 >2方向に回転させた切れ刃の光反射を利用する歯石除去用スケーラの切れ味評価
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2方向に回転させた切れ刃の光反射を利用する歯石除去用スケーラの切れ味評価

机译:利用沿两个方向旋转的切削刃的光反射评估洁牙机去除牙垢的清晰度

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歯科医師や歯科衛生士は,歯石を除去するに当たりスケーラrnと呼ばれる刃物を使用する.スケーラにより,食物や唾液rn中のカルシウムやマグネシウム成分などが含まれる硬い歯石をrn引掻く動作が行われるため,その切れ刃は頻繁に再研磨され,rn切れ味を適切に回復しておく必要がある.%Dentists and dental hygienists remove dental calculus using a cutting tool called dental scaler. The evaluation of sharpness of dental sealers requires skill which depends on sensory examination. The aim of this research is to evaluate the sharpness of sealers objectively by estimating optical reflection images of blades rotated in two directions. For taking photos of blades at various angles using CCD camera, the sealer to be inspected was fixed on a turn table driven by a stepping motor. In this research, the angle of a sealer fixture on the turn table was also changed by a RC servo motor. As a result, the optical reflection patterns of the cutting edge could be obtained more precisely than before. Next, an image processing method was examined for calculating the area and the length of optical reflection patterns of the cutting edge from the photos obtained from various angles. And the relation between these values and the sensory evaluated values was examined using multiple regression analysis. As a result, it was confirmed that this method can evaluate the sharpness of sealers objectively and precisely. And it was also confirmed that the angle of the sealer fixture is also an important factor for this evaluation method as well as the angle of the sealer.
机译:牙医和牙齿卫生员使用称为洁牙机rn的刀片去除牙垢。由于洁牙机会刮擦食物和唾液中含有钙和镁成分的坚硬牙垢,因此必须经常重新研磨切削刃,并且必须正确恢复锋利度。在那儿。牙医和牙科保健员使用称为洁牙机的切割工具去除牙结石。对牙科封口机的锋利度进行评估需要依赖于感官检查的技能。本研究的目的是通过测量牙齿的光学反射图像来客观地评估封口机的锋利度。为了使用CCD摄像机拍摄各种角度的叶片照片,将要检查的封口机固定在由步进电机驱动的转台上。本研究中,将封口机固定装置固定在转台上的角度为另外,通过RC伺服电机进行更改,结果可以比以前更精确地获得切削刃的光学反射图案。接下来,研究了一种图像处理方法来计算切削刃的光学反射图案的面积和长度并使用多元回归检验这些值与感官评估值之间的关系。结果表明,该方法可以客观,准确地评价封口机的锋利度,并且可以确定封口机夹具的角度也是评价方法的重要因素。封口机。

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