Slide floss up and down against the tooth surface and under the gumline.
幻灯片牙线上下对牙齿表面和牙龈线下。
Poor tooth surface impacts the horse's capability to maintain a proper weight.
牙齿表面的状态不好，会导致马难以维持恰当的体重。
Alloy steel gear, hard tooth surface, large in output torque and durable in use.
齿轮材料为合金钢，硬齿面，输出转矩大，可靠耐用。
Gear final heat treatment using the parts deformation small tooth surface quenching;
齿轮的最终热处理采用使零件变形较小的齿面高频淬火；
Low power scanning electron microscope image of tooth surface, computer-coloured yellow on blue background.
牙齿表面的电子显微镜扫描图。
Objective To investigate the influence of surface potentials of tooth hard tissue on bone remodeling.
目的研究牙体硬组织表面电位与骨生长改建的关系。
Fluorosis can cause tooth discoloration or surface irregularities.
氟中毒会导致牙齿变色或表面缺陷。
Aim: to study the electric resistance of the crown surface of tooth.
目的：研究牙冠表面电阻状态。
Aim: to study the electric resistance of the crown surface of tooth.
目的：研究牙冠表面电阻状态。
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