Effect of depth and angle of reverse-curve arch wires on stress distribution of tooth roots and periodontal tissue
摇椅弓角度和弧形深度对牙根和牙周组织应力分布的影响
Objective: With the method of 3-D finite element analysis, the study was to analyze the perpendicular force on each tooth as well as the Von Mises distribution on tooth roots, periodontal ligaments and alveolar bone that were produced by the reverse-curve arch wires of various angles and depths.
目的:通过三维有限元法分析摇椅弓角度和弧形深度的变化对前后牙垂直向力以及牙根和牙周组织第四强度Von Mises综合应力分布的影响。
She would sit in her little rocking chair to suck her finger in the most unexpected corner.
她宁愿在最出人意料的角落里,坐在她的小摇椅上吮吸手指。
Treat deep overbite with archwire combined with bite plate
深覆矫治的摇椅弓配合小平导应用
He was rocking himself in a rocking chair.
他坐在摇椅上摇动着。
A woman walks up to a little old man rocking in a chair on his porch.
一位女士走向坐在门廊的椅子上摇动的小老头。
A woman walked up to a little old man rocking in a chair on his porch.
一个小老头坐在走廊前的摇椅上,悠然自得。一个妇女向他走了过来。
He sat rocking himself to sleep in his chair.
他坐在椅中轻摇入睡。
Dreams in the Rocking-chair;
摇椅上的梦想——《嘉莉妹妹》中摇椅的象征意义
At midnight he was still rocking, staring at the floor.
半夜了,他还坐在摇椅里摇着,盯着地板发呆。
Rock-a-bye, baby, on the tree top,
摇呀摇, 小宝宝, 在树梢,
rocking chair on a stationary base.
在一个固定底基上的摇椅。
He sat rocking in his chair.
他坐在椅子上前后摇动着.
When I went back after cleaning my hands, Mother was sitting in her rocker.
我洗手回来时,母亲坐在摇椅上。
the chair rocked rhythmically back and forth.
椅子有节奏地来来回回地摇晃。
has high spindle back and decorative top panel.
有高的摇轴椅背和装饰了的顶盘。
He sat rocking (himself) in his chair.
他坐在椅子上前後摇动着.
Whistler painted his mother in a rocking chair
惠斯勤画了母亲坐摇椅的肖像。
Michanical Study on Leveling Spee s Curve with Reverse-curve Arch;
摇椅形弓丝整平Spee曲线的力学研究
jig a child (up and down)
把小孩 (上下) 摇动
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