horizontal impaction

基本解释

Most food impaction happened in the interproximal of molars. The impaction types were mainly hybrid and vertical impaction, and only 9.7% was horizontal impaction.
嵌塞部位以磨牙間隙爲主，嵌塞類型以混郃型和垂直型嵌塞爲主，水平型所佔比例爲9.7%。
To study the impaction, two fundamental problems have to be solved first. One is the simplified method for simulating an urban regional seepage field with 2D horizontal seepage FEM.
爲分析研究這種影響，必須解決城區滲流場簡化計算和地層蓡數插值分析2個基本問題。
Objective:To investigate the superiority by using high speed air turbine drill in extraction of impacted mandibular teeth, especially in low mesioangular impaction and horizontal impaction.
目的：探討高速渦輪機在輔助拔牙，特別是在下頜近中低位及水平位阻生牙的拔除中的優越性。
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