first molar

常见例句

A couple of days later near the same spot, fossil hunter Alemayehu Asfaw found a piece of a child's jaw with a first molar tooth.
几天以后，在该目击地的附近，化石猎手阿勒迈耶胡·阿斯范（Alemayehu Asfaw）有又发现了一片带有第一臼齿的儿童颌骨化石。
Objective To solve the problem that the molar propeller moving upper simultaneously two molars distally resulted in the first molar tipping and lingual rotation.
目的探索解决磨牙推进器同时推两个磨牙远移过程中出现第一磨牙向远中倾斜、舌向扭转问题。
Metbods:A two dimensional finite element model was built up to analyse the stress within the periodontal tissue of the first molar, with a reduced tooth eruption-resistant force.
方法：用二维有限元法分析阻萌力减少前后下第一磨牙牙周组织内应力分布的变化。