单词first molar
un.: 六岁磨牙
网络: 第一磨牙；第一大臼齿；第一臼齿
六岁磨牙
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（AlemayehuAsfaw）有又发现了一片带有第一臼齿的儿童颌骨化石。
This 40-year-old male suffered from inconvenience when eating due to the absence of the lower right first molar and second premolar.
本文报告一位40岁的男性病例，主诉右下后方缺牙导致吃东西不便。
Result: The alveolar crest height of lower first molar increased statistically after treatment .
结果：矫治后下颌第一磨牙缺牙处的牙槽嵴高度比矫治前增大，差异具有显著性。
Conclusion: Disto-lingual root of the mandibular first molar develop it"s periodontal disease.
结论下颌第一磨牙远中舌根对牙周病的进展有促进作用。
Objective To aware tooth wear of mandibular first molar (M1) in Bronze-Iron Ages from Xinjiang and Inner Mongolia.
目的探讨青铜铁器时代新疆、内蒙古地区人群下颌骨第一磨牙（M1）的磨耗特点。
But Longgupo also yielded a mystery jaw fragment, including the fourth pre molar and the first molar .
但龙骨坡还发现了一件神秘的下颌残片，包括第四前臼齿和第一臼齿。
The Clinical Study of Two- Implant- Supported First Molar Restoration
双种植体修复在第一磨牙缺失中的应用
Stress analysis on structure defect with different post core materials and full crown restoration of the permanent mandibular first molar
下颌第一恒磨牙牙体缺损不同桩核材料全冠修复的应力分析
Biomechanical characteristics of the mandibular first molar model constructed by three
应用三维有限元建立下颌第一磨牙模型的生物力学特征
The photoelastic stress analysis of various prosthodontia design for mandibular first molar with hemisection
下颌第一磨牙半切术后不同修复设计的光弹性应力分析