1·Restoration of carious primary and permanent molars.
修复主要牙齿和臼齿。
2·Objective: to study the anatomy of the maxillary first permanent molars.
目的:了解上颌第一恒磨牙牙体解剖基础知识。
3·The composition ratio of first and second permanent molars caries increased with the age increasing.
第二恒磨牙龋与第一恒磨牙龋构成比随年龄增长而上升。
4·Most dentists recommend the permanent molars and premolars to be sealed because these are the teeth that have the deepest grooves.
大多数牙医建议封闭恒牙的磨牙和双尖牙,因为磨牙的窝沟比较深,乳牙通常不用做窝沟封闭。
5·Objective To evaluate the interactions between environmental and genetic effects on the development of mandibular permanent molars 'axis.
目的评价遗传、环境因素在下颌磨牙长轴方向变化中的作用。
6·Permanent teeth begin appearing around age 6, starting with the first molars and lower central incisors. This process continues until approximately age 21.
恒牙萌出于6岁左右,开始于第一恒磨牙以及下颌第一中切牙。这个过程一直持续到将近21岁。