| 1. | The patient has a radiolucent lesion below the molar teeth in the right mandible
病人在右下颌的大臼齿，有一放射透过性的病变。 |
| 2. | This case report will present an immature mandibular first permanent molar with carious exposure treated by partial pulpotomy
本篇病例报告即描述局部断髓应用于发育未完成恒牙第一大臼齿，因治疗龋齿引起牙髓暴露。 |
| 3. | Despite of food impaction and proximal caries of first permanent molar , impacted lower second molar also affect the normal function of occlusion
除了影响正常咬合功能外，常因食物阻塞而伴随大臼齿间软组织发炎或第一大臼齿远心侧龋齿。 |
| 4. | The technique is a simple , easy , and effective treatment for both unilateral and bilateral cases , and can be applied to correct the mesial impaction of other molars
本系列报告第一部份，探讨近心阻生下颚第二大臼齿之成因与扶正方法，并择其中5例简要报告。 |
| 5. | The fabrication of this appliance , the preparation of the anchorage , and how to avoid the undesired side effects during the treatment will be discussed
本篇报告是利用镍钛线之超弹性特性有效率地将前倾之阻生第二大臼齿扶正，并著重于如何在扶正过程中获得良好的锚定控制。 |
| 6. | Decreased interbracket distance and limited working space in the molar area force clinicians to make the uprighting appliances with arduous wire bending and / or time consuming laboratory procedures
本方法简单、容易，单、双侧病例均适用：也可应用于扶正其他近心阻生大臼齿。 |
| 7. | Excessive mesial - axial inclination of the mandibular second molar or inadequate posterior arch length cause the mandibular second molar to become impacted against the distal contour of the first permanent molar
摘要下颚牙弓空间不足或第二大臼齿本身过度的近心轴向倾斜，常造成第二大臼齿前倾和阻生。 |
| 8. | Several methods have been proposed for unlocking impacted permanent second molar , the technique of choice would be determined by such factors as the efficiency and convenience of appliance , the preparation of anchorage and the undesired side effect
因此当发现第二大臼齿无法顺利萌发，通常会建议病患以矫正方式扶正以获得良好的咬合。 |
| 9. | The six - year molars are the first permanent molars which erupt at the age of six . there are a total of four six - year molars , one in each quadrant , situated right behind the last primary molars . the four molars are vital to the normal occlusion of permanent teeth
小朋友六岁时，他下颌乳臼齿后面长出大牙齿，即第一大臼齿，共有四只，位置在口腔四端乳臼齿的后面，由于通常在六岁左右长出，故称为六岁齿。 |
