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- Keywords Electronic apex locators;Apical root resorption;Working length; 根尖定位仪;根尖破坏;根管测量;
- In vitro measurement accuracy of electronic apex locator in teeth with apical root resorption 三种根管长度测量仪测定根尖吸收牙齿工作长度准确性的比较研究
- The relationship between apical root resorption and orthodontic tooth movement in growing subjects 青少年期正畸治疗与上中切牙牙根吸收的关系
- apical root resorption 根尖吸收
- external apical root resorption 根尖吸收
- Primordium (pl. primodia) A collection of cells that differentiates into a specialized cell, tissue or organ, e.g. the apical shoot and apical root primordia of the embryo. 原基：指能分化出特化的细胞、组织或器官的少数细胞，如胚芽原基和胚根原基。
- But the luxated immatured teeth accompanied with alveolar fracture tended to have root resorption. 伴有牙槽骨骨折者易发生牙根吸收。结论:少儿前恒牙脱位率高,再植效果好。
- Objective:To evaluate the influence on root resorption after distalizing molars with face bow. 目的:评价口外弓推磨牙远移对磨牙牙根吸收的影响。
- The animals were killed at 1,2,4 and 7 week respectively,and histological slices of the experimental teeth were made to observe the root resorption. 同时在第1、2、4、7周将动物处死,制作实验牙的病理切片,观察发生牙根吸收的情况。
- Root resorption is a common complication in orthodontic treatment, which affects the result of the treatment and the health of teeth. 牙根吸收是正畸治疗中的常见并发症,其直接影响治疗效果及牙齿的健康。
- To control root resorption,we should know the factors.We review the factors of root resorption induced orthodontically in this article. 控制牙根吸收,首先要了解其病因,本文将对牙根吸收的影响因素作一综述。
- The root resorption induced orthodontically can not be avoided completely.The factors of root resorption are very complex. 正畸治疗诱导的牙根吸收是无法完全避免的,它的影响因素也非常复杂。
- Objective: To evaluate the effect ot flat bite plate (FBP) on the root resorption of mandibular incisors during orthodontic treatment. 摘要目的：探讨平面导板配合直丝弓矫治对牙根吸收的影响。
- Objective:To evaluate the effect ot flat bite plate(FBP) on the root resorption of mandibular incisors during orthodontic treatment. 目的:探讨平面导板配合直丝弓矫治对牙根吸收的影响。方法:随机选择66例经过直丝弓矫治的成年非拔牙患者,其中33例配合使用平面导板治疗。
- PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear (HPHG) on root resorption of maxillary incisors during orthodontic treatment. 摘要目的：评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
- Figure1 The performance of the X-ray is the destruction of the left mandible bone, and shows no dental root resorption, no bone line or periosteal reaction. 图1，患者术前曲面断层的表现，可见左下颌骨部分骨质破环，未见明显骨白线和牙根吸收、骨膜反应。
- PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear(HPHG) on root resorption of maxillary incisors during orthodontic treatment. 目的:评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
- Objective:To determine the relationship between the rate of anterior teeth root resorption and orthodonc-tic treatment applying microscrew implant anchorage or orthognathia surgery. 目的:观察微型种植体作矫正支抗和正颌手术配合矫正治疗后患者上前牙牙根吸收情况,了解牙根吸收率与牙齿移动距离和受力时间的关系。
- multiple idiopathic root resorption 多发性特异性牙根吸收
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
