Objective To summarize the X ray characteristics of embedded anterior maxillary teeth.
目的总结上颌前牙埋伏阻生的X线影像特点。
Methods: 16 patients with impacted anterior maxillary teeth were treated with fixed orthodontic technique.
方法：应用固定正畸技术对16例埋伏阻生牙采用助萌法或导萌法矫治。
Objective To study the clinical result of the impacted maxillary teeth by using both of surgical exposure and orthodontics.
目的探讨上颌埋伏前牙通过手术导萌和正畸联合治疗的临床效果。
Conclusion: the treatment with fixed orthodontic technique could be an effective way to deal with the impacted anterior maxillary teeth.
结论：应用固定正畸技术矫治埋伏阻生上颌前牙可以获得满意的疗效。
After that, based on the first model, establish the models of maxillary teeth with horizontal balanced alveolar bone loss by deleting the elements.
在已建立模型的基础上，通过删减单元格获得牙槽高度水平均衡降低后的模型。
Objective: To discuss the Clinical application of spiral ct scanning and 3d imaging reconstruction in the localization of unerupted maxillary teeth.
前言：目的：探讨螺旋CT三维重建技术在埋伏牙定位中的应用价值。
Results: All impacted anterior maxillary teeth of the 16 cases were successfully moved into alignment with pulpal vitality , and no postoperative complications were found.
结果：16例上颌埋伏阻生前牙均顺利萌出至正常位置，牙髓活力测试正常。未见龈退缩、邻牙牙根吸收和支抗丧失等常见并发症。
Objective: To evaluate the effective measures for treating the impacted anterior maxillary teeth with fixed orthodontic technique and prevention of postoperative complications.
目的：探讨上颌前牙埋伏阻生固定正畸矫治的有效方法及相关并发症的预防措施。
Objective To investigate methods of treating anterior maxillary teeth protrusion by tooth extraction, and changes of the occluding relation and lateral appearances before and after the treatment.
目的探讨上颌牙齿前突拔牙矫治的方法及矫治前后的牙牙合关系与侧貌变化。
Failure to remove distal or buccal bone while removing one of these teeth can cause the entire maxillary tuberosity to be fractured off, thereby tearing out the floor of the maxillary sinus.
在拔牙的过程中如果远端骨或颊骨移动失败就会造成整个上颌结节断裂，从而造成上颌窦底撕裂。
Results mandible central incisor, maxillary lateral incisor and mandible lateral incisor were most missing teeth, and there were more females than males.
结果缺牙部位最常见的是下颌中切牙、上颌侧切牙和下颌侧切牙，以少数牙缺失为主，女性多于男性。
Results of 64 cracked teeth, 28 appeared in maxillary first molar.
结果在64颗隐裂牙中，有28颗发生于上颌第一磨牙。
Objective To discuss the reliability of the vertical tube shift technique (from a panoramic and a maxillary occlusal radiograph) for localization of the unerupted maxillary anterior teeth.
目的探讨垂直球管移动技术用于上颌埋伏阻生前牙定位的可靠性。
It is the most commonly that supernumerary teeth are impacted in maxillary anterior region with considerable clinical significance.
上颌前部骨埋伏多生牙是多生牙中最常见的一类，临床意义也较大。
Objective To investigate root canal curvature in maxillary anterior teeth.
目的了解上颌前牙根管弯曲情况。
It's displayed in orthopantomography that 3 teeth impacted in maxillary sinus and 2 cases of maxillary molars were buccolingually and horizontally impacted.
曲面体层片显示3例位于上颌窦内，2例上颌后牙颊舌向水平埋伏阻生。
In prosthodontics treatment the size and form of the maxillary anterior teeth are important in achieving pleasing esthetics.
牙科修复治疗时为了达到满意的美学效果，上颌前牙的大小和形状异常重要。
Results The anesthesia positions of maxillary and mandibular teeth were determined.
结果通过观测，确定了上、下颌牙麻醉点的解剖学定位。
Mandibular second premolars are the most frequently missing teeth while maxillary lateral incisors are second-most.
下颌第二前磨牙是最常见的缺失的牙齿，而上颌侧切是第二大。
METHODS: 25 extracted human maxillary anterior teeth, with a single straight root were randomly divided into 5 groups. They were instrumented with K-files and conventional preparation technique.
方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。
A case is reported in which two ectopic maxillary permanent canine teeth bypassed the lateral incisors and caused extensive resorption to both maxillary central incisor teeth.
案件报告中，两名常任异位上颌犬齿绕过侧门，并造成了广泛的骨吸收两个上颌中切牙牙齿。
ObjectiveTo discuss the methods for the impaction of maxillary anterior teeth.
目的探讨上前牙阻生的治疗方法。
The inclination of mandibular and maxillary anterior teeth was increased to an extent.
上下前牙牙轴的倾斜度在一定程度上也增大。
Conclusions: 1 the stress is concentrated in alveolar bone crest and apex area of the maxillary anterior teeth while they are in tipping movement.
结论：1倾斜移动内收上颌组牙时，各个牙的牙槽嵴顶部和根尖部都有明显的应力集中区域。
Conclusions: 1 the stress is concentrated in alveolar bone crest and apex area of the maxillary anterior teeth while they are in tipping movement.
结论：1倾斜移动内收上颌组牙时，各个牙的牙槽嵴顶部和根尖部都有明显的应力集中区域。
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