From existing data, the prevalence rate of misplaced maxillary canine varies from 1% to 3%.
上颚未萌出异位及阻生犬齿的盛行率约为1%~3%。
An impacted maxillary canine is a frequently encountered clinical problem in the mixed dentition.
摘要上颚阻生犬齿是混合齿列期常遇见的问题。
Objective To discuss the associated problems of diagnosis and treatment for maxillary canine malocclusion.
目的探讨上颌尖牙错(牙合)畸形诊断和治疗的相关问题。
Method 103 patients with impaction of maxillary canine were divided into two groups (buccal and palatal). 46patients were in palatal group and 57patients in buccal group.
方法选择103名上颌尖牙埋伏阻生患者，分为46名腭侧阻生组和57名唇侧阻生组。
Methods To puncture from inferior nasal meatus and canine fossa with a nasal endoscopic needle, then, to cut away the pathological tissue of maxillary sinus under the endoscopic observation.
方法：鼻窦镜穿刺套管针分别从下鼻道、尖牙窝穿刺，在鼻内窥镜直视下切除上颌窦病变；
Objective To discuss the orthodontic therapy and the associated problems of the patients with maxillary impacted canine.
目的探讨上颌尖牙阻生的正畸治疗及相关问题。
The inter-canine, inter-molar and alveolar widths were measured and the differences between maxillary and mandible width calculated.
测量两组尖牙牙弓宽度、磨牙牙弓宽度及磨牙牙槽弓宽度，并计算上、下颌对应的牙弓、牙槽弓宽度差。
The inter-canine, inter-molar and alveolar widths were measured and the differences between maxillary and mandible width calculated.
测量两组尖牙牙弓宽度、磨牙牙弓宽度及磨牙牙槽弓宽度，并计算上、下颌对应的牙弓、牙槽弓宽度差。
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