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乳牙外伤对恒牙胚影响的分析与矫治 被引量:1

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摘要 本文对23例乳牙外伤,致36颗恒牙胚萌出及发育畸形分析表明:①致畸形的恒牙胚中,以中切牙最多见,侧切牙次之,尖牙最少。②恒牙胚畸形的程度及数目,除与外伤程度成正比关系外,4—6岁期外伤,致畸形程度最严重,且数目最多。③畸形的特点为,扭转、低位、矢状水平位及根短或弯曲。④采用活动或固定矫治方法,均能获得满意的效果。
出处 《神经药理学报》 1997年第1期33-34,共2页 Acta Neuropharmacologica
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