This article reviews about the definition of ectopia and impaction ; the development of maxillary canine ; etiology , occurrence , assessment and treatment of impacted canine 本篇報(bào)告回顧上顎未萌出異位及阻生犬齒的定義、生長(zhǎng)發(fā)育、阻生及未萌出的原因、發(fā)生率、評(píng)估方法及臨床治療等之相關(guān)文獻(xiàn)。
英文解釋
abnormal position of a part or organ (especially at the time of birth)
百科解釋
In medicine, an ectopia is a displacement or malposition of an organ or other body part. Most ectopias are congenital, but some may happen later in life.