1.So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.
这样,本例胎儿显示21三体的若干征象:包括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
2.Objective:To investigate the relationship among the congenital hypodontia of mandibular incisor and malocclusion and the variation of medial distal dimension of mandibular canine.