三天新生儿乳牙生长１例叶兆运新生儿出生３天后萌出乳牙实属罕见，我们在临床上发现１例，特作报道：患儿，女性，１月，河北籍，任丘北汉乡农民家属。患儿出生后第２天发现下门牙龈处发白，其家长用手在触摸时发硬，有异物感。次日，见萌出，逐渐生长，２０天时乳牙发育... Three days of newborn baby teeth growth in 1 case Ye Zhao Yun newborn 3 days after birth is very rare, we found 1 case clinically, special reports: children, women, January, Hebei Ji Renqiu North Han rural peasant family . On the second day after birth, the baby was found to have a whitish gingival margin at the back of the door, and his parents hardened their hands and felt foreign bodies when touching them. The next day, see the eruption, and gradually growing, 20 days of deciduous teeth development ...