患者,女,10岁。因右上乳前牙松动,恒牙未萌前来我院就诊。患者八岁时1即已萌出,Ⅰ一直未脱,口腔无不适感。口腔检查见Ⅰ松动Ⅱ°,1正常咬(牙合)位,其它均无异常。X线片示:Ⅰ根部与1牙胚之间有一密度增强影像,界限清楚,该影像中可见数个大小不等,形状不规则的阻射团块,1牙根已形成。治 Patient, female, 10 years old. Due to loose upper right breast teeth, permanent teeth did not come to our hospital adorable. Patient at eighteen years 1 has erupted, Ⅰ has not been off, the mouth without discomfort. Oral examination see Ⅰ loosening Ⅱ °, 1 normal occlusion (occlusion) bit, the other no abnormalities. X-ray showed: Ⅰ root and a tooth germ between a density-enhanced image, clear boundaries, the image can be seen in several sizes, irregular shape of the block, a root has been formed. rule