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患儿,男,生下发现在下颌左右两侧牙槽嵴上有两颗早萌牙齿。左侧牙齿通过一长4mm的蒂与牙槽嵴相连,蒂呈鲜红色,距下颌中线约3mm位于牙槽嵴偏舌侧,测量牙齿牙冠长4mm,宽4mm,切缘平齐,牙冠呈灰黄色,无牙根。右侧牙齿也通过一长4 mm的蒂与牙槽嵴相连,蒂呈紫红色,距下颌中线约3mm,位于牙槽嵴偏舌侧,测量牙齿牙冠长3.5mm,宽4mm,切缘有一切端结节,牙
Children, male, gave birth to two alveolar teeth on the alveolar ridge on both sides of the mandible. The left tooth was connected to the alveolar ridge through a 4mm long pedicle. The pedicle was bright red and located about 3mm from the mandibular midline on the lingual side of the alveolar ridge. The dental crown measured 4 mm long, 4 mm wide, Gray-yellow, no root. The right side of the tooth is also connected to the alveolar ridge by a 4 mm pedicle. The pedicle is purplish red, about 3 mm from the midline of the mandible and is located on the lingual side of the alveolar ridge. The dental crown is measured 3.5 mm long and 4 mm wide. All nodules, teeth