舌面隆突舌窝CingulumLingual fossa远中边缘崂近中边缘蝽Distal marginal ridgeMesial marginal ridge切蝽Incisal ridge右上颌乳侧切牙（舌面观）图1-110舌面窝浅
舌面窝浅
颈线舌面降突Cervical lineCingulum接触区Contactarea切Incisal ridge图1-112右上颌乳侧切牙（近中面观）唇颈、舌面隆突较上颌中切牙为小
唇颈嵴、舌面隆突较上颌中切牙为小
舌面隆突颈线CervicallineCingulum接触区Contactarea切嘴Incisal ridge图1-113右上颌乳侧切牙（远中面观）Maxillary rightdeciduous lateral incisor(distal view）
唇面Labialsurface舌窝切嘴Lingual fossaIncisal ridge舌面隆突Cingulum图1-111右上颌乳侧切牙（切端观）Maxillary right deciduous lateral incisor(incisal view）
上颌乳侧切牙颈线Cervical line远中缘近中缘Distal marginMesial margin牙根：远中切角近中切角Distoincisal angleMesioincisal angle·单根、细长窄厚切缘根长为冠长2倍根尖偏向唇侧远中上领乳侧切牙舌面隆突颈线Cervical lineCingulum接触区Contact area切嗜Incisalridge
上颌乳侧切牙 牙根: •单根、细长窄厚 •根长为冠长2倍 •根尖偏向唇侧远中