第一乳磨牙与第一前磨牙异位埋伏阻生1例
战园
1,
2
, 刘鹤
1,
△
Unerupted first deciduous molar located higher to the first premolar: a case report
ZHAN Yuan
1,
2
, LIU He
1,
△
口内上颌牙合面相,左侧上颌第一乳磨牙未萌出