Maréchaux S C
ASDC J Dent Child. 1985 Nov-Dec;52(6):452-4.
Primary molars can fracture if a severe blow is received on the chin; the fracture can remain undiagnosed, with pain on mastication the only symptom. A case report is described in which an 81/2-year-old boy sustained chin trauma and fractures of primary molars.
如果下巴受到严重撞击,乳磨牙可能会发生骨折;骨折可能未被诊断出来,咀嚼时疼痛是唯一的症状。本文描述了一例病例,一名8岁半的男孩下巴受到外伤,乳磨牙发生骨折。