18岁男性患者，26号牙齿的牙冠中面出现缺损，中面及远中面的汞合金修复出现边缘恶化现象。上颚沟变色。
A18 year old male patient, mesial lesion in relation to 26. Mesial and distal amalgam restorations with marginal deterioration. Discoloured palatal groove.
18岁男性患者，26号牙齿的牙冠中面出现缺损，中面及远中面的汞合金修复出现边缘恶化现象。上颚沟变色。
A18 year old male patient, mesial lesion in relation to 26. Mesial and distal amalgam restorations with marginal deterioration. Discoloured palatal groove.
应用推荐