压膜保持器减缓下颌后牙种植单冠与天然邻牙邻接触丧失的效果
曾百进
1
, 果莹
2
, 余日月
2,
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Effect of the vacuum-formed retainer on preventing the proximal contact loss between implant supported crown and adjacent natural teeth
ZENG Bai-jin
1
, GUO Ying
2
, YU Ri-yue
2,
Δ
下颌后牙种植单冠戴用时间与邻接触丧失的关系