激光焊接式衔铁适用于颌间距离较为充裕的患者，当颌间距离较小时则可选择铸造式衔铁。
Laser-welded keeper just could be used when there was enough space between the upper jaw and the lower jaw in patients with limited space to design the cast-keepers.
激光焊接式衔铁适用于颌间距离较为充裕的患者，当颌间距离较小时则可选择铸造式衔铁。
Laser-welded keeper just could be used when there was enough space between the upper jaw and the lower jaw in patients with limited space to design the cast-keepers.
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