腰椎间盘成形术是一项有前途的技术，初期功能疗效优于腰椎融合。
Lumbar disc arthroplasty is an promising technology with preliminary functional outcomes superior to those of lumbar fusion.
然而，人们对腰椎间盘成形术产生了一系列的担忧。
Lumbar disc arthroplasty, however, engenders a separate set of concerns.
然而，人们对腰椎间盘成形术产生了一系列的担忧。
Lumbar disc arthroplasty, however, engenders a separate set of concerns.
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