结论:狗乳牙正畸移动后恒牙胚牙周组织发生骨改建。
Conclusion: Bone remodel around the permanent tooth germ resulted from primary tooth orthodontic movement.
youdao
由于饥饿这条狗瘦成了皮包骨。
Hunger had reduced the dog to skin and bone.
“我们发现了一个真正的狗的头盖骨,”他说。
"We found a true dog skull," he says.
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