The new volumes of alveolar bone, cementum and periodontal ligament in the UT group were more than those in the C group (P< 0.05).
超声组牙槽骨、牙骨质、牙周膜新生量均大于对照组（P< 0.05）。
The new volumes of alveolar bone, cementum and periodontal ligament in the UT group were more than those in the C group (P< 0.05).
超声组牙槽骨、牙骨质、牙周膜新生量均大于对照组（P< 0.05）。
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