使:CBCT

Hend S Elsayed1, Amr R El-Beialy2, Reem Alshazly3

  • 1Oral and Dental Research Institute, National Research Centre, Department of Orthodontics & Pediatric Dentistry (Giza, Egypt).

概括

变化的弹性质链活性化间隔在正牙科没有影响牙运动速度或疼痛. 然而,较长的间隔 (6-8周) 与较短的间隔 (2-4周) 相比,减少了根的再吸收.

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