The vibrational energy in Ultrasonic scaling is useful for removing heavy, tenacious deposits of calculus and stains. It is used for initial debridement in patients with acute, painful conditions ...

Effect of C7-T1 Extensional Posterior Transpedicle Osteotomy on Mobility and Quality of Life in Patients with Ankylosing Spondylitis Complicated with Lumbar Kyphosis and Related Factors.