Active Implants (United States)

The Longitudinal Changes of Cervical Sagittal Alignment in a Non-surgical Cohort: A 12-Year Longitudinal Study

Study Design A retrospective longitudinal observational cohort study. Objective This study aimed to quantitatively evaluate the natural progression of cervical sagittal alignment parameters in non-surgical patients over a mean 12-year follow-up period, with a specific focus on ag...