Clinical and ultrasonographic assessment of periodontal tissue response during the early fixed-retention phase: A prospective cohort study.

Researchers tracked periodontal changes in 53 patients over 6 months following fixed orthodontic treatment using ultrasound imaging, finding that while clinical measures appeared stable, tooth inclination significantly affected buccal bone and gingival tissue thickness, especially in proclined teeth.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.