U.S., Feb. 18 -- ClinicalTrials.gov registry received information related to the study (NCT07414264) titled 'Ultrasonographic Evaluation of Periodontal Effects of Fixed Retainers' on Feb. 09.

Brief Summary: This prospective clinical study aims to evaluate the effects of fixed lingual retainers placed after orthodontic treatment on periodontal soft and hard tissue parameters using ultrasonographic imaging. A total of 53 participants (636 anterior teeth) who had completed fixed orthodontic therapy were examined at baseline, 3 months, and 6 months after retainer placement. Ultrasonographic assessments were performed to measure gingival thickness, marginal bone level, and gingival level. Periodontal clinical parameters, including plaque index,...