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First received: June 06, 2026

Clinical Trial: Marginal Biofilm Distribution and Periodontal Response to Supragingival and Juxtagingival Aligner Designs

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Periodontal Diseases
Dental Plaque
Gingivitis

Study Type: INTERVENTIONAL


Official Title: Marginal Biofilm Distribution and Periodontal Response to Supragingival and Juxtagingival Aligner Designs: A Prospective Split-Mouth Clinical Study

Brief Summary: * This prospective, longitudinal, within-person (split-mouth) clinical study evaluates the influence of two clear aligner trimming-line designs on marginal soft-tissue biofilm distribution and periodontal tissue response over a six-month period.* Two trimming-line designs are compared. The supragingival design has a straight, horizontal edge that extends approximately 2 mm onto the marginal gingiva, resting in direct contact with the gingival surface but not entering the gingival sulcus. The juxtagingival design…

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