What does this research mean for the field?

Clear aligner treatment in pediatric patients with mixed dentition produces favorable and stable coronal migration of the gingival margin without significant adverse periodontal effects. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate gingival margin modifications, their relationship to specific tooth movements, and their long-term stability in pediatric patients undergoing clear aligner orthodontic treatment.

August 27, 2026Applied SciencesOpen Access

Longitudinal Evaluation of Gingival Margin Modifications During Treatment with Clear Aligners: A Retrospective Clinical Study in Growing Patients

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Authors

MCMarco ClementiniSaint Camillus International University of Health and Medical Sciences CPChiara PavoniSaint Camillus International University of Health and Medical Sciences FGFrancesca GazzaniSaint Camillus International University of Health and Medical Sciences

Discussion

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Implication

Retrospective clinical study reveals favorable, stable gingival margin height increases in pediatric patients treated with clear aligners, indicating minimal adverse periodontal impact.

Key Points

To evaluate gingival margin modifications, their relationship to specific tooth movements, and their long-term stability in pediatric patients undergoing clear aligner orthodontic treatment.
Retrospective clinical study of 50 pediatric patients (26 females, 24 males; mean age 7.6 ± 1.1 years) in mixed dentition treated with clear aligners and attachments for expansion, intrusion, and rotation.
Assessed intraoral scans, clinical photographs, and periodontal indices across four time points: baseline (T0), 6 months (T1), post-treatment (T2), and 12 months post-treatment (T3).
Gingival margin height increased significantly from baseline at T1 (+0.29 mm), T2 (+0.44 mm), and T3 (+0.39 ± 0.22 mm, p ≤ 0.001), with 60% of patients exhibiting coronal migration.
Dental expansion generated the greatest gingival change (+0.52 mm), followed by dental intrusion (+0.45 mm).
Gingival Index exhibited a transient, non-significant increase at T1 before normalizing at T2 (p = 0.481) and T3 (p = 0.637), while Plaque Index remained stable throughout.

Cite This Study

Clementini et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe99110c91c1e92621291 https://doi.org/10.3390/app16178445

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Implication

Retrospective clinical study reveals favorable, stable gingival margin height increases in pediatric patients treated with clear aligners, indicating minimal adverse periodontal impact.

Longitudinal Evaluation of Gingival Margin Modifications During Treatment with Clear Aligners: A Retrospective Clinical Study in Growing Patients

Discussion

Member takes

Implication

Key Points

Cite This Study

Longitudinal Evaluation of Gingival Margin Modifications During Treatment with Clear Aligners: A Retrospective Clinical Study in Growing Patients

Discussion

Member takes

Implication

Key Points

Cite This Study

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