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Updated: Feb 12, 2026

Murine Model of Advanced Periodontitis Induced by Nylon Ligature in the Second Upper Molar
Published on: May 30, 2025
Orthodontic treatment in patients with aggressive periodontitis
Cássio Volponi Carvalho1, Luciana Saraiva1, Flávio Paim Falcão Bauer2
1Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo, Brazil.
Introduction:
Aggressive periodontitis (AP) is a condition that promotes breakdown of the periodontal tissues in a short time. In severe cases, pathologic migration of teeth and tooth loss can occur, producing esthetic and functional problems for the patient. Orthodontic treatment may be recommended to restore esthetics and masticatory function. We assessed the effects of orthodontic movement in the periodontal tissues of treated patients with AP.
Methods:
Ten subjects (ages 25.0 ± 5.22 years) with AP received periodontal treatment followed by orthodontic treatment. Maintenance sessions were performed monthly under a strict dental biofilm control. They were compared with 10 periodontally healthy subjects (ages 22.9 ± 5.23 years) who received orthodontic treatment. Probing pocket depth, clinical attachment level, bleeding on probing, and dental plaque index were measured at baseline, after orthodontic treatment, and after 4 months.
Results:
Statistical analysis showed improvement in all clinical parameters between baseline and 4 months after orthodontic treatment: probing pocket depth (0.29 mm), clinical attachment level (0.38 mm), bleeding on probing (4.0%), and dental plaque index (11%).
Conclusions:
The periodontal parameters of the AP patients remained stable during orthodontic treatment under strict biofilm control.
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