Evaluation of periodontal parameters and gingival crevicular fluid cytokines in children with anterior open bite receiving passive orthodontic treatment with a spur
dos Anjos Tou Gabriel Antonio, Diniz Ivana Marcia Alves, Mesquita Ricardo Alves, Yamauti Monica, Ferreira Marcus Vinicius Lucas, Macari Soraia,
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( dos Anjos Tou Gabriel Antonio ) - Federal University of Minas Gerais Department of Restorative Dentistry
( Diniz Ivana Marcia Alves ) - Federal University of Minas Gerais Department of Restorative Dentistry
( Mesquita Ricardo Alves ) - Federal University of Minas Gerais Faculty of Dentistry Department of Oral Pathology and Surgery
( Yamauti Monica ) - Hokkaido University Faculty of Dental Medicine Department of Restorative Dentistry
( Ferreira Marcus Vinicius Lucas ) - Federal University of Minas Gerais Department of Restorative Dentistry
( Macari Soraia ) - Federal University of Minas Gerais Department of Restorative Dentistry
Abstract
Objective: To evaluate clinical parameters and gingival crevicular fluid (GCF) cytokines in children with anterior open bite receiving passive orthodontic treatment with spurs.
Methods: Twenty children with indications for interceptive orthodontic treatment, an anterior open bite, and good oral hygiene and periodontal health were included in this study. GCF samples were collected from the mandibular and maxillary central incisors before (baseline) and 24 hours and 7 days after spur bonding. Clinical and periodontal examinations and cytokine analyses were performed.
Results: At 7 days after spur attachment, gingival bleeding in the mandibular group was increased relative to that in the maxillary group. Visible plaque was correlated with gingival bleeding at 7 days and the GCF volume at 24 hours after spur attachment. Compared with those at baseline, interleukin (IL)-8 levels in the maxillary group and IL-1β levels in both tooth groups increased at both 24 hours and 7 days and at 7 days, respectively. At 24 hours, IL-8, IL-1β, and IL-6 levels were higher in the maxillary group than in the mandibular group. Cytokine production was positively correlated with increased GCF volume, but not with gingival bleeding, visible plaque, or probing depth.
Conclusions: Although orthodontic treatment with spurs in children resulted in increased gingival bleeding around the mandibular incisors, IL levels were higher around the maxillary incisors and not correlated with periodontal parameters. Increased cytokine levels in GCF may be associated with the initial tooth movement during open bite correction with a passive orthodontic appliance in children.
키워드
Passive orthodontic treatment; Cytokines; Gingival crevicular fluid; Open bite
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