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- Title
Long-term stability of dentoalveolar, skeletal, and soft tissue changes after non-extraetion treatment with a self-ligating system.
- Authors
Basciftci, Faruk Ayhan; Akin, Mehmet; Ileri, Zehra; Bayram, Sinem
- Abstract
Objective: To evaluate the long-term effects of self-ligating brackets (SLBs) on transverse dimensions of arches and skeletal and soft tissues and to quantitatively evaluate the treatment outcome after non-extraction treatment with SLBs. Methods: The sample consisted of 24 (18 female and six male) subjects, with a mean age of 14.23 ± 2.19 years, who received treatment with the Damon®3 appliances. Complete records including cephalometric radiographs and plaster models were obtained before treatment (T1), immediately after treatment (T2), six months after treatment (T3), and two years (T4) after treatment. Digital study models were generated. Twenty lateral cephalometric, six frontal cephalometric, and eight dental cast measurements were examined. The Peer Assessment Rating index was used to measure the treatment outcome. The Wilcoxon test was applied for statistical analysis of the changes. Results: There were significant increases in all transverse dental cast measurements with active treatment. There was some significant relapse in the long term, particularly in maxillary width (p < 0.05). Statistically significant increases were found in nasal (p < 0.001), maxillary base, upper molar, lower intercanine, and antigonial (p < 0.05) widths in TI-T2. Lower incisors were proclined and protruded in T1-T2. Conclusions: SLBs correct crowding by mechanisms involving incisor proclination and protrusion and expansion of the dental arches, without induction of clinically significant changes in hard and soft tissues of the face.
- Subjects
DENTAL extraction; BRACKETS; CEPHALOMETRY; DENTAL radiography; TISSUE analysis; INCISORS; DENTAL arch
- Publication
Korean Journal of Orthodontics, 2014, Vol 44, Issue 3, p119
- ISSN
2234-7518
- Publication type
Article
- DOI
10.4041/kjod.2014.44.3.119