Fonksiyonel Düzenleyici (FR III, FR IV)

Işiksal, Erdal; Seçkin, O

doi:10.13076/1300-3550-3-1-150

Cited by 2 publications

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“…Numerous studies have been carried out to evaluate dentoskeletal and soft tissue changes in sagittal direction, and a great number of them supported the idea that the FR-3 appliance therapy produced a favourable growth effect on the maxilla and surrounding soft tissue structures (Fränkel, 1970;McNamara and Huge, 1985;Kohmura et al,1986;Aytan et al, 1989;Isiksal and Seckin, 1990;Miethke et al, 2003;Falck and Zimmermann-Menzel, 2008;Levin et al, 2008;Kilic et al, 2010). However, the studies on transversal dentoalveolar changes are limited in number, and according to their findings, favourable dentoalveolar effects can be obtained with the FR-3 appliance therapy (Firatli and Ulgen, 1996;Miethke et al, 2003;Kalavritinos et al, 2005).…”

Section: Figurementioning

confidence: 99%

Effects of the functional regulator III on transversal changes: a postero-anterior cephalometric and model study

Kılıç

Çelikoğlu

Oktay

2010

The European Journal of Orthodontics

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Studies assessing the transversal treatment changes caused by the functional regulator III (FR-3) are limited in number. This clinical study was planned to analyse the transversal effects of the FR-3 appliance therapy. The treatment group consisted of 17 patients (8 males and 9 females) with Class III malocclusion, who were treated with the FR-3 appliance. The control group consisted of 17 subjects (7 males and 10 females) with a normal occlusion. Mean ages of the subjects were 10.73 and 10.66 years in the treatment and control groups, respectively. Postero-anterior radiographs and stone casts were obtained before (T1) and after (T2) treatment/observation. The results of the Student's t-test comparing initial values showed that maxillary dentoalveolar and skeletal widths are significantly larger in the control group than those in the treatment group. At the end of the treatment, significant transverse increments occurred only at the dentoalveolar level of the maxilla. The transversal changes in the mandible were not statistically significant. Buccal shields of FR-3 did not stimulate the growth of maxillary apical base but caused an enhanced and supplementary widening of maxillary dental and alveolar structures.

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Section: Figurementioning

confidence: 99%

Effects of the functional regulator III on transversal changes: a postero-anterior cephalometric and model study

Kılıç

Çelikoğlu

Oktay

2010

The European Journal of Orthodontics

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Effects of the functional regulator III on profile changes in subjects with maxillary deficiency

Kılıç

Çelikoğlu

Oktay

2010

The European Journal of Orthodontics

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The aim of this study was to determine the hard and soft tissue profile changes in Class III malocclusion subjects following functional regulator III (FR-3) treatment. The material comprised the cephalometric films of 15 patients (11 males and four females; mean ages 10.22 and 10.44 years, respectively) with a Class III malocclusion and a concave profile treated with the FR-3, and a control group of 15 subjects (11 males and four females; mean ages 10.39 and 10.27 years, respectively) with a Class I malocclusion matched for chronological age and observation period with the study group. Fourteen linear and seven angular measurements were measured on the cephalometric films taken before (T1) and after (T2) treatment/observation. The results of the Student's t-test showed that the treatment group had a concave facial profile when compared with the controls. At the end of treatment, the maxilla and surrounding soft tissues showed significant anterior movement (P < 0.001 and P < 0.01, respectively), whereas mandibular growth was restricted. The vertical dimensions increased, the upper incisors proclined, and the lower incisors retroclined significantly (P < 0.001). The FR-3 appliance produced significant improvements in the hard and soft tissues of Class III subjects with a concave profile.

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Fonksiyonel Düzenleyici (FR III, FR IV)

Cited by 2 publications

References 0 publications

Effects of the functional regulator III on transversal changes: a postero-anterior cephalometric and model study

Effects of the functional regulator III on transversal changes: a postero-anterior cephalometric and model study

Effects of the functional regulator III on profile changes in subjects with maxillary deficiency

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