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9 papers found.
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Posterior teeth angulation in non-extraction and extraction treatment of anterior open-bite patients

Backgound This study cephalometrically evaluated the posterior teeth angulation changes of anterior open-bite non-extraction and extraction treatment in the permanent dentition, with anterior vertical elastics. Methods The sample consisted of initial and final lateral headfilms of 60 patients divided into 2 groups: Group 1 consisted of 30 patients treated with non-extraction with...

Force level of small diameter nickel-titanium orthodontic wires ligated with different methods

Background The aim of this study was to compare the deflection force in conventional and thermally activated nickel-titanium (NiTi) wires in passive (Damon Q) and active (Bioquick) self-ligating brackets (SLB) and in conventional brackets (CB) tied by two different methods: elastomeric ligature (EL) and metal ligature (ML). Methods Two wire diameters (0.014 and 0.016 in.) and 10...

Stability of class II subdivision malocclusion treatment with 3 and 4 premolar extractions

Background The purpose of this study was to compare the occlusal stability of class II subdivision malocclusion treatment with 3 and 4 first premolar extractions. A sample of 156 dental casts from 52 patients with class II subdivision malocclusion was divided into two groups according to the extraction protocol. Group 1 comprised 24 patients treated with 3 premolar extractions...

Frequency evaluation of different extraction protocols in orthodontic treatment during 35 years

Background Studies that show frequencies of different orthodontic treatment protocols can be used as valuable parameters in the interpretation of treatment tendency with time. The purpose of this retrospective study was to evaluate all orthodontic treatment planning conducted at the Orthodontic Department at Bauru Dental School, University of São Paulo, Brazil, since 1973, in...

External root resorption with the self-ligating Damon system—a retrospective study

Background The aim of this study was to compare the degree of external apical root resorption (EARR) in patients treated with self-ligating Damon appliances and with conventional preadjusted appliances. Methods The sample comprised 52 patients, divided into two groups. Group 1 consisted of 25 patients treated with self-ligating Damon appliances, with an initial age of 16.04 years...

Association between tooth size and interarch relationships in children with operated complete unilateral cleft lip and palate

Background To evaluate mesiodistal tooth width of patients with UCLP comparing tooth size in different Goslon Yardstick scores and between cleft and noncleft sides. Methods The Department of Orthodontics at Bauru Dental School and Hospital of Rehabilitation of Craniofacial Anomalies – University of Sao Paulo. Hundred forty-four pairs of dental casts of patients with UCLP. These...

Class III Malocclusion Surgical-Orthodontic Treatment

The aim of the present case report is to describe the orthodontic-surgical treatment of a 17-year-and-9-month-old female patient with a Class III malocclusion, poor facial esthetics, and mandibular and chin protrusion. She had significant anteroposterior and transverse discrepancies, a concave profile, and strained lip closure. Intraorally, she had a negative overjet of 5 mm and...

Treatment effects of the Jasper Jumper and the Bionator associated with fixed appliances

Leniana Santos Neves Guilherme Janson Rodrigo Hermont Canado 0 Karina Jernimo Rodrigues Santiago de Lima Thas Maria Freire Fernandes Jos Fernando Castanha Henriques 0 Department of Orthodontics, Ing