Search Results
Results 401 - 450 of 1958
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Germec-Cakan Derya - - 2010
INTRODUCTION: The aim of this study was to compare dental arch-width and perimeter changes in patients with borderline Class I occlusion, treated with extractions or without extractions with air-rotor stripping (ARS). METHODS: The study was conducted with 26 sets of pretreatment and posttreatment dental models of patients with borderline Class ...
Okazaki Kumiko - - 2010
This study investigated the change in interproximal force (IPF) in mandibular anterior teeth during retention and the relationship between the irregularity index before orthodontic treatment and the IPF. The effect that an erupting third molar had on IPF was also examined. Forty treated patients (40 with extraction of four bicuspids) ...
Kim Jae-Seung - - 2010
PURPOSE: To investigate the difference in the pharyngeal airway after sagittal split ramus osteotomy (SSRO) procedures between male and female patients with Class III malocclusion. MATERIALS AND METHODS: In the present study, 30 male and 47 female Korean patients were studied. All were diagnosed with Class III malocclusion and had ...
Wang Yu-Chih - - 2010
PURPOSE: To investigate transverse dimensional changes of dental arches in surgical skeletal Class III patients with and without presurgical orthodontics. MATERIALS AND METHODS: Thirty-six patients with skeletal Class III were included and grouped into those with or without presurgical orthodontics. Eighteen patients (mean age, 22.3 +/- 3.8 years) with presurgical ...
Hibi Hideharu - - 2010
PURPOSE: The aim of this retrospective study was to determine the success rate of an orthodontic skeletal anchorage system consisting of a locking plate and 2 self-drilling screws to intrude the upper molars and detect factors that contribute to its stability. PATIENTS AND METHODS: The subjects were 32 orthodontic and ...
Isci Devrim - - 2010
The aim of this study was to evaluate and compare the dentofacial effects of 1 week rapid palatal expansion (RPE) and activation-deactivation (A/D) RPE protocols with reverse headgear (RH). Two groups, each containing 15 subjects, were included in this study. In the RPE group (seven males and eight females, 11.94 ...
Ow A - - 2010
The aim of this study was to conduct a prospective clinical trial comparing the neurosensory function of the inferior alveolar nerve (IAN) after mandibular advancement surgery with either bilateral sagittal split osteotomies (BSSO) or mandibular distraction ostoegenesis (MDO). 23 Class II mandibular hypoplasia patients requiring mandibular advancement were randomized into ...
Papadopoulos Moschos A - - 2010
INTRODUCTION: The aim of this study was to evaluate the treatment effects of the First Class Appliance (FCA) (Leone, Firenze, Italy) used for the distalization of maxillary first molars in patients with Class II malocclusion and mixed dentition. METHODS: According to the results of the power analysis for sample size ...
Latief B S - - 2010
OBJECTIVES: To study maxillary arch width in adult patients with bilateral cleft lip and alveolus (BCLA) or with complete bilateral cleft lip and palate (BCLP), who have not had any surgery. SETTING AND SAMPLING POPULATION: Eighteen patients with BCLA, 13 patients with BCLP, and 24 controls from remote areas of ...
Di Palma Elena - - 2010
AIM: To compare the influence of occlusal versus craniofacial characteristics on the functionality of the stomatognathic apparatus. MATERIALS AND METHODS: Two groups of subjects were selected: 27 patients (13 women and 14 men), 18 to 42 years old, all candidates for orthognathic surgery, 7 with prognathic syndrome and 20 with ...
Yazdani Javad - - 2010
BACKGROUND: Mandibular setback for the treatment of mandibular prognathism is a common orthogenetic surgical procedure carried out using various intraoral and extraoral methods. Reduced mandibular movement range (MMR) is one of the common complications of this surgery. OBJECTIVES: The aim of this study was to compare the reduction of MMR ...
Davis Charles - - 2010
INTRODUCTION: Spring cranioplasty is used in selected cases of craniosynostosis. A rabbit model was used to determine (1) if cranial biomechanics modify the expected rate of spring expansion, (2) the residual spring force in situ after cranial expansion, and (3) if the spring weakens during clinical use. MATERIALS AND METHODS: ...
Gokalp Hatice - - 2010
OBJECTIVE: To compare the effects of late orthopedic therapy with orthognathic surgery in skeletal class III cases. MATERIALS AND METHODS: The subjects of the study were divided into 2 groups. Group 1 comprised 15 patients (8 females and 7 males) with a mean age of 14 years 6 months (range, ...
Papadopoulos Moschos A - - 2010
INTRODUCTION: The aim of this study was to evaluate the treatment effects of the First Class Appliance (FCA) (Leone, Firenze, Italy) used for the distalization of maxillary first molars in patients with Class II malocclusion and mixed dentition. METHODS: According to the results of the power analysis for sample size ...
Kim Minji - - 2010
OBJECTIVE: To investigate the 3-dimensional (3D) changes in the soft tissue after mandibular setback surgery (MSS). STUDY DESIGN: Thirty-three skeletal class III malocclusion (SCIII) patients treated with MSS (bilateral sagittal split ramus osteotomy) were subdivided according to extent of MSS, vertical skeletal pattern (VP), and vertical-reduction genioplasty. Lateral cephalograms and ...
Smithpeter Joann - - 2010
INTRODUCTION: Closure and long-term retention of anterior open bites are significant concerns for orthodontists and their patients. In this study, we investigated the efficacy of orofacial myofunctional therapy (OMT) for maintaining closure of open bites in conjunction with orthodontic treatment. METHODS: The sample included 76 subjects with dental anterior open ...
Derech Carla D'Agostini - - 2010
INTRODUCTION: The purpose of this study was to evaluate palatal contours in nonextraction orthodontic treatment and long-term stability in patients with Class II Division 1 malocclusions. METHODS: Data were obtained from maxillary study models before treatment, after treatment, and at least 5 years postretention. Data were collected with a digital ...
Chen J - - 2010
One-step transport-disk distraction osteogenesis (TDDO) is effective for repairing segmental mandibular defects. The authors studied whether it was effective for reconstructing angled large mandibular defects using a two-step TDDO procedure in seven patients suffering from neoplasm. In the two-step TDDO procedure, the first distraction (horizontal distraction) was initiated immediately after ...
van Loon B - - 2010
In cleft lip and palate patients the shape of the nose invariably changes in three dimensions (3D) due to rhinoplastic surgery. The purpose of this study was to evaluate stereophotogrammetry as a 3D method to document volumetric changes of the nose in patients with a cleft lip (CL) or cleft ...
Daimaruya Takayoshi - - 2010
PURPOSE: The purpose of this study was to investigate the changes in and stability of the maxilla and soft tissue profile achieved after the application of distraction osteogenesis (DO) by use of rigid external distraction (RED) with a retention plate system in unilateral cleft lip and palate (UCLP) adult patients. ...
Miloro Michael - - 2010
PURPOSE: Mandibular retrognathia may cause upper airway obstruction in the pediatric patient due to tongue collapse and physical obstruction in the hypopharyngeal region. Mandibular distraction osteogenesis (DO) may be a useful treatment option to avoid tracheostomy. This study reviews 35 patients who underwent DO as treatment for concomitant jaw discrepancy ...
Chua H D P - - 2010
This clinical randomized controlled trial was performed to compare the effects of distraction osteogenesis (DO) and conventional orthognathic surgery (CO) on velopharyngeal function and speech outcomes in cleft lip and palate (CLP) patients. Twenty-one CLP patients who required maxillary advancement ranging from 4 to 10 mm were recruited and randomly ...
Joss Christof Urs - - 2010
PURPOSE: The purpose of the present systematic review was to evaluate the soft tissue/hard tissue ratio in bilateral sagittal split advancement osteotomy (BSSO) with rigid internal fixation (RIF) or wire fixation (WF). MATERIALS AND METHODS: The databases PubMed, Medline, CINAHL, Web of Science, Cochrane Library, and Google Scholar Beta were ...
Souki Bernardo Q - - 2010
OBJECTIVE: The aim of this 1 year follow-up study was to investigate, in mouth breathing children, the impact of respiration normalization on vertical dentofacial growth during two stages of dental development after adeno-/tonsillectomy. METHOD: Linear and angular cephalometric measurements, as well as tracing superimposition of serial lateral cephalograms of 39 ...
Reddy Srinivas Gosla - - 2010
The incision design for correcting a unilateral cleft lip is important because all subsequent stages of surgery depend on the access and maneuverability of the incision. This prospective cohort study compares the aesthetic and functional outcomes of three different skin incisions for primary unilateral cleft lip repair. Patients with complete ...
Boeck Eloísa Marcantônio - - 2010
The treatment of Class II adult individuals with mandibular deficiency has been the combination of orthodontic treatment and orthognathic surgery. Therefore, a study was conducted in which cephalometric analysis was used to evaluate the influence of dentoalveolar decompensation in Class II patients submitted to orthodontic and surgical treatment for mandibular ...
Yilmaz Güney - - 2010
STUDY DESIGN: Experimental study. OBJECTIVE: The aim of this study is to evaluate the vertebral body growth under distraction forces in immature pigs treated with growing rod (GR) technique. SUMMARY OF BACKGROUND DATA: Distraction forces applied on growth plate of appendicular skeleton stimulate longitudinal growth. However, the effect of distraction ...
Carvalho Felipe de Assis Ribeiro Fde A Department of Orthodontics, School of Dentistry, State University of Rio de Janeiro, Rio de Janeiro, - - 2010
This prospective observational study evaluated changes in the 3-dimensional position and remodeling of the mandibular rami, condyles, and chin at splint removal and 1 year after mandibular advancement surgery. Presurgery, splint removal (4-6 weeks postsurgery), and 1-year postsurgery cone-beam computed tomography scans of 27 subjects were used. Superimposition on the ...
Atalay Zeynep - - 2010
The aim of this study was to evaluate the dentofacial effects of a modified tandem traction bow appliance (modified TTBA) in skeletal Class III subjects, and the effect of age on treatment response. The material consisted of the pre-treatment/pre-observation and post-treatment/post-observation lateral cephalograms and hand-wrist films of 45 children with ...
Spiller Henry A - - 2010
In 2001, a new antivenin was introduced to the United States and became widely available in the snakebite season of 2002. We investigated what impact this may have had on snakebite treatment and medical outcome. METHOD: The study used a retrospective review of all snakebites to humans reported to the ...
Chua Hannah Daile P - - 2010
OBJECTIVE: The objective of this study was to compare the long-term stability of distraction osteogenesis (DO) and conventional orthognathic surgery (CO) in patients with cleft lip and palate (CLP). STUDY DESIGN: CLP patients requiring maxillary advancement of 4 to 10 mm were randomized and assigned to either CO or DO. ...
Acar Ahu Güngör - - 2010
The aim of this study was to evaluate the dentoalveolar effects of a pendulum appliance supported buccally by a K-loop, and to compare these with a cervical headgear (CHG) group. The records of 30 patients with skeletal Class I and dental Class II malocclusions were divided in to two groups: ...
Tanikawa Chihiro - - 2010
Abstract Objectives: To measure and compare three-dimensional lip form in participants with a repaired cleft lip and noncleft control participants. Design: Retrospective study. Three-dimensional facial images of each participant were obtained. Participants: The sample consisted of two groups: a repaired cleft lip group (n  =  57) and a noncleft "normal" ...
Meling Torstein R - - 2011
We have compared distraction by monobloc and LeFort III osteotomy in the treatment of midfacial retrusion. We treated 14 patients with midface distraction (Crouzon syndrome (n=9), Apert disease (n=3), and other (n=2)), 7 of whom had monobloc distraction and 7 who had LeFort III osteotomy. We compared duration of operation, ...
Ysunza Antonio - - 2010
BACKGROUND: The controversy about timing of cleft palate repair has been focused on early closure for improved speech versus delayed repair for enhancing maxillary growth. Early palatal repair enhances phonological development decreasing the frequency of articulation disorders associated with velopharyngeal insufficiency (VPI). In contrast, it has been described that early ...
Kim Young Ho - - 2010
PURPOSE: The purpose of the present study was to investigate the correlations between lip cant change after bimaxillary orthognathic surgery and the ratio of lip cant change and occlusal cant change after surgery. PATIENTS AND METHODS: The subjects for the present study were obtained from a group of 25 patients ...
Ero?lu Tamer - - 2010
PURPOSE: To evaluate the success of zygomatic plate-screw anchorage and to define the key points that help to improve the success of this system. MATERIALS AND METHODS: A total of 74 zygomatic plate-screw anchors were applied to 37 patients from 2 groups receiving orthodontic treatment. The first group consisted of ...
Greco M - - 2010
AIM: The aim of this retrospective study was to analyse the effectiveness of Andresen appliance in inducing an increased mandibular dimension and, above all, to test the "null" hypotesis that the patients' vertical skelettofacial morfology could influence this increase using the Ricketts' method of VERT. METHODS: Cephalometric records of 42 ...
Volk Tonya - - 2010
INTRODUCTION: Palatal expanders have been advocated for spontaneous correction of some Class II malocclusions. However, little research has been done to determine whether correction or improvement actually occurs with expansion. Past research has not shown whether an anterior functional shift is achieved in patients who have Class II improvement. The ...
Sade Hoefert Claudia - - 2010
AIM: Rapid Maxillary Expansion (RME) and Delaire facemask are a well-established treatment method for patients with cleft lip and palate and Class III malocclusion. Several roentgenocephalometric studies on skeletal effects of this therapy are known. However, there are no systematic studies on soft tissue changes. The aim of this study ...
Ferguson James William - - 2010
OBJECTIVE: To determine the effectiveness of fixed appliance treatment in achieving planned sagittal molar positions, and to assess the stability of the resulting changes. DESIGN: Cohort study. SETTING: District General Hospital Orthodontic Department, UK. PARTICIPANTS: Patients undergoing fixed appliance treatment involving extractions (n = 250). METHODS: Consecutive patients completing treatment ...
McNamara James A - - 2010
ABSTRACT Objective: To prospectively measure occlusal changes in mixed dentition patients who underwent a standardized early expansion protocol. Materials and Methods: The treatment sample consisted of 500 patients who were assigned to three groups according to molar relationship: Class I (n = 204), end-to-end (n = 166), and Class II ...
Kuroda Yasuko - - 2010
ABSTRACT Objective: To evaluate the treatment effects of high-pull J-hook headgear on the lower dental arch in nongrowing Class III patients. Materials and Methods: Fourteen nongrowing Class III patients having an Angle Class III malocclusion and ANB angle of less than 1.0 degree, were treated with high-pull J-hook headgear to ...
Kurt Gökmen - - 2010
INTRODUCTION: The aim of this study was to compare changes in soft-palate morphology and nasopharyngeal relations after orthopedic rapid maxillary expansion (RME) and surgically assisted RME (SARME). METHODS: A group of 10 patients received RME, a second group of 10 patients received SARME, and a third group of 10 patients ...
Klatt Jan - - 2010
PURPOSE: The surgical approaches for the open treatment of condylar process fractures have been controversial. In our study, we evaluated the morbidity of the transparotid approach during 2 years of follow-up. PATIENTS AND METHODS: A total of 48 patients with condylar process Class II and IV fractures according to classification ...
Zuroff Jay P - - 2010
INTRODUCTION: The postretention stability of open-bite treatment is a controversial topic in orthodontics. METHODS: In this study, the lateral cephalometric radiographs of 64 patients treated with orthodontics alone were evaluated to determine the amount of postretention change. The mean postretention interval was 14 years. The sample was divided into 3 ...
Park Hyunjung - - 2010
ABSTRACT Objective: To evaluate differences in long-term postretention changes between adolescents and adults. Materials and Methods: The sample included 96 subjects, 51 adolescents and 45 adults (14.2 +/- 0.8 and 21.5 +/- 6.8 years of age, respectively, at the end of treatment) retained for 3 years and followed approximately 16 ...
Collette James - - 2010
PURPOSE: The purpose of this clinical study was to compare the patient preference for and the time of sealant placement using the isolite system (IS) vs cotton roll isolation (CRI). METHODS: A convenience sample of children whose mean age was 9.0(+/-2.3) years was selected. Sealants were placed bilaterally on the ...
Sabri Roy - - 2010
This article describes the nonextraction treatment of a girl in the late mixed dentition with a severe arch-length deficiency. Rapid maxillary expansion and molar distalization were combined with a lip bumper in the mandible, followed by fixed appliances. Although the literature has reported a high rate of relapse with this ...
Islam Rafiqul - - 2010
ABSTRACT Objectives: To test the hypothesis that there is no difference in the morphology of the lips and to determine the degree of improvement in the smile after orthognathic surgery for Class III malocclusion. Materials and Methods: The sample subjects included 30 adult female patients with dento-skeletal Class III malocclusion ...
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