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Angle Orthodontist

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https://www.readbyqxmd.com/read/29782202/extraversion-and-openness-to-experience-moderate-the-relationship-between-orthodontic-treatment-need-and-oral-health-related-quality-of-life-in-adolescents-a-cross-sectional-study
#1
Cihan Aydoğan
OBJECTIVE: To investigate the effects of personality traits to moderate the relationships between orthodontic treatment need and oral health-related quality of life (OHRQoL) in adolescents. MATERIALS AND METHODS: A cross-sectional study was performed that included 230 subjects (125 girls and 105 boys) aged 11-14 years. Orthodontic treatment need was measured using the Index of Complexity, Outcome and Need (ICON). The Child Perceptions Questionnaire, the Basic Personality Traits Inventory (BPTI), and the Revised Life Orientation Test were used to assess the OHRQoL, basic personality dimensions, and dispositional optimism respectively...
May 22, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29782201/positional-and-dimensional-temporomandibular-joint-changes-after-correction-of-posterior-crossbite-in-growing-patients-a-systematic-review
#2
Mohamed T Ellabban, Ahmed I Abdul-Aziz, Mona M Salah Fayed, Mai H AboulFotouh, Ehab S Elkattan, Mushira M Dahaba
OBJECTIVE: To elucidate the positional and dimensional temporomandibular joint (TMJ) changes after correction of posterior crossbite in growing patients. MATERIALS AND METHODS: A systematic unrestricted search was done in six databases until June 27, 2017. A manual search in the reference lists of the included studies and gray literature was also performed. The eligibility criteria included randomized controlled trials and prospective nonrandomized controlled clinical trials and a sample of growing subjects with posterior crossbite that required maxillary expansion...
May 22, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29782200/impact-of-pediatric-obstructive-sleep-apnea-on-the-development-of-class-ii-hyperdivergent-patients-receiving-orthodontic-treatment-a-pilot-study
#3
Tingting Zhao, Peter Ngan, Fang Hua, Jie Zheng, Shunquan Zhou, Man Zhang, Hui Xiong, Hong He
OBJECTIVES: To conduct a pilot study to determine if the presence of obstructive sleep apnea (OSA) influences the orthodontic treatment outcome of Class II hyperdivergent patients receiving comprehensive orthodontic treatment. MATERIALS AND METHODS: Patients between the ages of 12 and 14 who received orthodontic treatment at the Hospital of Stomatology, Wuhan University, China, were included in this study. Patients were divided into two groups: the OSA group and the control group, based on the outcome of pretreatment polysomnography findings and lateral cephalometric radiograph examination...
May 22, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29761707/evaluation-of-the-load-system-produced-by-a-single-intrusion-bend-in-a-maxillary-lateral-incisor-bracket-with-different-alloys
#4
Ricardo Lima Shintcovsk, Roberto Soares da Silva, Larry White, Lidia Parsekian Martins, Renato Parsekian Martins
OBJECTIVES: To evaluate if a 0.5-mm vertical bend applied on an incisor bracket produces movements in other planes and if different wires influence these effects. MATERIALS AND METHODS: An acrylic model of a treated patient with brackets passively bonded was attached to an Orthodontic Force Tester, and a load cell was attached to the left lateral incisor. Thirty 0.019 × 0.025-inch archwires were divided into three groups according to their alloy: SS (stainless steel), B-Ti (beta-titanium), and MF (beta-titanium wire coated with nickel-titanium)...
May 15, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29761706/genotoxic-and-cytotoxic-effects-of-haas-appliance-in-exfoliated-buccal-mucosa-cells-during-orthodontic-treatment
#5
Arthur S Cunha, Willian Orlando Castillo, Catarina Satie Takahashi, Erika Calvano Küchler, Raquel Assed Bezerra Segato, Léa Assed Bezerra da Silva, Fábio Lourenço Romano, Mírian Aiko Nakane Matsumoto, Paulo Nelson-Filho
OBJECTIVES: To evaluate the genotoxic and cytotoxic effects of Haas appliances through micronuclei test and cytogenetic damage analysis in buccal mucosa epithelial cells of patients undergoing orthodontic treatment. MATERIALS AND METHODS: Twenty-eight patients, 6-12 years of age and of both genders, who required a Haas appliance for the correction of a posterior crossbite were included. Epithelial cells from the mucosa were collected by gently scraping the inside of both the right and left cheeks...
May 15, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29717632/ribbon-wise-customized-lingual-appliance-and-orthodontic-anchor-screw-for-the-treatment-of-skeletal-high-angle-maxillary-protrusion-without-bowing-effect
#6
Toru Inami, Goshi Ito, Ken Miyazawa, Masako Tabuchi, Shigemi Goto
This case report demonstrates the treatment of a skeletal Class II high-angle adult patient with bimaxillary protrusion, angle Class I occlusion, and crowded anterior teeth. A ribbon-wise arch wire and a customized lingual appliance with anterior vertical slots were used to achieve proper torque control of the maxillary anterior teeth. An orthodontic anchor screw and a palatal bar were used for vertical control to avoid increasing the Frankfort-mandibular plane angle (FMA) by maxillary molar extrusion. Through the combined use of the ribbon-wise customized lingual appliance, palatal bar, and orthodontic anchor screw, vertical control and an excellent treatment result were achieved without the vertical and horizontal bowing effects peculiar to conventional lingual treatment...
May 2, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29714068/effects-of-different-force-magnitudes-on-corticotomy-assisted-orthodontic-tooth-movement-in-rats
#7
Kriangkrai Kraiwattanapong, Bancha Samruajbenjakun
OBJECTIVES: To investigate the effects of light and heavy forces with corticotomy on tooth movement rate, alveolar bone response, and root resorption in a rat model. MATERIALS AND METHODS: The right and left sides of 40 male Wistar rats were randomly assigned using the split-mouth design to two groups: light force with corticotomy (LF) and heavy force with corticotomy (HF). Tooth movement was performed on the maxillary first molars using a nickel-titanium closed-coil spring delivering either 10 g (light force) or 50 g (heavy force)...
May 1, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29714067/class-iii-malocclusion-and-bilateral-cross-bite-in-an-adult-patient-treated-with-miniscrew-assisted-rapid-palatal-expander-and-aligners
#8
Luca Lombardo, Antonella Carlucci, Bortolo Giuliano Maino, Anna Colonna, Emanuele Paoletto, Giuseppe Siciliani
This case report describes the use of a miniscrew-assisted rapid palatal expander and aligners to correct bilateral cross-bite and crowding in an adult patient with a Class III skeletal pattern. A digitally designed surgical guide was three-dimensionally printed and used to accurately insert four miniscrews into the palate; these were employed to anchor a novel miniscrew-assisted rapid palatal expander appliance without any dental anchorage. Cone-beam computed tomograms before and after miniscrew-assisted rapid palatal expander treatment demonstrated the orthopedic expansion of the maxilla without dental tipping...
May 1, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29708397/effects-of-growth-hormone-and-functional-appliance-on-mandibular-growth-in-an-adolescent-rat-model
#9
Shuai Wang, Lu Ye, Mei Li, Han Zhan, Rui Ye, Yu Li, Zhihe Zhao
OBJECTIVES: To investigate the individual and synergistic effects of growth hormone (GH) and functional appliance (FA) on mandibular growth in an adolescent rat model. MATERIALS AND METHODS: Forty adolescent (6-week-old) female Wistar rats were randomly divided into four groups (10 rats in each group). The control group received a sham treatment (intra-abdominal injection of phosphate-buffered saline), the GH group received an intra-abdominal injection of recombinant human growth hormone, the FA group was treated with a mandibular advancement device, and the GH+FA group received both the GH and FA treatments...
April 30, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29708396/evaluation-of-characteristics-of-the-craniofacial-complex-and-dental-maturity-in-girls-with-central-precocious-puberty
#10
Hee-Kyung Lee, Sung-Hwan Choi, Dong Fan, Kyung-Mi Jang, Min-Seon Kim, Chung-Ju Hwang
OBJECTIVES: To identify unique characteristics of the craniofacial complex and dental maturity in girls with central precocious puberty (CPP). MATERIALS AND METHODS: This study included 34 Korean girls with idiopathic CPP (mean age, 8.6 ± .5 years) and 28 normal healthy girls of the same chronological age. An initial evaluation of the growth pattern of the craniofacial complex and dental maturity was conducted by analyzing lateral cephalometric and panoramic radiographs...
April 30, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29683335/prediction-of-mandibular-movement-and-its-center-of-rotation-for-nonsurgical-correction-of-anterior-open-bite-via-maxillary-molar-intrusion
#11
Kyunam Kim, Kwangchul Choy, Young-Chel Park, Seo Yeon Han, Heekyu Jung, Yoon Jeong Choi
OBJECTIVES: To evaluate quantitatively the relationship between molar intrusion (change [Δ] maxillary first molar [U6]-palatal plane [PP]) and changes in vertical and sagittal cephalometric parameters and to determine the center of mandibular autorotation. MATERIALS AND METHODS: Twenty-one patients diagnosed with anterior open bite and successfully treated with molar intrusion (overbite [OB] > 0 mm) were retrospectively enrolled. Lateral cephalograms taken before and after molar intrusion were used to measure changes in vertical and sagittal cephalometric parameters...
April 23, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29683334/long-term-evaluation-of-rapid-maxillary-expansion-and-bite-block-therapy-in-open-bite-growing-subjects-a-controlled-clinical-study
#12
Manuela Mucedero, Dimitri Fusaroli, Lorenzo Franchi, Chiara Pavoni, Paola Cozza, Roberta Lione
OBJECTIVE: To evaluate the long-term effects of rapid maxillary expansion (RME) and posterior bite block (BB) in prepubertal subjects with dentoskeletal open bite. MATERIALS AND METHODS: The treatment group (TG) comprised 16 subjects (14 girls, 2 boys) with dentoskeletal open bite with a mean age of 8.1 ± 1.1 years treated with RME and BB. Three consecutive lateral cephalograms were available before treatment (T1), at the end of the active treatment with the RME and BB (T2), and at a follow-up observation at least 4 years after the completion of treatment (T3)...
April 23, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29667470/long-term-skeletal-effects-of-high-pull-headgear-followed-by-fixed-appliances-for-the-treatment-of-class-ii-malocclusions
#13
E Erin Bilbo, Steven D Marshall, Karin A Southard, Verrasathpurush Allareddy, Nathan Holton, Allyn M Thames, Marlene S Otsby, Thomas E Southard
OBJECTIVES: The long-term skeletal effects of Class II treatment in growing individuals using high-pull facebow headgear and fixed edgewise appliances have not been reported. The purpose of this study was to evaluate the long-term skeletal effects of treatment using high-pull headgear followed by fixed orthodontic appliances compared to an untreated control group. MATERIALS AND METHODS: Changes in anteroposterior and vertical cephalometric measurements of 42 Class II subjects (n = 21, mean age = 10...
April 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29667469/maxillary-arch-dimensions-associated-with-acoustic-parameters-in-prepubertal-children
#14
Abdul-Latif Hamdan, Mohannad Khandakji, Anthony Tannous Macari
OBJECTIVES: To evaluate the association between maxillary arch dimensions and fundamental frequency and formants of voice in prepubertal subjects. MATERIALS AND METHODS: Thirty-five consecutive prepubertal patients seeking orthodontic treatment were recruited (mean age = 11.41 ± 1.46 years; range, 8 to 13.7 years). Participants with a history of respiratory infection, laryngeal manipulation, dysphonia, congenital facial malformations, or history of orthodontic treatment were excluded...
April 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29667468/growth-hormone-receptor-gene-is-related-to-root-length-and-tooth-length-in-human-teeth
#15
Yu Hikita, Tetsutaro Yamaguchi, Daisuke Tomita, Mohamed Adel, Takatoshi Nakawaki, Koshu Katayama, Koutaro Maki, Ryosuke Kimura
OBJECTIVES: To examine the relationship between tooth length and growth hormone receptor (GHR) gene variants in a healthy Japanese population. MATERIALS AND METHODS: The subjects consisted of 193 Japanese adults (69 men, 124 women), aged 13 to 56 years. Genomic DNA was extracted from saliva and genotyped GHR rs6184 and rs6180 variants using the Taqman genotyping. Computed tomography (CT) images were acquired using a dental cone-beam CT scanner and reconstructed using open-source OsiriX medical image processing software...
April 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29667467/mandibular-asymmetries-and-associated-factors-in-orthodontic-and-orthognathic-surgery-patients
#16
Guilherme Thiesen, Bruno F Gribel, Maria Perpétua M Freitas, Donald R Oliver, Ki Beom Kim
OBJECTIVES: To estimate the prevalence of mandibular asymmetries in orthodontic and orthognathic surgery patients and to investigate demographic and skeletal factors associated with this disharmony. MATERIALS AND METHODS: Cone-beam computed tomography images of 1178 individuals aged 19 through 60 years with complete dentitions were analyzed. Outcomes were classified as relative mandibular symmetry, moderate asymmetry, and severe asymmetry. Factors recorded included sex, age, side of mandibular deviation, sagittal jaw relationship, vertical skeletal pattern, angle of the cranial base, and maxillary asymmetry...
April 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29664335/maxillary-molar-distalization-with-miniscrew-supported-appliances-in-class-ii-malocclusion-a-systematic-review
#17
Roshan Noor Mohamed, Sakeenabi Basha, Yousef Al-Thomali
OBJECTIVES: To evaluate the quantitative effects of miniscrew supported appliances for maxillary molar distalization in Class II malocclusion. MATERIALS AND METHODS: The systematic search included MEDLINE, EMBASE, CINAHL, PsychINFO, Scopus, and key journals and review articles. The date of the last search was January 30, 2017. Methodological quality of the retrospective studies was graded by means of the Quality Assessment Tool for Quantitative Studies, developed for the Effective Public Health Practice Project (EPHPP) and prospective studies by means of Newcastle-Ottawa Scale...
April 17, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29664334/influence-of-reminder-therapy-for-controlling-bacterial-plaque-in-patients-undergoing-orthodontic-treatment-a-systematic-review-and-meta-analysis
#18
Igor Felipe Pereira Lima, Walbert de Andrade Vieira, Ítalo de Macedo Bernardino, Pedro Augusto Costa, Anderson Paulo Barbosa Lima, Matheus Melo Pithon, Luiz Renato Paranhos
OBJECTIVE: To assess the scientific evidence regarding the influence of reminder therapy on plaque index, gingival index, and white spots in patients subjected to orthodontic treatment. MATERIALS AND METHODS: Randomized clinical trials were searched in the electronic databases LILACS, PubMed, SciELO, Scopus, Web of Science, Embase, LIVIVO, and Cochrane Library. The databases OpenThesis and OpenGrey were used to capture the "gray literature," preventing selection and publication biases...
April 17, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29664333/relationship-between-tooth-length-and-three-dimensional-mandibular-morphology
#19
Yu Hikita, Tetsutaro Yamaguchi, Daisuke Tomita, Mohamed Adel, Takatoshi Nakawaki, Koshu Katayama, Koutaro Maki, Ryosuke Kimura
OBJECTIVES: To clarify the relationship between tooth length and three-dimensional mandibular morphology in a healthy Japanese population. MATERIALS AND METHODS: This study included 181 Japanese adults: 66 men and 115 women. Cone-beam computed tomography (CBCT) images were acquired with a dentofacial cone-beam x-ray CT scanner. Tooth length was measured with open-source OsiriX medical image processing software. Crown height and root length were measured in the maxillary and mandibular central incisors, lateral incisors, canines, first premolars, second premolars, first molars, and second molars...
April 17, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29664332/characterization-of-dental-phenotype-in-patients-with-cleidocranial-dysplasia-using-longitudinal-data
#20
Sang-Woon Ha, Yu-Jin Jung, Han-Sol Bae, Hyun-Mo Ryoo, Il-Sik Cho, Seung-Hak Baek
OBJECTIVE: To investigate the characteristics of the dental phenotype in patients with cleidocranial dysplasia (CCD) using longitudinal data. MATERIALS AND METHODS: Twelve unrelated Korean CCD patients were observed using a longitudinal series of radiographs and clinical photographs. Statistical analysis was performed on the dental phenotypic data. RESULTS: Although dysplasia of the clavicles, open fontanelle, and wormian bone were observed in all 12 patients, delayed fusion of the mandibular symphysis was found in four patients...
April 17, 2018: Angle Orthodontist
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