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American Journal of Orthodontics and Dentofacial Orthopedics

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https://www.readbyqxmd.com/read/28554465/conditional-logistic-regression
#1
EDITORIAL
Despina Koletsi, Nikolaos Pandis
No abstract text is available yet for this article.
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554464/sticks-and-stones
#2
EDITORIAL
Laurance Jerrold
No abstract text is available yet for this article.
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554463/accuracy-of-printed-dental-models-made-with-2-prototype-technologies-and-different-designs-of-model-bases
#3
Leonardo Tavares Camardella, Oswaldo de Vasconcellos Vilella, Hero Breuning
INTRODUCTION: The aim of this study was to compare the accuracy of printed models from intraoral scans with different designs of model bases, using 2 types of 3-dimensional printing techniques. METHODS: Three types of model base design were created: regular base, horseshoe-shaped base, and horseshoe-shaped base with a bar connecting the posterior region. The digital models were printed with the 3-dimensional printers using different techniques: stereolithography and triple jetting technology (polyjet)...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554462/treatment-of-class-ii-malocclusion-with-mandibular-skeletal-anchorage
#4
Ezgi Cakir, Siddik Malkoç, Mustafa Kirtay
INTRODUCTION: The aim of this case report was to present the dentofacial changes obtained with bone anchorage in a Class II patient with moderate to severe crowding. METHODS: A boy, aged 14.5 years, with a dolichofacial type, convex profile, and skeletal and dental Class II relationships was examined. After evaluation, functional treatment with bone anchorage and 4 first premolar extractions was decided as the treatment approach. Miniplates were placed on the buccal shelves of the mandibular third molars...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554461/traction-of-impacted-canines-in-a-skeletal-class-iii-malocclusion-a-challenging-orthodontic-treatment
#5
José Tarcísio Lima Ferreira, Fábio Lourenço Romano, Maria Bernadete Sasso Stuani, Fábio Carvalho Assed Carneiro, Mírian Aiko Nakane Matsumoto
This case report describes the successful traction of 2 severely impacted canines. The patient, a 7-year-old girl, had good general health, nasal breathing, crossbite of the lateral incisors and canines, and a Class I molar relationship. The panoramic radiograph showed that the permanent canines were positioned above the roots of the lateral incisors, with the right canine in an accentuated inclination. The cephalometric analysis showed a skeletal Class III malocclusion with a predominance of horizontal growth...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554460/forced-eruption-of-a-palatally-impacted-and-transposed-canine-with-a-temporary-skeletal-anchorage-device
#6
Mi-Young Lee, Jae Hyun Park, Jin-Gon Jung, Jong-Moon Chae
Treatment of palatally impacted and transposed canines is challenging for both orthodontists and oral surgeons. To treat a maxillary canine impaction without risking damage to adjacent teeth, it is necessary to use cone-beam computed tomography for proper localization and treatment planning. In this case report, a palatally impacted canine was initially retracted distally with a microimplant inserted in the palatal slope and then was moved buccally into its ideal position. The patient's occlusion and smile esthetics were significantly improved after orthodontic treatment...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554459/relationship-between-molar-occlusion-and-masticatory-movement-in-lateral-deviation-of-the-mandible
#7
Yuji Suzuki, Katsuhiko Saitoh, Ryutaroh Imamura, Kaori Ishii, Shinichi Negishi, Ryuichi Imamura, Masaru Yamaguchi, Kazutaka Kasai
INTRODUCTION: The relationship between molar occlusion and chewing patterns was examined in subjects with laterally deviated mandibles. METHODS: Twenty-three patients with mandibular deviation from the midline (4 mm or more) and skeletal Class I (0° ≤ANB ≤4°) were divided into 2 groups: normal bite and crossbite. The chewing pattern was classified as normal, reversed, or crossover. RESULTS: The normal bite group had a normal chewing pattern on the affected side 100% of the time and a reversed chewing pattern on the affected and unaffected sides 0% and 7...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554458/comparison-of-the-treatment-effects-of-different-rapid-maxillary-expansion-devices-on-the-maxilla-and-the-mandible-part-1-evaluation-of-dentoalveolar-changes
#8
Selin Canan, Neslihan Ebru Şenışık
INTRODUCTION: The aim of this study was to compare the dentoalveolar treatment effects of 3 rapid maxillary expansion (RME) appliances, supported by different tissues, on the maxilla and the mandible. METHODS: Patients were assessed for eligibility, and those who met the requirements and agreed to participate were enrolled in the study. Participants were randomly allocated into 3 groups, depending on the type of expansion. The tooth-borne group (n = 16; ages, 12...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554457/comparative-evaluation-of-treatment-outcomes-between-temporary-anchorage-devices-and-class-iii-elastics-in-class-iii-malocclusions
#9
Masahiro Nakamura, Noriaki Kawanabe, Tomoki Kataoka, Takashi Murakami, Takashi Yamashiro, Hiroshi Kamioka
INTRODUCTION: Our objective was to elucidate the differences in treatment outcomes caused by the different mechanics of temporary anchorage devices (TADs) and Class III elastics in patients with Class III malocclusions. METHODS: Records of 23 patients with Angle Class III malocclusion were selected retrospectively. All had been treated with nonextraction comprehensive orthodontic treatment; 11 were treated with TADs and 12 with Class III elastics. Pretreatment and posttreatment lateral cephalograms were used for evaluation of the treatment outcomes...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554456/gene-expression-profile-altered-by-orthodontic-tooth-movement-during-healing-of-surgical-alveolar-defect
#10
Eun-Kyung Choi, Jae-Hyung Lee, Seung-Hak Baek, Su-Jung Kim
INTRODUCTION: We explored the gene expression profile altered by orthodontic tooth movement (OTM) during the healing of surgical alveolar defects in beagles. METHODS: An OTM-related healing model was established where a maxillary second premolar was protracted into the critical-sized defect for 6 weeks (group DT6). As controls, natural healing models without OTM were set at 2 weeks (group D2) and at 6 weeks (group D6) after surgery. Total RNAs were extracted from dissected tissue blocks containing the regenerated defects and additionally from sound alveolar bone as a baseline (group C)...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554455/dentoalveolar-and-arch-dimension-changes-in-patients-treated-with-miniplate-anchored-maxillary-protraction
#11
Mohammed H Elnagar, Eman Elshourbagy, Safaa Ghobashy, Mohamed Khedr, Carla A Evans
INTRODUCTION: The aim of this study was to evaluate dentoalveolar and arch dimension changes in 2 miniplate-anchored maxillary protraction protocols in relation to an untreated control group using 3-dimensional digital models. METHODS: Thirty growing Class III subjects with maxillary deficiency in the late mixed or early permanent dentition phase were randomly divided into 3 groups. In group 1 (n = 10), patients were treated with skeletally anchored facemasks anchored with miniplates placed at the zygomatic buttress...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554454/diagnosis-and-treatment-planning-of-orthodontic-patients-with-3-dimensional-dentofacial-records
#12
Amornrut Manosudprasit, Arshan Haghi, Veerasathpurush Allareddy, Mohamed I Masoud
INTRODUCTION: Cephalometrics has been the foundation of orthodontic diagnosis for many years. However, for many orthodontic patients, a lateral cephalogram might not be necessary. The aim of this study was to compare the diagnosis and treatment planning agreement between standard records and nonradiographic 3-dimensional (3D) dentofacial photogrammetry records. METHODS: Twenty patients had standard orthodontic records taken for their treatment as well as extraoral and intraoral 3D images...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554453/impact-of-cone-beam-computed-tomography-scan-mode-on-the-diagnostic-yield-of-chemically-simulated-external-root-resorption
#13
Saulo L Sousa Melo, Karla de Faria Vasconcelos, Nathan Holton, Veeratrishul Allareddy, Veerasathpurush Allareddy, Cinthia Pereira Machado Tabchoury, Francisco Haiter-Neto, Axel Ruprecht
INTRODUCTION: The aim of this in-vitro study was to evaluate the influence of cone-beam computed tomography scans on the diagnosis of chemically simulated external root resorption. METHODS: One hundred extracted anterior teeth were selected. Subsurface demineralization was induced on a limited area of the apical third of the root of 49 teeth. Each tooth was placed in an empty socket of a partially edentulous dry mandible. Cone-beam computed tomography images were obtained according to 3 protocols: (1) half scan, 0...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554452/characterizing-the-orthodontic-patient-s-purchase-decision-a-novel-approach-using-netnography
#14
Joseph W Pittman, M Elizabeth Bennett, Lorne D Koroluk, Stacey G Robinson, Ceib L Phillips
INTRODUCTION: A deeper and more thorough characterization of why patients do or do not seek orthodontic treatment is needed for effective shared decision making about receiving treatment. Previous orthodontic qualitative research has identified important dimensions that influence treatment decisions, but our understanding of patients' decisions and how they interpret benefits and barriers of treatment are lacking. The objectives of this study were to expand our current list of decision-making dimensions and to create a conceptual framework to describe the decision-making process...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554451/evaluation-of-masseter-muscles-in-relation-to-treatment-with-removable-bite-blocks-in-dolichofacial-growing-subjects-a-prospective-controlled-study
#15
Roberta Lione, Stavros Kiliaridis, Andrea Noviello, Lorenzo Franchi, Gregory S Antonarakis, Paola Cozza
INTRODUCTION: The aim of this prospective study was to evaluate the effects of posterior bite-blocks on masseter muscles and on facial growth in prepubertal dolichofacial subjects. METHODS: The treatment group comprised 21 consecutive prepubertal dolichofacial patients treated with rapid maxillary expansion followed by mandibular removable bite-blocks. Lateral cephalograms and ultrasonographic scans of the masseter muscles were made before (T1) and after (T2) treatment with bite-blocks...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554450/oral-health-related-quality-of-life-changes-in-patients-with-severe-class-iii-malocclusion-treated-with-the-2-jaw-surgery-first-approach
#16
Daniela Feu, Branca Heloísa de Oliveira, Nathalia Barbosa Palomares, Roger Keller Celeste, José Augusto Mendes Miguel
INTRODUCTION: In this nonrandomized prospective study, we compared the effects of the surgery-first approach with conventional 2-jaw orthognathic surgery on skeletal Class III patients' oral health-related quality of life (OHRQoL), quality of the orthodontic outcome, and average treatment duration. METHODS: The sample consisted of 16 patients with severe skeletal Class III malocclusion, who needed 2-jaw orthognathic surgery: 8 were treated with the surgery-first approach, and 8 were treated with the traditional orthodontic-surgical approach...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554449/effects-of-bone-grafting-performed-with-corticotomies-and-buccal-tooth-movements-on-dehiscence-formation-in-dogs
#17
Britney Bare-Welchel, Phillip M Campbell, Marianela Gonzalez, Peter H Buschang
INTRODUCTION: A randomized split-mouth experiment was performed in dogs to determine the effects of bone grafting, together with corticotomies and buccal tooth movements, on dehiscence formation. METHODS: Bilateral full-thickness mucoperiosteal buccal flaps were raised, and corticotomies were performed with a piezosurgery unit adjacent to the maxillary second premolars in 7 dogs. The experimental (graft+) side received a demineralized freeze-dried allograph and a resorbable collagen membrane...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554448/stability-of-orthodontic-treatment-outcome-in-relation-to-retention-status-an-8-year-follow-up
#18
Jeanett Steinnes, Gunn Johnsen, Heidi Kerosuo
INTRODUCTION: Our aim was to evaluate the stability of orthodontic treatment outcome and retention status 7 or more years after active treatment in relation to posttreatment or postretention time, type of retention appliance, and duration of retainer use. METHODS: The subjects were former patients who completed orthodontic treatment with fixed appliances from 2000 to 2007. The pretreatment eligibility criteria were anterior crowding of 4 mm or more in the maxilla or the mandible and Angle Class I or Class II sagittal molar relationship...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554447/here-we-go-again
#19
EDITORIAL
Peter M Greco
No abstract text is available yet for this article.
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554445/correction
#20
(no author information available yet)
No abstract text is available yet for this article.
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
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