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Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie

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https://www.readbyqxmd.com/read/29330612/analysis-of-the-stomatognathic-system-of-children-according-orthodontic-treatment-needs
#1
Simone Cecílio Hallak Regalo, Bárbara de Lima Lucas, Kranya Victoria Díaz-Serrano, Nicolly Parente Ribeiro Frota, Isabela Hallak Regalo, Mariângela Salles Pereira Nassar, Mariah Acioli Righetti, Lígia Franco Oliveira, Lígia Maria Napolitano Gonçalves, Selma Siéssere, Marcelo Palinkas
PURPOSE: The present study evaluated electromyographic activity (EMG), masticatory performance, and tongue strength in children without and with orthodontic treatment needs. PATIENTS AND METHODS: A total of 90 children were screened and divided into the following groups: Group I (no treatment needed; mean age: 8.00 ± 0.43 years; n = 26), Group II (few malocclusions, treatment needed; mean age: 8.89 ± 0.43 years; n = 28), and Group III (slight-to-borderline treatment needed; mean age: 8...
January 12, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29330611/a%C3%A2-comparison-of-different-sealants-preventing-demineralization-around-brackets
#2
Stefanie Louise Coordes, Paul-Georg Jost-Brinkmann, Thomas Michael Präger, Theodosia Bartzela, Dominik Visel, Theresa Jäcker, Ralf Müller-Hartwich
AIM: Aim of the study was to compare how six different sealants resisted thermal, mechanical, and chemical loading in vitro. MATERIALS AND METHODS: In all, 120 extracted human, nondecayed molars were divided into six groups (20 samples each) and embedded in resin blocks. The buccal surfaces of the tooth samples were polished and divided into three areas. Area A contained the product to be analyzed, area B was covered with colorless nail varnish (negative control), and area C remained untreated (positive control)...
January 12, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29260241/impact-of-overbite-and-overjet-on-oral-health-related-quality-of-life-of-children-and-adolescents
#3
Sara Fabian, Bianca Gelbrich, Andreas Hiemisch, Wieland Kiess, Christian Hirsch
BACKGROUND: Usually, morphological parameters of the teeth are recorded to help assess the indication for orthodontic treatment. It is assumed that significant deviations from average values compromise the quality of life. The aim of this study is to analyse the impact of overbite and overjet on oral health-related quality of life (OHRQoL) of children and adolescents. PATIENTS AND METHODS: A total of 748 subjects, aged 9.5-15.5 years, participated in the LIFE child project of the University of Leipzig, where they underwent a general medical and dental examination...
December 19, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29134232/skeletally-anchored-mesialization-of-molars-using-digitized-casts-and-two-surface-matching-approaches-analysis-of-treatment-effects
#4
Kathrin Becker, Benedict Wilmes, Chantal Grandjean, Sivabalan Vasudavan, Dieter Drescher
PURPOSE: To (1) quantify the three-dimensional treatment effect of a Mesialslider appliance using superimposed digital models, (2) to evaluate anchorage loss (measured by incisor displacement), and (3) to assess agreement between two different matching approaches, i.e., control point (CP)-based and iterative closest point (ICP) matching. METHODS: In a retrospective study, the effects of a skeletally anchored uni- and bilateral mesialization appliance (Mesialslider) as well as simultaneous mesialization and distalization appliance (Mesio-Distalslider) were evaluated in 48 subjects (aged 11-53 years)...
November 13, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29116344/correlation-and-agreement-of-a-digital-and-conventional-method-to-measure-arch-parameters
#5
Nes Nawi, Alizae Marny Mohamed, Murshida Marizan Nor, Nor Atika Ashar
OBJECTIVE: The aim of the present study was to determine the overall reliability and validity of arch parameters measured digitally compared to conventional measurement. METHODS: A sample of 111 plaster study models of Down syndrome (DS) patients were digitized using a blue light three-dimensional (3D) scanner. Digital and manual measurements of defined parameters were performed using Geomagic analysis software (Geomagic Studio 2014 software, 3D Systems, Rock Hill, SC, USA) on digital models and with a digital calliper (Tuten, Germany) on plaster study models...
November 7, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29101414/transversal-changes-space-closure-and-efficiency-of-conventional-and-self-ligating-appliances-a-quantitative-systematic-review
#6
Xianrui Yang, Chaoran Xue, Yiruo He, Mengyuan Zhao, Mengqi Luo, Peiqi Wang, Ding Bai
OBJECTIVE: Self-ligating brackets (SLBs) were compared to conventional brackets (CBs) regarding their effectiveness on transversal changes and space closure, as well as the efficiency of alignment and treatment time. METHODS: All previously published randomized controlled clinical trials (RCTs) dealing with SLBs and CBs were searched via electronic databases, e.g., MEDLINE, Cochrane Central Register of Controlled Trials, EMBASE, World Health Organization International Clinical Trials Registry Platform, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure...
November 3, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29119211/mitteilungen-der-dgkfo
#7
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29080079/obeservations-on-association-between-third-molar-agenesis-and-craniofacial-morphology
#8
Yi Huang, Yinqiu Yan, Jing Cao, Bingjie Xie, Xueling Xiao, Mengqi Luo, Ding Bai, Xianglong Han
OBJECTIVE: This study was designed to examine the relationship between third molar agenesis and skeletal morphology in the Chinese population. MATERIALS AND METHODS: A total of 1043 patients' records were analyzed with panoramic radiographs and cephalograms. Congenitally missing third molars were assessed with respect to gender, jaw, and side, and assessed in various types of facial morphology. Linear, angular, and proportional cephalometric measurements were analyzed and compared among the samples...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28929203/effects-of-toothpastes-on-white-spot-lesions-around-orthodontic-brackets-using-quantitative-light-induced-fluorescence-qlf-an-in-vitro-study
#9
Gokcenur Gokce, Selcuk Savas, Ebru Kucukyilmaz, Ilknur Veli
AIM: The aim of this study was to investigate the effects of toothpastes with different contents on the remineralization of white spot lesions around orthodontic brackets by quantitative light-induced fluorescence (QLF). MATERIALS AND METHODS: A total of 45 freshly extracted human mandibular first molars were selected. Artificial caries lesions were created on enamel surfaces using an acidified gel system for 7 days. Initial relative fluorescence loss was calculated as the pretreatment (baseline) fluorescence value by QLF device...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28913603/influence-of-anthropometry-tmd-and-sex-on-molar-bite-force-in-adolescents-with-and-without-orthodontic-needs
#10
Barbara de Lima Lucas, Taís de Souza Barbosa, Paula Midori Castelo, Maria Beatriz Duarte Gavião
PURPOSE: Bite force has been studied as representative of functional indices of mastication and its value may have diagnostic significance in disorders of the musculoskeletal system of facial bones. This study aimed to evaluate bite force in adolescents with and without orthodontic needs considering presence of temporomandibular disorders (TMD) as well as anthropometry: craniofacial dimensions and body mass index (BMI). METHODS: A total of 80 subjects were screened (61 females, 19 males; 18 ± 3 years old)...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28913542/metal-release-profiles-of-orthodontic-bands-brackets-and-wires-an-in-vitro-study
#11
B Wendl, H Wiltsche, E Lankmayr, H Winsauer, A Walter, A Muchitsch, N Jakse, M Wendl, T Wendl
AIM: The present study evaluated the temporal release of Co Cr, Mn, and Ni from the components of a typical orthodontic appliance during simulated orthodontic treatment. MATERIALS AND METHODS: Several commercially available types of bands, brackets, and wires were exposed to an artificial saliva solution for at least 44 days and the metals released were quantified in regular intervals using inductively coupled plasma quadrupole mass spectrometry (ICP-MS, Elan DRC+, Perkin Elmer, USA)...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28733810/precision-of-guided-scanning-procedures-for-full-arch-digital-impressions-in-vivo
#12
Moritz Zimmermann, Christina Koller, Moritz Rumetsch, Andreas Ender, Albert Mehl
PURPOSE: System-specific scanning strategies have been shown to influence the accuracy of full-arch digital impressions. Special guided scanning procedures have been implemented for specific intraoral scanning systems with special regard to the digital orthodontic workflow. The aim of this study was to evaluate the precision of guided scanning procedures compared to conventional impression techniques in vivo. METHOD: Two intraoral scanning systems with implemented full-arch guided scanning procedures (Cerec Omnicam Ortho; Ormco Lythos) were included along with one conventional impression technique with irreversible hydrocolloid material (alginate)...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28660422/effect-of-orthognathic-surgery-on-profile-esthetics-in-class-ii-1-malocclusions
#13
Katharina Klaus, Christian Heumann, Sabine Ruf
OBJECTIVES: To measure the effect of orthognathic surgery on Class II:1 profile silhouette esthetics and to identify pretreatment parameters and thresholds for consistent esthetic improvement. METHODS: Pre- and posttreatment black profile silhouettes of 20 patients with Class II:1 malocclusion who had received combined orthodontic/orthognathic treatment were evaluated retrospectively by 20 European orthodontists and laypeople each using a visual analogue scale (VAS)...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28660420/effects-of-combined-orthodontic-orthognathic-treatment-for-class-ii-and-iii-correction-on-posterior-airway-space-comparison-of-mono-and-bignathic-osteotomies
#14
Jan Hourfar, Gero Stefan Michael Kinzinger, Hartmut Feifel, Verena Maria Vehr, Jörg Alexander Lisson
OBJECTIVES: Comparison of treatment effects on the posterior airway space (PAS) in patients treated with combined orthodontic-orthognathic surgical treatment. METHODS: Pre- and postsurgical lateral cephalograms of 53 (34 females, 19 males) Caucasian patients were analyzed using a customized set of measurements. According to malocclusion (Class II or III) and surgical approach (either monognathic or bignathic), patients were allocated into four groups. PAS was assessed from cranial to caudal at six levels (P1-P6)...
November 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28840230/mitteilungen-der-dgkfo
#15
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28702831/mitteilungen-der-dgkfo
#16
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28488080/comparison-of-two-treatment-strategies-for-the-early-treatment-of-an-anterior-skeletal-open-bite-posterior-bite-block-vertical-pull-chin-cup-pbb-vpc-vs-posterior-bite-block-high-pull-headgear-pbb-hph
#17
Hakan Turkkahraman, Ebru Cetin
PURPOSE: Aim of the present study was to compare the effects of posterior bite block-vertical pull chin cup (PBB-VPC) and posterior bite block-high pull headgear (PBB-HPH) in the early treatment of anterior open bite. METHODS: This retrospective study was carried out using pretreatment (T1) and posttreatment (T2) lateral cephalometric radiographs of 28 patients treated with either PBB-VPC or PBB-HPH and 14 age-matched control patients with anterior open bite. The treatment changes were evaluated with 20 measurements (7 angular and 13 linear)...
July 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28455746/cephalometric-changes-in-growing-patients-with-increased-vertical-dimension-treated-with-cervical-headgear
#18
Sergio Sambataro, Rosamaria Fastuca, Nelson J Oppermann, Paola Lorusso, Tiziano Baccetti, Lorenzo Franchi, Alberto Caprioglio
PURPOSE: The aim of the present study was to investigate the cephalometric changes in patients with increased vertical dimension after treatment with cervical headgear compared to controls. METHODS: The sample of the present retrospective study consisted of 20 Class II patients (10 males, 10 females; mean age 8.54 ± 1.15 years) with increased vertical dimension treated with cervical headgear (treatment group) and 21 Class II patients (11 males, 10 females; mean age 8...
July 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28409195/stability-of-anterior-tooth-alignment-10%C3%A2-years-out-of-retention
#19
Ragnar Bjering, Leiv Sandvik, Marit Midtbø, Vaska Vandevska-Radunovic
OBJECTIVE: Long-term posttreatment stability of anterior tooth alignment is of major interest to both patients and orthodontists. In the present study we examined the long-term outcome 10 years postretention and investigated the possible influence of treatment-related factors on posttreatment stability of maxillary and mandibular anterior tooth alignment. METHODS: The sample comprised 51 patients treated with full fixed appliances in a university clinic. Average retention time was 1...
July 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28341880/long-term-skeletal-and-dental-effects-of-facemask-versus-chincup-treatment-in-class-iii-patients-a-retrospective-study
#20
B Wendl, M Stampfl, A P Muchitsch, H Droschl, H Winsauer, A Walter, M Wendl, T Wendl
OBJECTIVES: To investigate the skeletal and dental changes during chincup versus facemask treatment, to compare the long-term effects of the two appliances, and to document the impact of each on treatment success. METHODS: In all, 61 patients with Class III syndrome were retrospectively analyzed at three examination times: 7.8 ± 1.7 years of age (T0, pretreatment), 9.6 ± 2.4 years of age (T1, posttreatment), and around 15-20 years later (T2, long-term follow-up)...
July 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
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