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Orthodontics & Craniofacial Research

C Wouters, A A Lamberts, A M Kuijpers-Jagtman, A M Renkema
OBJECTIVES: To develop a clinical practice guideline (CPG) for orthodontic retention (OR). MATERIALS AND METHODS: The CPG was developed according to the AGREE II instrument and EBRO (Dutch methodology for evidence-based guideline development). Reporting was done according the RIGHT statement. A Task Force developed clinical questions regarding OR. To answer these questions a systematic literature search in PubMed and Embase was performed. Two independent researchers identified and selected studies, assessed risk of bias using Cochrane RoB tool and rated quality of evidence using GRADE...
February 16, 2019: Orthodontics & Craniofacial Research
N Siriphan, C Leethanakul, U Thongudomporn
OBJECTIVES: To investigate the effects of 30 and 60 Hz vibratory stimulus on canine distalization and RANKL and OPG secretion. SETTING AND SAMPLE POPULATION: Sixty patients requiring canine distalization at the Orthodontic Clinic, X X X University. MATERIALS AND METHODS: Patients were randomly assigned to 30 Hz vibration (n=20), 60 Hz vibration (n=20), or the control group (n=20). Modified electric toothbrushes were used to apply vibration to the randomly selected canine for 20 min/day by the investigator combined with 60 cN continuous distalization force from day 1 to day 7...
February 13, 2019: Orthodontics & Craniofacial Research
P V Fowler, H Keall, D Kennedy, D Healey, J M D Thompson
OBJECTIVES: To evaluate dental arch relationships of patients with complete unilateral and complete bilateral cleft lip and palate (CUCLP/CBCLP) in New Zealand. SETTING AND SAMPLE POPULATION: Retrospective nationwide observational outcomes study involving 100 CUCLP and 32 CBCLP non-syndromic patients. MATERIAL AND METHODS: Four calibrated assessors, blinded to the origin of the randomised digital models, used the GOSLON (UCLP) and the Bauru-BCLP (BCLP) Yardsticks and a 100mm Visual Analogue Scale (VAS) (UCLP&BCLP) to assess dental arch relationships...
February 11, 2019: Orthodontics & Craniofacial Research
A Karamouzos, A A Zafeiriadis, G Kolokithas, M A Papadopoulos, A E Athanasiou
OBJECTIVES: To assess in vivo color alterations of teeth following removal of fixed orthodontic appliances during retention. SETTING AND SAMPLE POPULATION: The Department of Orthodontics at XXXXXX University of XXXXX. Forty eight patients after orthodontic treatment. MATERIAL AND METHODS: Debonding and cleaning procedures after orthodontic treatment were performed using two different carbide burs attached to a low or high-speed handpiece, respectively, in a non-blinded cohort study with split-mouth design...
February 9, 2019: Orthodontics & Craniofacial Research
P V Fowler, C Wholley, J Perry, J M D Thompson
OBJECTIVE: (1) To establish baseline lateral craniofacial morphology and soft tissue profile outcomes for New Zealand children with complete unilateral and complete bilateral cleft lip and palate (CUCLP/CBCLP) and determine differences in relation to demographic characteristics including cleft type, sex and ethnicity and (2) To compare these outcomes to similar international studies. SETTINGS AND SAMPLE POPULATION: Nation-wide prospective and retrospective cephalometric analysis of 76 patients with CUCLP and 23 patients with CBCLP pre-secondary alveolar bone graft...
February 8, 2019: Orthodontics & Craniofacial Research
M Vranckx, A Ockerman, W Coucke, E Claerhout, B Grommen, A Miclotte, M Van Vlierberghe, C Politis, R Jacobs
OBJECTIVES: The aim of our study was to identify and predict patients at risk of impeded mandibular third molar eruption and potential relation between the third molar roots and the mandibular canal, based on molar angulations in an early development stage. SETTING AND SAMPLE POPULATION: 1011 adolescent orthodontic patients were included in this longitudinal study. MATERIALS & METHODS: We analyzed pre-eruptive rotational changes and root development of mandibular third molars on 2022 panoramic radiographs (two time points)...
February 8, 2019: Orthodontics & Craniofacial Research
C Y Tsai, C W Wang, C W Chang
OBJECTIVES: To evaluate the effect of botulinum toxin type A (BTX)-induced masticatory muscle hypofunction on the maxillofacial suture bone growth of growing rats. SETTING AND SAMPLE POPULATION: Department of Orthodontics at Taipei Medical University. Forty-eight male 4-week-old Wistar rats were divided into four groups. The N group received injections of normal saline into each of the masseter and temporalis muscles. The M group received injections of normal saline into each of the temporalis muscle and injections of BTX into each of the masseter muscle...
January 18, 2019: Orthodontics & Craniofacial Research
B Sebastian, M Abraham, P S Sarma, K K Cherian
OBJECTIVES: To compare the alignment efficiency of coaxial tubular and single-stranded 0.016" superelastic NiTi archwires in relieving mandibular anterior crowding in extraction cases and to evaluate whether alignment efficiency differed as the initial irregularity increased. SETTING AND SAMPLE POPULATION: Forty female patients aged between twelve and twenty years from the postgraduate orthodontic clinic at the authors' centre. MATERIALS AND METHODS: All patients in this single-centre, 2-arm parallel trial were randomly allocated in a 1:1 ratio and the mandibular anterior irregularity was measured from the mandibular cast at 0-, 4-, 8-, and 12-week intervals using a digital calliper...
January 18, 2019: Orthodontics & Craniofacial Research
J Wang, C Rousso, B I Christensen, P Li, C H Kau, M MacDougall, E Lamani
OBJECTIVE: Root resorption due to orthodontic tooth movement may adversely affect the root-crown (R/C) ratios of permanent teeth, especially in patients with Short Root Anomaly (SRA), a poorly understood disorder affecting root development. Evaluation of SRA R/C ratios to normal dentition would facilitate diagnosis and orthodontic treatment planning. However, reference values are not available for all ethnicities. Our goal was to determine R/C ratios of permanent teeth and their relationship to gender and ethnicity...
January 16, 2019: Orthodontics & Craniofacial Research
R M Rengifo, D Peña-Reyes, M R de Freitas, K M Freitas, A Aliaga-Del Castillo, G Janson
OBJECTIVE: To compare the labio- and buccolingual inclination of the anterior and posterior teeth in subjects treated with self-ligating and conventional fixed appliances with and without rapid maxillary expansion. METHODS: Seventy-one subjects with Class I malocclusion were divided into 3 groups. Group 1 comprised 24 subjects (17 female; 7 male, with a mean age of 13.94 + 2.87 years), treated with Roth's preadjusted fixed appliances. Group 2 comprised 24 subjects (14 female; 10 male, with a mean age of 13...
January 12, 2019: Orthodontics & Craniofacial Research
M S Ahn, S M Shin, Y-S Choi, T-J Wu, C-C Ko, T Yamaguchi, K Maki, K Yong-Il
INTRODUCTION: The present study investigated the relationship between facial skeletal patterns and morphology of the palate in adult patients with Class III malocclusion using structural equation modeling (SEM). SETTING AND SAMPLE POPULATION: One hundred cone-beam computed tomography(CBCT) images of Class III adults were evaluated for skeletal measurements. MATERIALS AND METHODS: The skeletal measurements were classified into the vertical, anteroposterior, and transverse group based on factor analysis...
January 11, 2019: Orthodontics & Craniofacial Research
R M Alkadhi, M D Finkelman, C-A Trotman, G Kanavakis
OBJECTIVES: To investigate the association between upper lip thickness and the amount of upper lip repositioning upon retraction of maxillary incisors. SETTING AND SAMPLE POPULATION: Pre- and post-treatment lateral cephalograms of 101 patients were reviewed. All subjects were treated with fixed orthodontic appliances including extraction of two maxillary premolars. Only subjects without change in lip thickness between pre- and post-treatment cephalograms were included...
December 14, 2018: Orthodontics & Craniofacial Research
(no author information available yet)
No abstract text is available yet for this article.
February 2019: Orthodontics & Craniofacial Research
Edoardo Staderini, Federica Guglielmi, Marie A Cornelis, Paolo M Cattaneo
OBJECTIVES: To introduce a new, fast, reliable, and free from software-related bias method to predict three-dimensionally the root position and angulation during and after orthodontic treatment. The final goal is to keep to a minimum the use of ionizing radiation by eliminating the necessity of multiple radiation exposure for checking root alignment. SETTING AND SAMPLE POPULATION: Pre- and post-treatment digital models and cone-beam computed tomographic (CBCT) scans from a patient were retrieved...
February 2019: Orthodontics & Craniofacial Research
Gozde Ogrenim, Mine G Cesur, Tuna Onal, Murat Kara, Fevziye B Sirin, Gizem D Yalcin, Sevinc Inan
OBJECTIVE: The aim of this study was to investigate the effects of omega-3 fatty acids on orthodontic tooth movement. SETTING AND SAMPLE POPULATION: For this study, 56 12-week-old adult male Wistar albino rats from the Animal Laboratory at Adnan Menderes University, Faculty of Medicine, were used. MATERIAL AND METHODS: Rats were randomly divided into seven groups (n = 8 each): control group (without any treatment), tooth movement groups (three groups of animals with only tooth movement) and omega groups (three groups of animals with tooth movement and omega-3 administration)...
February 2019: Orthodontics & Craniofacial Research
Y B Kim, M Bayome, J H Park, H J Lim, S S Mo, N K Lee, Y A Kook
OBJECTIVE: The aim of this study was to evaluate the biomechanical effects of temporary skeletal anchorage devices (TSADs) on the mandibular dentition and mandible during total arch distalization according to locations and types of the TSADs using finite element (FE) analysis. SETTING AND SAMPLE POPULATION: A model of the mandible and teeth were used to build an FE analysis model. MATERIALS AND METHODS: Four FE models were constructed: Ramal plate (Type A) Sugawara plate (Type B), buccal shelf miniscrew (Type C), and interradicular miniscrew (Type D)...
November 22, 2018: Orthodontics & Craniofacial Research
A Cutrera, V Allareddy, N Azami, R Nanda, F Uribe
OBJECTIVES: To compare the amount of external apical root resorption (EARR) secondary to orthodontic treatment in patients with Short Root Anomaly (SRA) compared to patients with average root lengths using Cone Beam Computed Tomography (CBCT). SETTINGS AND SAMPLE POPULATION: CBCT scans of 23 SRA and 26 control patients selected from 232 pretreatment scans from a single private practice. MATERIALS AND METHODS: CBCT scans before (T1) and after orthodontic treatment (T2) were evaluated for differences in the change in tooth and root length of the maxillary incisors between both groups...
November 19, 2018: Orthodontics & Craniofacial Research
Seong Ho Han, Young-Seok Park
OBJECTIVE: The purpose was to evaluate skeletal factors related to the growth of subjects with skeletal open and deep bites based on lateral cephalographs from 9 years of pure longitudinal data using mixed effect analysis. SETTING AND SAMPLE POPULATION: Fifty-one children with extreme lower anterior facial height to total anterior facial height (LAFH/TAFH) ratio values at the age of 14 were assigned to either skeletal open bite or skeletal deep bite groups from a total of 223 subjects...
November 19, 2018: Orthodontics & Craniofacial Research
Tomonori Iwasaki, Hokuto Suga, Ayaka Yanagisawa-Minami, Hideo Sato, Makiko Sato-Hashiguchi, Yoshito Shirazawa, Toshiya Tsujii, Yuushi Yamamoto, Ryuzo Kanomi, Youichi Yamasaki
OBJECTIVES: To clarify the associations among tongue volume, hyoid position, airway volume and maxillofacial form using cone beam computed tomography (CBCT) data for children with Class-I, Class-II and Class-III malocclusion. SETTING AND SAMPLE POPULATION: Sixty children (mean age, 9.2 years) divided into Class-I, Class-II and Class-III malocclusion groups according to the A-nasion-B angle. MATERIAL AND METHODS: Cone beam computed tomography was used for three-dimensional reconstruction of the maxillofacial region and airway...
November 13, 2018: Orthodontics & Craniofacial Research
Ambra Michelotti
No abstract text is available yet for this article.
November 2018: Orthodontics & Craniofacial Research
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