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Orthodontics & Craniofacial Research

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https://www.readbyqxmd.com/read/29388328/genotype-and-malocclusion-in-patients-with-osteogenesis-imperfecta
#1
Z Jabbour, A Al-Khateeb, H Eimar, J M Retrouvey, F H Glorieux, F Rauch, F Tamimi
OBJECTS: To investigate the relationship between genotype and severity of malocclusion in osteogenesis imperfecta (OI). SETTING AND SAMPLE POPULATION: A total of 49 patients participated in this cross-sectional study (age range: 5-19 years; 28 females; diagnoses: OI type I, N = 7; OI type III, N = 11; OI type IV, N = 27; OI type V, N = 2; OI type VI, N = 2). MATERIALS AND METHODS: Sequence analysis of COL1A1/COL1A2 and other OI-related genes was compared to the Peer Assessment Rating (PAR), an index reflecting the severity of malocclusion...
February 1, 2018: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29283502/estimation-of-jaw-opening-forces-in-adults
#2
P A Brunton, C Loch, J N Waddell, H J Bodansky, R Hall, A Gray
OBJECTIVES: To estimate maximum jaw-opening forces in healthy participants of diverse ancestry and to estimate whether opening forces are associated with sex, age and anthropometric parameters such as height, weight and BMI. SETTING AND SAMPLE POPULATION: One hundred and forty-nine participants aged 20-60 years with overall good oral and general health. Exclusion criteria included myofascial or neck pain, symptomatic temporomandibular joint disorders (TMD), current orthodontic treatment or the absence of a natural dentition...
December 28, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29271123/disturbances-of-dental-development-distinguish-patients-with-oligodontia-ectodermal-dysplasia-from-isolated-oligodontia
#3
B Dhamo, M A R Kuijpers, I Balk-Leurs, C Boxum, E B Wolvius, E M Ongkosuwito
OBJECTIVE: To investigate phenotypic differences in dental development between isolated oligodontia and oligodontia-ectodermal dysplasia (ED). SETTING AND SAMPLE POPULATION: A total of 129 patients diagnosed with isolated oligodontia and 22 patients with oligodontia as part of ED were eligible. METHODS: The phenotype of dental development was assessed for the frequency of missing a certain tooth, dental age, development of each tooth present, abnormal size and abnormal shape of teeth...
December 22, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29271061/effects-of-loading-on-chondrocyte-hypoxia-hif-1%C3%AE-and-vegf-in-the-mandibular-condylar-cartilage-of-young-rats
#4
J Yu, F Liang, H Huang, P Pirttiniemi, D Yu
OBJECTIVES: To investigate hypoxia-inducible factor 1-alpha (HIF-1α) and vascular endothelial growth factor (VEGF) expression under altered loading, and to explore the relationship between loading and hypoxia in the mandibular condylar cartilage of young rats. SETTING AND SAMPLE POPULATION: Eighty Sprague-Dawley rats. MATERIAL AND METHODS: The reduced loading group was fed soft food, and their incisors were cut to avoid occlusal contact. The increased loading group was fed hard food and had forced jaw-opening...
December 22, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29271058/a-finite-element-analysis-of-the-optimal-bending-angles-in-a-running-loop-for-mesial-translation-of-a-mandibular-molar-using-indirect-skeletal-anchorage
#5
M-J Kim, J H Park, Y Kojima, K Tai, J-M Chae
OBJECTIVES: To estimate the optimal bending angles in the running loop for mesial translation of a mandibular second molar using indirect skeletal anchorage and to clarify the mechanics of tipping and rotating the molar. METHODS: A three-dimensional finite element model was developed for predicting tooth movement, and a mechanical model based on the beam theory was constructed for clarifying the force systems. RESULTS: When using a running loop without bends, the molar tipped mesially 14...
December 22, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29265578/effectiveness-of-nickel-titanium-springs-vs-elastomeric-chains-in-orthodontic-space-closure-a-systematic-review-and-meta-analysis
#6
REVIEW
H Mohammed, M Z Rizk, K Wafaie, M Almuzian
The aim of this study is to explore the effectiveness of nickel titanium closing springs (NiTi-CS) and elastomeric power chains (EPC) in orthodontic space closure and to assess the adverse periodontal effects, cost efficiency and patient-centred outcomes between both of these methods. METHODS: An electronic search of online databases (Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, Scopus, LILACS and Web of Science), reference lists and grey literature as well as hand search were conducted without language restriction up to November/2017...
December 19, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29232055/outcome-of-orthodontic-palatal-plate-therapy-for-orofacial-dysfunction-in-children-with-down-syndrome-a-systematic-review
#7
REVIEW
F Javed, Z Akram, A P Barillas, S V Kellesarian, H B Ahmed, J Khan, K Almas
To evaluate the effects of orthodontic palatal plate therapy (OPPT) in the treatment of orofacial dysfunction in children with Down syndrome (DS). Indexed databases were searched. Clinical trials in DS allocated to test (treatment with palatal plates) versus control group (without palatal plates/special physiotherapy for orofacial stimulation) with follow-up of any time duration and assessing mouth closure, tongue position, active and inactive muscle function as outcomes. Study designs, subject demographics, frequency and duration of palatal plate therapy, method for assessment, follow-up period and outcomes were reported according to the PRISMA guidelines...
December 12, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29215195/temporomandibular-joint-positional-change-accompanies-post-surgical-mandibular-relapse-a-long-term-retrospective-study-among-patients-who-underwent-mandibular-advancement
#8
M Z Miao, B Wang, D Wu, S Zhang, S Wong, O Shi, A Hu, L Mao, B Fang
OBJECTIVE: This study evaluated the relationship between follow-up temporomandibular joint positional change and mandibular stability among patients who had orthognathic and orthodontic treatment for a skeletal Class II malocclusion. METHODS: Thirty-seven patients who underwent 2-jaw surgery (Le Fort I osteotomy, bilateral sagittal split ramus osteotomy and genioplasty with rigid internal fixation) were included with an average follow-up length of 8.10 ± 2.06 years...
December 7, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29205804/a-prospective-cohort-study-assessing-the-appearance-of-retrieved-aesthetic-orthodontic-archwires
#9
S Collier, N Pandis, A Johal, U Qureshi, P K Sharma, P S Fleming
OBJECTIVES: To investigate the appearance of three esthetic nickel titanium (NiTi) wires after 6 weeks of intra-oral cycling and to determine the association between objective and subjective measures of esthetics. SETTING AND SAMPLE POPULATION: A prospective cohort study was undertaken involving participants undergoing upper fixed orthodontic appliance treatment with ceramic brackets. MATERIALS AND METHODS: Fifty participants were assigned to one of three groups of NiTi esthetic wires (American Orthodontics Ever White™, Forestadent Biocosmetic™ and GAC High Aesthetic™), with wires retrieved after 6 weeks in situ...
December 4, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29346840/into-the-future
#10
EDITORIAL
Ambra Michelotti
No abstract text is available yet for this article.
February 2018: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29346839/prepared-for-the-future
#11
EDITORIAL
A M Kuijpers-Jagtman
No abstract text is available yet for this article.
February 2018: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29283499/pharyngeal-airway-changes-following-maxillary-expansion-or-protraction-a-meta-analysis
#12
REVIEW
W-C Lee, Y-K Tu, C-S Huang, R Chen, M-W Fu, E Fu
The aim of this meta-analysis was to investigate the changes in airway dimensions after rapid maxillary expansion (RME) and facemask (FM) protraction. Using PubMed, Medline, ScienceDirect and Web of Science, only controlled clinical trials, published up to November 2016, with RME and/or FM as keywords that had ≥6 months follow-up period were included in this meta-analysis. The changes in pharyngeal airway dimension in both two-dimensional and three-dimensional images were included in the analysis. Nine studies met the criteria...
February 2018: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29027749/permanent-tooth-agenesis-in-individuals-with-non-syndromic-robin-sequence-a-systematic-review-and-meta-analysis
#13
G S Antonarakis, P K Palaska, S Suri
OBJECTIVES: To evaluate prevalence rates and patterns of permanent tooth agenesis in individuals with non-syndromic Robin sequence (ns-RS). MATERIAL AND METHODS: Two investigators independently carried out a literature search, using PubMed, Web of Science, Ovid, EMBASE and the Cochrane Library, identifying articles relating to permanent tooth agenesis, diagnosed using panoramic radiographs, in individuals with ns-RS. The outcomes desired were prevalence rates and patterns of permanent tooth agenesis...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28994495/ankyloglossia-as-a-risk-factor-for-maxillary-hypoplasia-and-soft-palate-elongation-a-functional-morphological-study
#14
A J Yoon, S Zaghi, S Ha, C S Law, C Guilleminault, S Y Liu
OBJECTIVES: To characterize associations between restricted tongue mobility and maxillofacial development. SETTING AND SAMPLE POPULATION: Cross-sectional cohort study of 302 consecutive subjects from an orthodontic practice. MATERIAL AND METHODS: Tongue mobility (measured with tongue range of motion ratio [TRMR] and Kotlow free tongue measurement) was correlated with measurements of the maxillofacial skeleton obtained from dental casts and cephalometric radiographs...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28921849/effects-of-pre-surgical-nasoalveolar-moulding-on-maxillary-arch-and-nasal-form-in-unilateral-cleft-lip-and-palate-before-lip-surgery
#15
T Fuchigami, N Kimura, T Kibe, M Tezuka, M S Amir, H Suga, Y Takemoto, M Hashiguchi, A Maeda-Iino, N Nakamura
OBJECTIVES: To investigate the effects of pre-surgical nasoalveolar moulding (PNAM) on the maxillary arch and nasal form in patients with unilateral cleft lip and palate (UCLP). SETTING AND SAMPLE POPULATION: This is a retrospective case series study. The subjects were infants with complete UCLP who were treated with PNAM (n = 18) at Kagoshima University Medical and Dental Hospital (Japan) between 2006 and 2013. MATERIAL AND METHODS: Maxillary dental casts and facial photographs were taken at the time of the first visit and immediately prior to lip surgery to evaluate the maxillary arch and nasal form changes...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28873288/early-post-natal-development-of-the-mandibular-permanent-first-molar-in-infants-with-unilateral-complete-cleft-lip-and-palate
#16
N V Hermann, T A Darvann, S Kreiborg
OBJECTIVES: Studies have shown that the mandibular permanent first molar (M1inf ) in young children with isolated cleft palate is characterized by delay in maturation and has reduced crown width. Consequently, it is of interest to investigate the early maturation and width of the follicle and crown of M1inf in children with combined cleft lip and palate. DESIGN: Retrospective, longitudinal study. Cephalometric X-rays of 47 consecutive Danish children with UCCLP (37 males; 10 females) and 44 with unilateral incomplete cleft lip (UICL) (29 males; 15 females) examined at 2 and 22 months of age...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28857415/morphometric-analysis-of-the-maxillary-root-apex-positions-according-to-crowding-severity
#17
S H Kim, S M Shin, Y S Choi, C C Ko, S S Kim, S B Park, W S Son, Y-I Kim
OBJECTIVES: To determine differences in arch forms derived from the root apices locations between individuals with <2 mm maxillary crowding and controls. SETTING AND SAMPLE POPULATION: The Department of Orthodontics, Pusan National University. Cone-beam computed tomography (CBCT) images of 102 patients in the control group and 95 patients in the crowding group. MATERIALS AND METHODS: X, Y and Z coordinates of the tip of the crowns and the apex of the root of the maxillary teeth (except second molars) were determined on the CBCT images...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28737274/longitudinal-dental-maturation-of-children-with-complete-unilateral-cleft-lip-and-palate-a-case-control-cohort-study
#18
E L Y Tan, M C Kuek, H C Wong, M Yow
OBJECTIVES: Many reports suggest that children with cleft lip and palate (CLP) have delayed dental development and asymmetrical timing of tooth-pair formation. We aimed to investigate the dental maturation of permanent teeth in children with complete unilateral CLP (UCLP) and compare the findings with non-CLP children. SETTING AND SAMPLE POPULATION: This case-control study used 115 radiographs of children with complete UCLP and controls (non-CLP children matched on age, gender and ethnicity) from a hospital-based dental clinic in Singapore...
November 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28960842/accuracy-and-reliability-of-landmark-based-surface-based-and-voxel-based-3d-cone-beam-computed-tomography-superimposition-methods
#19
A Ghoneima, H Cho, K Farouk, K Kula
OBJECTIVES: To evaluate and compare the accuracy and reliability of 3 different methods of three-dimensional cone-beam computed tomography scans (3D CBCTs) superimpositions: landmark-based, surface-based and voxel-based. MATERIALS AND METHODS: Pre- and post-orthodontic treatment CBCTs (T1 and T2) of 20 subjects with a mean age of 11 years were obtained. Seven points on the zygomatic arch and supraorbital region were selected to perform landmark-based superimposition...
September 27, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28727319/novel-evaluation-and-treatment-techniques-for-white-spot-lesions-an-in-vitro-study
#20
T A Bakhsh, A S Bakry, M M Mandurah, M A Abbassy
OBJECTIVE: White spot lesions (WSLs) are commonly seen during and after orthodontic treatment. Therefore, the objective of this in vitro study was to assess the effect of 45S5-bioglass in remineralizing WSLs using cross-polarization optical coherence tomography (CP-OCT) and confirm the findings by micro-hardness test. METHODS: Ceramic orthodontic brackets were bonded to the buccal surface of 45 human premolars with Transbond XT primer followed by Transbond PLUS according to the manufacturer's instructions...
August 2017: Orthodontics & Craniofacial Research
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