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https://www.readbyqxmd.com/read/29150379/changes-in-maxillofacial-morphology-and-velopharyngeal-function-with-two-stage-maxillary-distraction-mandibular-setback-surgery-in-patients-with-cleft-lip-and-palate
#1
T Susami, Y Mori, K Ohkubo, M Takahashi, Y Hirano, H Saijo, T Takato
Maxillary distraction is increasingly used for the correction of severe maxillary retrusion in patients with cleft lip and palate. However, control of the maxillary movement is difficult, and the need to wear visible distractors for a long period of time causes psychosocial problems. A two-stage surgical approach consisting of maxillary distraction and mandibular setback was developed to overcome these problems. In this study, changes in maxillofacial morphology and velopharyngeal function were examined in 22 patients with cleft lip and palate who underwent this two-stage approach...
November 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29149622/the-chemokine-receptor-type-4-antagonist-amd3100-interrupts-experimental-tooth-movement-in-rats
#2
Kasumi Hatano, Yuji Ishida, Hiroyuki Yamaguchi, Jun Hosomichi, Jun-Ichi Suzuki, Risa Usumi-Fujita, Yasuhiro Shimizu, Naoki Shibutani, Sawa Kaneko, Takashi Ono
OBJECTIVE: The aim of this study was to clarify the role of the stromal cell-derived factor-1 (SDF-1)/C-X-C chemokine receptor type 4 (CXCR4) axis in osteoclast accumulation, and the influence of orthodontic tooth movement (OTM) under mechanical force application to periodontal tissues, by administration of the CXCR4 antagonist AMD3100. DESIGN: The upper right first molar (M1) of rats was moved mesially with a 10-g force titanium-nickel closed coil spring. Rats were treated with phosphate-buffered saline or AMD3100 (5mg/kg), which is a SDF-1 antagonist...
November 11, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29145570/tooth-wear-and-gingival-recession-in-210-orthodontically-treated-patients-a-retrospective-cohort-study
#3
Marco Mijuskovic, Meret C Gebistorf, Nikolaos Pandis, Anne M Renkema, Piotr S Fudalej
Aim: To assess the association between tooth wear (TW) and gingival recession (GR). Materials and Methods: Two hundred and ten orthodontically treated participants (100 males) were evaluated. GR and TW were rated independently by four raters on plaster models at four time points: before treatment (T1), mean age 13.8 years (SD = 3.7); after treatment (T2), mean age 16.7 years (SD = 3.9); 3 years after treatment (T3), mean age 19.7 years (SD = 4.2); and 7 years after treatment (T4), mean age 23...
November 14, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29143566/electromyographic-evaluation-in-children-orthodontically-treated-for-skeletal-class-ii-malocclusion-comparison-of-two-treatment-techniques
#4
Eleonora Ortu, Davide Pietropaoli, Fray Adib, Chiara Masci, Mario Giannoni, Annalisa Monaco
Objective To compare the clinical efficacy of two techniques for fabricating a Bimler device by assessing the patient's surface electromyography (sEMG) activity at rest before treatment and six months after treatment. Methods Twenty-four patients undergoing orthodontic treatment were enrolled in the study; 12 formed the test group and wore a Bimler device fabricated with a Myoprint impression using neuromuscular orthodontic technique and 12 formed the control group and were treated by traditional orthodontic technique with a wax bite in protrusion...
November 16, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29142873/microhybrid-versus-nanofill-composite-in-combination-with-a-three-step-etch-and-rinse-adhesive-in-occlusal-cavities-five-year-results
#5
Safa Tuncer, Mustafa Demirci, Evren Öztaş, Neslihan Tekçe, Ömer Uysal
Objectives: The aim of the study was to evaluate the 5-year clinical performance of occlusal carious restorations using nanofill and microhybrid composites, in combination with 3-step etch-and-rinse adhesives, in patients who were going to commence orthodontic treatment. Materials and Methods: A total of 118 restorations for occlusal caries were conducted prior to orthodontic treatment. Occlusal restorations were performed both with Filtek Supreme XT (3M ESPE) and Filtek Z250 (3M ESPE) before beginning orthodontic treatment with fixed orthodontic bands...
November 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29142654/correlation-between-nasoalveolar-molding-and-surgical-aesthetic-functional-and-socioeconomic-outcomes-following-primary-repair-surgery-a-systematic-review
#6
REVIEW
Sophie Maillard, Jean-Marc Retrouvey, Mairaj K Ahmed, Peter J Taub
Objectives: The authors performed a systematic review to evaluate the potential beneficial effects of the nasoalveolar molding appliance on nonsyndromic unilateral clefts of the lip and/or palate prior to primary lip repair. Material and Methods: A literature search was performed using three electronic databases (PubMed, Embase, Web of Science) and three journals ("Cleft Palate-Craniofacial Journal", "Plastic and Reconstructive Surgery Journal" and "American Journal of Orthodontics and Dentofacial Orthopaedic") from January 1980 to April 2017...
July 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29140719/effects-of-different-etching-methods-and-bonding-procedures-on-shear-bond-strength-of-orthodontic-metal-brackets-applied-to-different-cad-cam-ceramic-materials
#7
S Kutalmış Buyuk, Ahmet Serkan Kucukekenci
OBJECTIVE: To investigate the shear bond strength (SBS) of orthodontic metal brackets applied to different types of ceramic surfaces treated with different etching procedures and bonding agents. MATERIALS AND METHODS: Monolithic CAD/CAM ceramic specimens (N = 120; n = 40 each group) of feldspathic ceramic Vita Mark II, resin nanoceramic Lava Ultimate, and hybrid ceramic Vita Enamic were fabricated (14 × 12 × 3 mm). Ceramic specimens were separated into four subgroups (n = 10) according to type of surface treatment and bonding onto the ceramic surface...
November 15, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29138812/expression-and-regulation-of-the-erk1-2-and-p38-mapk-signaling-pathways-in-periodontal-tissue-remodeling-of-orthodontic-tooth-movement
#8
Liping Jiang, Zhen Tang
The present study aimed to investigate the expression and regulation of extracellular signal‑regulated kinase (ERK)1/2 and p38 mitogen‑activated protein kinase (MAPK) signaling pathways in periodontal tissue remodeling of orthodontic tooth movement. Sprague Dawley rats with orthodontic tooth movement were generated. After tension stress for 1, 3, 5, 7 and 14 days, the protein and mRNA expression levels of ERK1/2 and p38 in periodontal tissue were determined by western blotting and reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR), respectively...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29135724/alignment-strategy-for-constricted-maxillary-dental-arch-in-patients-with-unilateral-cleft-lip-and-palate-using-fixed-orthodontic-appliance
#9
Yoon-Hee Park, Sumin Park, Seung-Hak Baek
The purpose of this study was to compare the alignment pattern of the constricted maxillary dental arch by fixed orthodontic treatment (FOT) in the well-aligned and constricted arches of unilateral cleft lip and palate (UCLP) patients. 19 UCLP patients were divided into Group 1 (well-aligned arch, n = 9) and Group 2 (constricted arch, n = 10). After the cephalometric and maxillary dental arch variables before (T1) and after FOT (T2) were measured, statistical analysis was performed. There were no significant differences in the surgical timing of cheiloplasty, palatoplasty, and secondary alveolar bone grafting and in the surgical method of cheiloplasty between the 2 groups...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29131664/tissue-repair-after-selective-alveolar-corticotomy-in-orthodontic-patients-a-preliminary-study
#10
Raquel Bueno Medeiros, Fabio Ramoa Pires, Alpdogan Kantarci, Jonas Capelli
OBJECTIVES: To analyze histologic findings of bone remodeling at the time of surgery and 90 days later at corticotomized and noncorticotomized sites. MATERIALS AND METHODS: Eight adult patients with bilaterally inclined mandibular molars were included in this split-mouth study. Corticotomy was performed on the test side, and bone was harvested on both mandibular hemi-arches. Bone blocks were shipped to Forsyth Institute lab (Boston, Mass). After surgery, cantilevers were activated to upright inclined mandibular molars on both sides...
November 13, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29130927/a-strategic-orthodontic-marketing-plan
#11
Ken Alexander
No abstract text is available yet for this article.
September 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29130926/complex-orthodontic-treatment-using-a-new-protocol-for-the-invisalign-appliance
#12
Bob Fry
No abstract text is available yet for this article.
September 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29130921/orthodontic-office-design-creating-your-next-office
#13
Ellen M Grady
No abstract text is available yet for this article.
September 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29130920/orthodontic-fees
#14
Robert S Haeger
No abstract text is available yet for this article.
September 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29130127/predictability-of-orthodontic-movement-with-orthodontic-aligners-a-retrospective-study
#15
Luca Lombardo, Angela Arreghini, Fabio Ramina, Luis T Huanca Ghislanzoni, Giuseppe Siciliani
BACKGROUND: The aim of this study was to evaluate the predictability of F22 aligners (Sweden & Martina, Due Carrare, Italy) in guiding teeth into the positions planned using digital orthodontic setup. METHODS: Sixteen adult patients (6 males and 10 females, mean age 28 years 7 months) were selected, and a total of 345 teeth were analysed. Pre-treatment, ideal post-treatment-as planned on digital setup-and real post-treatment models were analysed using VAM software (Vectra, Canfield Scientific, Fairfield, NJ, USA)...
November 13, 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/29130047/bending-properties-of-fiber-reinforced-composites-retainers-bonded-with-spot-composite-coverage
#16
Maria Francesca Sfondrini, Paola Gandini, Paola Tessera, Pekka K Vallittu, Lippo Lassila, Andrea Scribante
Orthodontic and periodontal splints are prepared with round or flat metallic wires. As these devices cannot be used in patients with allergy to metals or with aesthetic demands, fiber-reinforced composite (FRC) retainers have been introduced. Stiffness of FRC materials could reduce physiologic tooth movement. In order to lower rigidity of conventional FRC retainers, a modified construction technique that provided a partial (spot) composite coverage of the fiber has been tested and compared with metallic splints and full-bonded FRCs...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29128199/local-injection-of-carrageenan-accelerates-orthodontic-tooth-movement-a-preliminary-experimental-animal-study
#17
Samira Kavoli, Maysam Mirzaie, Farideh Feizi, Vahid Rakhshan, Valiollah Arash, Ali Bijani
BACKGROUND: Orthodontic tooth movement (OTM) can be accelerated by increasing bone turnover. Carrageenan is a common food additive, which can induce inflammation. Hence, it might accelerate OTM. However, it has not been investigated to date. METHODS: This 2-phase preliminary animal experimental study was conducted on 28 Wistar rats. A pilot study on 5 mice was done to estimate the experimental dose of carrageenan. The first phase evaluated the effect of a 40μL carrageenan 1% injection on inflammation status in 7 rats versus 7 control rats, 6hours after the injection...
November 8, 2017: International Orthodontics
https://www.readbyqxmd.com/read/29127605/er-yag-laser-piezosurgery-and-surgical-drill-for-bone-decortication-during-orthodontic-mini-implant-insertion-primary-stability-analysis-an-animal-study
#18
Jacek Matys, Rafał Flieger, Gianluca Tenore, Kinga Grzech-Leśniak, Umberto Romeo, Marzena Dominiak
It is important to identify factors that affect primary stability of orthodontic mini-implants because it determines the success of treatment. We assessed mini-implant primary stability (initial mechanical engagement with the bone) placed in pig jaws. We also assessed mini-implant insertion failure rate (mini-implant fracture, mini-implants to root contact). A total of 80 taper-shaped mini-implants (Absoanchor® Model SH1312-6; Dentos Inc., Daegu, Korea) 6 mm long with a diameter of 1.1 mm were used. Bone decortication was made before mini-implant insertion by means of three different methods: Group G1: Er:YAG laser (LiteTouch®, Light Instruments, Yokneam, Israel) at energy of 300 mJ, frequency 25 Hz, fluence 38...
November 10, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29127377/bayesian-networks-analysis-of-malocclusion-data
#19
Marco Scutari, Pietro Auconi, Guido Caldarelli, Lorenzo Franchi
In this paper we use Bayesian networks to determine and visualise the interactions among various Class III malocclusion maxillofacial features during growth and treatment. We start from a sample of 143 patients characterised through a series of a maximum of 21 different craniofacial features. We estimate a network model from these data and we test its consistency by verifying some commonly accepted hypotheses on the evolution of these disharmonies by means of Bayesian statistics. We show that untreated subjects develop different Class III craniofacial growth patterns as compared to patients submitted to orthodontic treatment with rapid maxillary expansion and facemask therapy...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126948/polymerisation-antibacterial-and-bioactivity-properties-of-experimental-orthodontic-adhesives-containing-triclosan-loaded-halloysite-nanotubes
#20
Felipe Weidenbach Degrazia, Bruna Genari, Vicente Castelo Branco Leitune, Rodrigo Alex Arthur, Santiago Arias Luxan, Susana Maria Werner Samuel, Fabrício Mezzomo Collares, Salvatore Sauro
OBJECTIVE: To evaluate the immediate enamel bond strength, in situ degree of conversion and the polymerisation rate of three experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes. The antibacterial and bioactivity properties of such experimental materials were also assessed. MATERIALS AND METHODS: Three experimental orthodontic adhesives were formulated by incorporating triclosan-loaded halloysite nanotubes (TCN-HNT) at different concentrations (5wt%, 10wt% and 20wt%) into a resin blend (Control)...
November 7, 2017: Journal of Dentistry
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