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Artículos de revistas sobre el tema "Suture expansion"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 8 de febrero de 2022

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1

Woller, Jessica L., Ki Beom Kim, Rolf G. Behrents, and Peter H. Buschang. "An assessment of the maxilla after rapid maxillary expansion using cone beam computed tomography in growing children." Dental Press Journal of Orthodontics 19, no. 1 (2014): 26–35. http://dx.doi.org/10.1590/2176-9451.19.1.026-035.oar.

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INTRODUCTION: With the advent of cone beam computed tomography (CBCT), it is now possible to quantitatively evaluate the effects of rapid maxillary expansion (RME) on the entire maxillary complex in growing patients. OBJECTIVE: The purpose of this study is to use three-dimensional images to evaluate the displacement that occurs at the circummaxillary sutures (frontonasal, zygomaticomaxillary, intermaxillary, midpalatal, and transpalatal sutures) following rapid maxillary expansion in growing children. METHODS: The CBCT scans of 25 consecutively treated RME patients (10 male, 15 female) with me

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Wang, Yu-Chi, Peter M. S. Chang, and Eric Jein-Wein Liou. "Opening of Circumaxillary Sutures by Alternate Rapid Maxillary Expansions and Constrictions." Angle Orthodontist 79, no. 2 (2009): 230–34. http://dx.doi.org/10.2319/031208-141.1.

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Abstract Objective: To analyze quantitatively the circumaxillary suture opening after alternate rapid maxillary expansions and constrictions (Alt-RAMEC). Materials and Methods: Twelve inbred cats were randomly grouped into two equal groups for 1 week of rapid maxillary expansion (RME) (1 mm/day) or 5 weeks of Alt-RAMEC (1 mm/day). At the end of the experiment, the craniofacial skeleton of each cat was harvested. Each circumaxillary suture was then probed at three sites with a 0.5-mm pointed periodontal probe. A smooth probing without penetration was an ineffective suture opening (&lt;0.5 m

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Hudgins, Roger J., Steven R. Cohen, Fernando D. Burstein, and William R. Boydston. "Multiple Suture Synostosis and Increased Intracranial Pressure following Repair of Single Suture, Nonsyndromal Craniosynostosis." Cleft Palate-Craniofacial Journal 35, no. 2 (1998): 167–72. http://dx.doi.org/10.1597/1545-1569_1998_035_0167_mssaii_2.3.co_2.

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Objective Increased intracranial pressure, frequently associated with closure of multiple cranial sutures, has been reported to occur in 36% of cases following correction of syndromal craniosynostosis. Although much less common, multiple suture closure may occur following repair of single suture, non-syndromal craniosynostosis and we present cases that concern two such children. Results Two children with nonsyndromal craniosynostosis, one metopic and one left-coronal, underwent fronto-orbital advancement at age 3 months. At age 19 months and at age 5 years, respectively, both patients re-prese

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Ekizer, Abdullah, Mehmet Emir Yalvac, Tancan Uysal, Mehmet Fatih Sonmez, and Fikrettin Sahin. "Bone marrow mesenchymal stem cells enhance bone formation in orthodontically expanded maxillae in rats." Angle Orthodontist 85, no. 3 (2014): 394–99. http://dx.doi.org/10.2319/031114-177.1.

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ABSTRACT Objective: To transplant bone marrow–derived mesenchymal stem cells (MSCs) into the interpremaxillary suture after rapid maxillary expansion with the aim of increasing new bone formation in the suture. Materials and Methods: Nineteen male Wistar rats were divided into two groups (control, n = 9; experimental, n = 10). Both groups were subjected to expansion for 5 days, and 50 cN of force was applied to the maxillary incisors with a helical spring. Pkh67+ (green fluorescent dye)–labeled MSCs were applied to the interpremaxillary suture after force application into the interpremaxillary

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Angelieri, Fernanda, Lorenzo Franchi, Lucia H. S. Cevidanes, Bruno Bueno-Silva, and James A. McNamara Jr. "Prediction of rapid maxillary expansion by assessing the maturation of the midpalatal suture on cone beam CT." Dental Press Journal of Orthodontics 21, no. 6 (2016): 115–25. http://dx.doi.org/10.1590/2177-6709.21.6.115-125.sar.

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ABSTRACT Rapid maxillary expansion (RME) primarily involves the mechanical opening of the midpalatal suture of the maxillary and palatine bones. The fusion of the midpalatal suture determines the failure of RME, a common event in late adolescents and young adults. Recently, the assessment of the maturation of midpalatal suture as viewed using cone beam computed tomography (CBCT) has been introduced. Five maturational stages of the midpalatal suture have been presented: Stage A = straight high-density sutural line, with no or little interdigitation; Stage B = scalloped appearance of the high-de

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Lipatov, Vyacheslav A., Dmitriy A. Severinov, Artem A. Denisov, Sergey V. Lazarenko, and Nikolay N. Grigor’yev. "Research of physical and mechanical characteristics of suture material in experiment in operations on liver." I.P. Pavlov Russian Medical Biological Herald 28, no. 2 (2020): 193–99. http://dx.doi.org/10.23888/pavlovj2020282193-199.

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Taking into account the peculiarities of the blood supply to the liver and the structure of its parenchyma, and, as a result, considerable difficulties in providing reliable hemostasis without additional traumatization, a surgeon needs to be careful when performing a surgical manipulation. Despite a large number of modern methods for stopping parenchymal bleeding, many practi-tioners give preference to classic methods of hemostasis, including ligation of bleeding vessels in the bulk of the organ using specialized sutures. One of the most serious complications of the use of suture material is c

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Albright, A. Leland, and Elizabeth Tyler-Kabara. "Slit-ventricle Syndrome Secondary to Shunt-induced Suture Ossification." Neurosurgery 48, no. 4 (2001): 764–70. http://dx.doi.org/10.1097/00006123-200104000-00013.

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Abstract OBJECTIVE To report five children with slit-ventricle syndrome who were found to have increased intracranial pressure despite functioning cerebrospinal fluid shunts. METHODS Computed tomographic scans demonstrated erosion of the inner table of the cranium and sclerosis of the cranial sutures, particularly the coronal suture. Magnetic resonance imaging scans demonstrated no cerebrospinal fluid over the convexities. The patients were treated with cranial expansion operations that included removal of the sclerotic sutures, which were examined histologically. RESULTS Postoperatively, symp

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Requena Pérez, Mariano, Álvaro Zubizarreta-Macho, Pedro Colino Gallardo, Alberto Albaladejo Martínez, Daniele Garcovich, and Alfonso Alvarado-Lorenzo. "Novel Digital Measurement Technique to Analyze the Palatine Suture Expansion after Palatine Rapid Maxillary Expansion Technique." Journal of Personalized Medicine 11, no. 10 (2021): 962. http://dx.doi.org/10.3390/jpm11100962.

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The aim of the study was to validate a novel digital measurement method to quantify the volume of the midpalatal suture after rapid maxillary expansion (RME). Material and methods: Eight patients with maxillary skeletal transverse deficiency were submitted to palatine suture expansion using the McNamara orthodontic appliance during a period of nine months. After 30 days of treatment, all patients were exposed postoperatively to a cone-beam computed tomography (CBCT) scan. Afterwards, the scans were uploaded into the three-dimensional orthodontic-planning software to allow the volumetric assess

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Zhang, Qi Feng, Shu Juan Zou, Hai Xiao Zhou, Yang Xi Chen, Meng Chun Qi, and Zhi He Zhao. "The Bone Remodeling and Cellular Responses to Cranial Suture Distraction Osteogenesis in Growing Goats." Key Engineering Materials 342-343 (July 2007): 5–8. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.5.

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The purpose of the present study was to observe the response and changes of cranial suture to the distraction forces in growing goats and to examine the expression patterns of TGF-β and BMP during suture distraction.Twenty growing goats were divided into three groups: control (n=4), experimental (n=12), and sham (n=4). A pure titanium distractor was placed in the coronal suture in both the sham and experimental groups. After healing, the distractor was activated for distraction of the coronal suture at a rate of 0.5 mm/day for 8 days in the experimental group. Three animals were killed respect

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Suzuki, Selly Sayuri, Laila Fernanda Souza Braga, Denise Nami Fujii, Won Moon, and Hideo Suzuki. "Corticopuncture Facilitated Microimplant-Assisted Rapid Palatal Expansion." Case Reports in Dentistry 2018 (December 6, 2018): 1–12. http://dx.doi.org/10.1155/2018/1392895.

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Introduction. Microimplant-assisted rapid palatal expansion (MARPE) has been considered an alternative to avoid extensive surgical procedures. In order to obtain skeletal results of MARPE, force should be enough to overcome areas of resistance and the first one that is required to be disrupted is the midpalatal suture, which becomes increasingly interdigitated after adolescence. Objective. The present study aimed at providing a novel approach using a minimally invasive method called corticopuncture (CP) in association with MARPE illustrated by a case report of a 35-year-old Brazilian female Ca

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Prameswari, Noengki, Iwa Rahmat Sunaryo, Dian Widya Damaiyanti, and Agni Febrina. "The influence of hyperbaric oxygen therapy (HBOT) to intercausal relationship between blood vessels, osteoblast, and new bone formation during maxillary suture expansion." Padjadjaran Journal of Dentistry 32, no. 1 (2020): 14. http://dx.doi.org/10.24198/pjd.vol32no1.19684.

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Introduction: Expansion appliance that can imply tooth movement and opening maxilla suture might affect the blood vessels, bone cells, and formation of the new bone. HBOT accelerated the rate of osteoblast differentiation leading to an increase in bone formation during osteonecrosis. Research about HBOT during maxillary suture expansion has never been investigated. The purpose of this research was to correlate the blood vessels number, osteoblast by administered 2.4 ATA HBOT from day 8-14 to imply new bone formation during maxillary suture expansion. Methods: Eighteen male guinea pigs with ran

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Fastuca, Rosamaria, Ambra Michelotti, Riccardo Nucera, et al. "Midpalatal Suture Density Evaluation after Rapid and Slow Maxillary Expansion with a Low-Dose CT Protocol: A Retrospective Study." Medicina 56, no. 3 (2020): 112. http://dx.doi.org/10.3390/medicina56030112.

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Background and objectives: The aim of the present paper is to use low-dose computed tomography (CT) to evaluate the changes in the midpalatal suture density in patients treated with rapid maxillary expansion (RME) and slow maxillary expansion (SME). Materials and Methods: Thirty patients (mean age 10.2 ± 1.2 years) were retrospectively selected from the existing sample of a previous study. For each patient, a low-dose computed tomography examination was performed before appliance placement (T0) and at the end of retention (T1), seven months later. Using the collected images, the midpalatal sut

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Scomparin, Leandro, Wilber Paredes, Karina De Freitas, Marcela Rodrigues, Eduardo Da Fonseca, and Daniel Martins. "Efficacy of Sutures of the Ala Bases and in the Form of V-Y Labial in Patients Subject to the Surgically Assisted Expansion of Maxila." International Journal of Medical and Surgical Sciences 4, no. 1 (2018): 1127–39. http://dx.doi.org/10.32457/ijmss.2017.006.

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This study aimed to evaluate the effects of the Nasal Alar Bases suture (N.A.B.S.) and V-Y lip suture (V-Y.L.S.) in the maintenance of the distance between the nasal alar bases (N.A.B.) and the red lips display (R.L.D.) in patients operated for correction of crossbite with maxillary atresia. We evaluated 9 patients, 4 who received the above mentioned sutures, and 5 who received simple sutures. It was evaluated the measures N.A.B. and R.L.D. in the preoperative phase, postoperative, and after 7 and 450 days. Measurements of N.A.B. were stable throughout the experimental period in N.A.B.S. and V

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da Silva Filho, Omar Gabriel, Tulio Silva Lara, Helena Cristina da Silva, and Francisco Antônio Bertoz. "Post Expansion Evaluation of the Midpalatal Suture in Children Submitted to Rapid Palatal Expansion: a CT Study." Journal of Clinical Pediatric Dentistry 31, no. 2 (2007): 142–48. http://dx.doi.org/10.17796/jcpd.31.2.tu54hu4231w1073q.

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The aim of this prospective study was to evaluate the midpalatal suture in children submitted to rapid palatal expansion, at the end of the retention stage, with CT scans. The sample was comprised of 17 children aged between 5 years 2 months and 10 years 5 months. The tomographic images showed that the midpalatal suture was completely ossified from the anterior nasal spine area to the posterior nasal spine area at the end of the retention phase, that is, 8 to 9 months postexpansion.

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Choi, Young-Yuhn. "Age-related osteogenesis on lateral force application to rat incisor – Part I: Premaxilla suture remodeling." APOS Trends in Orthodontics 10 (March 30, 2020): 38–45. http://dx.doi.org/10.25259/apos_27_2020.

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Objectives: The suture is a fibrous tissue intervening two adjacent bone segments, existing only in the craniofacial region. In spite of wide use of palatal expansion in various ages, the age-dependent cellular mechanism for osteogenesis is largely unknown. The aim of this study was to examine the proliferation and differentiation pattern of the suture cells on lateral expansion in rats depending on the ages. Materials and Methods: Calibrated lateral tensile stress of 50 g was given to the male Sprague-Dawley rat incisors using a double helix in 30 young (10 weeks) and another 30 aged (52 week

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Yen, E. H. K., C. S. Yue, and D. M. Suga. "Effect of Force Level on Synthesis of Type III and Type I Collagen in Mouse Interparietal Suture." Journal of Dental Research 68, no. 12 (1989): 1746–51. http://dx.doi.org/10.1177/00220345890680120501.

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Nine-week-old Swiss male white mice were divided into groups killed after time intervals of force application of six h, and one, three, five, seven, ten, 14, 21, and 28 days. Each group had 45 animals: three control, three sham-operated, and three experimental animals for each of the five force levels: 50 g, 35 g, 25 g, 15 g, and 5 g. The experimental animals had helical springs placed surgically in their calvaria for expansion of the interparietal suture. The sham-operated animals received inactive springs. Control animals were at the same age as the experimental and sham-operated animals. Af

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Bud, Eugen Silviu, Cristina Ioana Bică, Mariana Păcurar, et al. "Observational Study Regarding Possible Side Effects of Miniscrew-Assisted Rapid Palatal Expander (MARPE) with or without the Use of Corticopuncture Therapy." Biology 10, no. 3 (2021): 187. http://dx.doi.org/10.3390/biology10030187.

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The use of maxillary expanders has the effect of distancing the maxillary bones at the level of the median palatal suture. During maxillary expansion, the main resistance forces occur at the zygomatico-maxillary sutures, and not in the median palatal suture, which is the basic principle on which this method is based. In this observational study, we evaluated possible complications at the skeletal and dentoalveolar level after palatal split using miniscrew-assisted rapid palatal expansion (MARPE) associated or not with corticopuncture (CP) therapy. The study included 27 patients with maxillary

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Bazargani, Farhan, Ingalill Feldmann, and Lars Bondemark. "Three-dimensional analysis of effects of rapid maxillary expansion on facial sutures and bones: A systematic review." Angle Orthodontist 83, no. 6 (2013): 1074–82. http://dx.doi.org/10.2319/020413-103.1.

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ABSTRACTObjective:To evaluate the evidence on three-dimensional immediate effects of rapid maxillary expansion (RME) treatment on growing patients as assessed by computed tomography/cone beam computed tomography (CT/CBCT) imaging.Materials and Methods:The published literature was searched through the PubMed, Embase, and Cochrane Library electronic databases from January 1966 to December 2012. The inclusion criteria consisted of randomized controlled trials, prospective controlled studies, and prospective case-series. Two reviewers extracted the data independently and assessed the quality of th

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Quintela, Marcelo de Melo, Sabrina Buchmann Rossi, Katty Lalangui Vera, et al. "Miniscrew-assisted rapid palatal expansion (MARPE) protocols applied in different ages and stages of maturation of the midpalatal suture: cases report." Research, Society and Development 10, no. 11 (2021): e503101119480. http://dx.doi.org/10.33448/rsd-v10i11.19480.

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Objective: To evaluate the Microimplant-assisted Rapid Palatal Expansion (MARPE), considered an alternative to surgical interventions for disjunction of the midpalatal suture in adolescent patients and young adults with maxillary transverse deficiency. The stage of ossification of the midpalatal suture, bone quality and adequate activation protocols are factors that can influence the quantity and quality of the orthopedic separation. Methodology: This paper demonstrates the application of MARPE in an unfavorable case report, of an adult patient with total crossbite, in an advanced stage of fus

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Utreja, Achint, Carol Bain, Brett Turek, et al. "Maxillary expansion in an animal model with light, continuous force." Angle Orthodontist 88, no. 3 (2018): 306–13. http://dx.doi.org/10.2319/070717-451.1.

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ABSTRACT Objectives: Maxillary constriction is routinely addressed with rapid maxillary expansion (RME). However, the heavy forces delivered by most RME appliances to expand the palate may lead to deleterious effects on the teeth and supporting tissues. The objective of this study was to explore a more physiologic maxillary expansion with light continuous force. Materials and Methods: Twenty 6-week-old Sprague-Dawley rats were equally divided into experimental (EXPT) and control (CTRL) groups. A custom-fabricated archwire expansion appliance made from 0.014-inch copper-nickel-titanium wire was

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Sun, Jun, Pierre P. Eleniste, Achint Utreja, Hakan Turkkahraman, Sean Shih‐Yao Liu, and Angela Bruzzaniti. "Pyk2 deficiency enhances bone mass during midpalatal suture expansion." Orthodontics & Craniofacial Research 23, no. 4 (2020): 501–8. http://dx.doi.org/10.1111/ocr.12402.

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Movassaghi, Kiumars, David E. Altobelli, and Hong Zhou. "Frontonasal suture expansion in the rabbit using titanium screws." Journal of Oral and Maxillofacial Surgery 53, no. 9 (1995): 1033–42. http://dx.doi.org/10.1016/0278-2391(95)90121-3.

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Narula, Khyati, Siddarth Shetty, Nandita Shenoy, and N. Srikant. "Evaluation of the degree of fusion of midpalatal suture at various stages of cervical vertebrae maturation." APOS Trends in Orthodontics 9 (December 31, 2019): 235–40. http://dx.doi.org/10.25259/apos_76_2019.

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Introduction: Rapid palatal expansion was initially done during circumpubertal age. However, the correct evidence suggests visualizing the patency of midpalatal suture (MPS) radiologically at different chronological age as there can be early or late fusion of suture in some cases. Objective: This study was aimed at assessing the fusion of MPS at different stages of cervical vertebrae maturation and to find any correlation between them from the patients of two South Indian districts. Design and Setting: A total of 144 subjects aged 10–20 years were included in our study. Materials and Methods:

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Vejnovic, Tihomir. "Cesarean delivery - Vejnovic modification." Srpski arhiv za celokupno lekarstvo 136, Suppl. 2 (2008): 109–15. http://dx.doi.org/10.2298/sarh08s2109v.

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INTRODUCTION. Cesarean delivery is the most common obstetric surgery today. Improvement of operative techniques, anaesthesia, care and transfusion has contributed to the safety of the procedure and expansion of indications. The operative technique usually consists of opening the abdominal wall by inferior transverse incision, isthmococervical transverse incision, and closing the uterus by continuous suture after delivering the neonate. Peritonisation is not obligatory. The last is the repair of the abdominal wall. The main characteristic of Vejnovic modification is shortening uterus suture so

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Saluja, Garauv, Akanksha Shukla, Gurkeerat Singh, Varun Goyal, Raj Kumar Singh, and Nishant Gupta. "Skeletal Expansion with GSR Expander." Orthodontic Journal of Nepal 11, no. 1 (2021): 61–64. http://dx.doi.org/10.3126/ojn.v11i1.39090.

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This article reports two cases treated with a modified Miniscrew Assisted Rapid Palatal Expander (MARPE) that was fabricated in-office. Two female patients aged 15 years and 18 years were treated for maxillary expansion. An in-office modified GSR Expander was used. The appliance was secured in the patient’s maxillary arch using four miniscrews. Expansion was carried out for 4 weeks and 2 weeks respectively. Considerable opening of mid palatal suture with skeletal expansion was observed. An economical and effective alternative to stock made MARPE with better adaptability and clinical modifiabil

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Lione, Roberta, Lorenzo Franchi, and Paola Cozza. "Does rapid maxillary expansion induce adverse effects in growing subjects?" Angle Orthodontist 83, no. 1 (2012): 172–82. http://dx.doi.org/10.2319/041012-300.1.

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Abstract Objective: To assess the scientific evidence that rapid maxillary expansion (RME) causes Adverse Effects on the midpalatal suture, vertical dimension, dental and periodontal structures in growing subjects. Materials and Methods Electronic databases were searched for articles dated through December 2011. The quality of the studies was ranked on a 13-point scale in which 1 was the low end of the scale and 13 was the high end. Results: Thirty relevant articles were identified. The amount of midpalatal suture opening ranged from 1.6 to 4.3 mm in the anterior region and from 1.2 to 4.4 mm

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Uysal, Tancan, Mihri Amasyali, Sukru Enhos, Mehmet Fatih Sonmez, and Deniz Sagdic. "Effect of ED-71, a New Active Vitamin D Analog, on Bone Formation in an Orthopedically Expanded Suture in Rats. A Histomorphometric Study." European Journal of Dentistry 03, no. 03 (2009): 165–72. http://dx.doi.org/10.1055/s-0039-1697427.

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ABSTRACTObjectives: The aim of this experimental study was to evaluate the effects of ED-71, a new active vitamin D analog, on bone regeneration in response to expansion of the mid-palatal suture, in rats, histomorphometrically.Methods: Sixteen male 50-60 days old Wistar rats were separated into two equal groups (control and experimental). Both groups were subjected to expansion, and 30 grams of force was applied to the maxillary incisors with a helical-spring. Experimental group was treated with single-dose ED-71 (0.8 μg/kg body weight) in the mid-palatal suture locally and eight control anim

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Clement, Evan A., and N. R. Krishnaswamy. "Skeletal and Dentoalveolar Changes after Skeletal Anchorage-assisted Rapid Palatal Expansion in Young Adults: A Cone Beam Computed Tomography Study." APOS Trends in Orthodontics 7 (June 1, 2017): 113–19. http://dx.doi.org/10.4103/2321-1407.207220.

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Objective The aim of this study was to evaluate skeletal and dentoalveolar changes before and after skeletal anchorage-assisted rapid palatal expansion in young adults by cone beam computed tomography. Materials and Methods This pilot study included ten patients with a mean age of 21.5 years with maxillary transverse deficiency treated with the skeletal expander. Three dimensional evaluation of the changes before and after expansion was evaluated with Cone Beam CT. Statistical analysis was performed using paired t-test. Results Skeletal expander produced an increase in maxillary transverse dim

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O'Shea, Geoffrey. "Cranial factors in neocortical evolution." Behavioral and Brain Sciences 26, no. 5 (2003): 566. http://dx.doi.org/10.1017/s0140525x03350125.

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Our understanding of paleoneurology can benefit through considerations of how ontogenetic patterns of skull suture ossification can limit the phylogenetic expansion of underlying brain tissue to specific regions. Additionally, the influence of biochemical, rather than biomechanical, mechanisms on skull suture morphogenesis enable a reconceptualization of the skull as an independent evolutionary system from the brain.

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Santana, Lucas Garcia, and Leandro Silva Marques. "Do adjunctive interventions in patients undergoing rapid maxillary expansion increase the treatment effectiveness?" Angle Orthodontist 91, no. 1 (2020): 119–28. http://dx.doi.org/10.2319/051320-431.1.

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ABSTRACT Objectives To evaluate the clinical effectiveness of adjunctive interventions in individuals undergoing rapid maxillary expansion (RME). Materials and Methods MEDLINE, Web of Science, Cochrane, Scopus, LILACS, and Google Scholar were searched without restrictions up to June 2020. Trials involving participants undergoing orthopedic or surgical RME, along with adjunctive interventions, were included. Risk-of-bias assessments were performed using the Cochrane tool for randomized trials-2. The certainty level of evidence was assessed through the Grading of Recommendations Assessment, Deve

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Romanyk, D. L., C. Shim, S. S. Liu, M. O. Lagravere, P. W. Major, and J. P. Carey. "Viscoelastic response of the midpalatal suture during maxillary expansion treatment." Orthodontics & Craniofacial Research 19, no. 1 (2015): 28–35. http://dx.doi.org/10.1111/ocr.12106.

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Yu, Hai-long, Liang-bi Xiang, Jun Liu, Yu Chen, Ming Yu, and Yan Cao. "Laminoplasty using Twinfix suture anchors to maintain cervical canal expansion." European Spine Journal 19, no. 10 (2010): 1795–98. http://dx.doi.org/10.1007/s00586-010-1419-5.

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Gabriel da Silva Filho, Omar, Tulio Silva Lara, Araci Malagodi de Almeida, and Helena Cristina da Silva. "Evaluation of the midpalatal suture during rapid palatal expansion in children: a CT study." Journal of Clinical Pediatric Dentistry 29, no. 3 (2005): 231–38. http://dx.doi.org/10.17796/jcpd.29.3.kvu17822u2056508.

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The midpalatal suture of 18 children submitted to rapid palatal expansion with the Haas fixed expander and ranging in age from 5 years 2 months to 10 years 5 months was evaluated with computerized tomography. The posterior nasal spine undergoes the impact of RPE in patients in the primary and mixed dentition stages, similarly to the anterior nasal spine though to a lesser extent. The average opening of the midpalatal suture was 2.21 mm in the anterior nasal spine region and 0.95 mm in the posterior nasal spine region.

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Stuani, Adriana Sasso, Paula Regina Ávila Silvano, Maya Fernanda Manfrin Arnez, et al. "VEGF and FGF-2 Released In Palatal Suture after Rapid Maxillary Expansion (RME)." Brazilian Dental Journal 32, no. 1 (2021): 98–103. http://dx.doi.org/10.1590/0103-6440202103527.

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Abstract Vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (FGF-2) have the ability to increase vascular proliferation and permeability. The aim of this study was to quantify the release of two diffusible angiogenic growth factors (VEGF and FGF-2) after rapid maxillary expansion (RME). Thirty animals were randomly assigned to two groups. Control group (5 rats - intact suture) and Experimental groups (25 rats with RME) which were evaluated in different periods of treatment. Five animals were euthanized in different periods of healing at 0, 1, 2, 3, 5 and 7 days after

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Altan, Burcu A., Isa M. Kara, Ruhi Nalcaci, et al. "Systemic propolis stimulates new bone formation at the expanded suture." Angle Orthodontist 83, no. 2 (2012): 286–91. http://dx.doi.org/10.2319/032612-253.1.

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ABSTRACT Objective: To investigate the effects of systemically given propolis on the expanded premaxillary suture in a rat study model. Materials and Methods: The 24 rats were randomly divided into three groups—only expansion (OE), expansion plus propolis (PRO), and nonexpansion (control) groups. After the 5-day expansion period was completed, the OE and PRO groups underwent 12 days of mechanical retention. At the end of this period, the animals were euthanatized and their pre-maxillae were dissected and fixed. Histomorphometric examination was performed to determine the number of osteoclasts,

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Sarraj, Mohamad, Sercan Akyalcin, Hong He, et al. "Comparison of skeletal and dentoalveolar changes between pure bone-borne and hybrid tooth-borne and bone-borne maxillary rapid palatal expanders using cone-beam computed tomography." APOS Trends in Orthodontics 11 (April 10, 2021): 32–40. http://dx.doi.org/10.25259/apos_160_2020.

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Objectives: The objectives of the study were to compare the skeletal, dentoalveolar, and periodontal changes between two types of microimplant-assisted rapid maxillary expansion appliances: The bone-anchored maxillary expanders (BAME) and the tooth-bone-anchored maxillary skeletal expander (MSE). Materials and Methods: Thirty-four patients with a transverse maxillary deficiency were divided into two groups; the first group (16 patients, average age 14.9 years) was treated with the MSE appliance, and the second group (18 patients, average age 13.8 years) was treated with the BAME appliance. Con

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Uysal, Tancan, Ayca Ustdal, Mehmet Fatih Sonmez, and Figen Ozturk. "Stimulation of Bone Formation by Dietary Boron in an Orthopedically Expanded Suture in Rabbits." Angle Orthodontist 79, no. 5 (2009): 984–90. http://dx.doi.org/10.2319/112708-604.1.

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Abstract Objective: To evaluate the effects of dietary boron on bone regeneration in rabbits in response to expansion of the midpalatal suture during different retention periods. Materials and Methods: Twenty-eight 12-week-old New Zealand white male rabbits were separated into four equal groups: group 1 (B+10) and group 2 (B−10) had retention periods of 10 days with or without boron intake, respectively. Group 3 (B+20, with boron) and group 4 (B−20, without boron) were retained for 20 days. All groups had a 5-day expansion period. For both B+ groups, boron was prepared in distilled water and g

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Gurgel, J. d. A., M. F. V. Malmstrom, and C. R. M. Pinzan-Vercelino. "Ossification of the midpalatal suture after surgically assisted rapid maxillary expansion." European Journal of Orthodontics 34, no. 1 (2011): 39–43. http://dx.doi.org/10.1093/ejo/cjq153.

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Celenk-Koca, Tugce, Aslihan Ertan Erdinc, Serpil Hazar, Lacey Harris, Jeryl D. English, and Sercan Akyalcin. "Evaluation of miniscrew-supported rapid maxillary expansion in adolescents: A prospective randomized clinical trial." Angle Orthodontist 88, no. 6 (2018): 702–9. http://dx.doi.org/10.2319/011518-42.1.

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ABSTRACT Objectives: To evaluate and compare the dental and skeletal changes with conventional and miniscrew-supported maxillary expansion appliances in adolescents. Materials and Methods: Forty patients were divided into two groups, with one group receiving a tooth-borne expander and the other group receiving an expander supported by four miniscrews (bone-borne). Multiplanar coronal and axial slices obtained from cone-beam computed tomography images were used to measure the changes in transverse skeletal widths, buccal bone thickness, tooth inclination, and root length. Paired t-tests and ind

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Ngan, Peter, Uyen Kelly Nguyen, Tung Nguyen, Timothy Tremont, and Chris Martin. "Skeletal, Dentoalveolar, and Periodontal Changes of Skeletally Matured Patients with Maxillary Deficiency Treated with Microimplant-assisted Rapid Palatal Expansion Appliances: A Pilot Study." APOS Trends in Orthodontics 8 (June 1, 2018): 71–85. http://dx.doi.org/10.4103/apos.apos_27_18.

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Introduction Microimplant-assisted rapid palatal expansion (MARPE) has recently been offered to adult patients for correcting maxillary transverse deficiency. However, there is limited information in the literature on the success of this appliance and its skeletal and dental effects on skeletally matured patients. The purpose of this study was to investigate the immediate skeletal, dentoalveolar, and periodontal response to MARPE appliance using cone-beam computed tomography in a skeletally matured patient as assessed by the cervical vertebral maturation method. Materials and Methods Eight con

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Shin, Hyerin, Chung-Ju Hwang, Kee-Joon Lee, Yoon Jeong Choi, Sang-Sun Han, and Hyung Seog Yu. "Predictors of midpalatal suture expansion by miniscrew-assisted rapid palatal expansion in young adults: A preliminary study." Korean Journal of Orthodontics 49, no. 6 (2019): 360. http://dx.doi.org/10.4041/kjod.2019.49.6.360.

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Bartok, Ruxandra, Bogdan Dimitriu Dimitriu, Constantin Vârlan, et al. "Calculations used for assessment of rapid maxillary expansion." ORL.ro 1, no. 1 (2016): 24–26. http://dx.doi.org/10.26416/orl.30.1.2016.525.

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Rapid maxillary expansion is defined as the release of medio-palatine suture using an orthopedic forces. The role of this procedure is to expand the upper jaw in order to achieve the broadening of the upper arch. This study was initiated to quantify the effects of disjunction and post- treatment bone changes, after an adequate contention which lasted for three weeks. This study is carried on laboratory animals (common breed rabbit) to determine tensile strength and the elasticity modulus of biological materials used in orthdodontics. The results of the study are consistent with those reported

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Barbosa, Ítalo Oliveira, Bruno Dezen Vieira, Julianna Mendes Sales, et al. "Bone-borne distractor versus tooth-borne distractor for maxillary expansion: a Systematic Review." Research, Society and Development 9, no. 11 (2020): e259119055. http://dx.doi.org/10.33448/rsd-v9i11.9055.

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The etiology of transverse maxillary deficiency is considered multifactorial, and has a deleterious effect on the bone development of the maxilla and nasal cavities, causing maxillary atresia and posterior crossbite. The objective of this systematic review was to compare in the scientific literature the effectiveness of the maxillary disjunction treated using dental distractor versus bone distractor. A systematic literature review was performed using the Science Direct, Embase, Cochrane Collaboration Library, and PubMed / MEDLINE databases. The search strategy provided a total of 119 studies.

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Suzuki, Hideo, Won Moon, Luiz Henrique Previdente, Selly Sayuri Suzuki, Aguinaldo Silva Garcez, and Alberto Consolaro. "Miniscrew-assisted rapid palatal expander (MARPE): the quest for pure orthopedic movement." Dental Press Journal of Orthodontics 21, no. 4 (2016): 17–23. http://dx.doi.org/10.1590/2177-6709.21.4.017-023.oin.

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ABSTRACT The midpalatal suture has bone margins with thick connective tissue interposed between them, and it does not represent the fusion of maxillary palatal processes only, but also the fusion of palatal processes of the jaws and horizontal osseous laminae of palatal bones. Changing it implies affecting neighboring areas. It has got three segments that should be considered by all clinical analyses, whether therapeutic or experimental: the anterior segment (before the incisive foramen, or intermaxillary segment), the middle segment (from the incisive foramen to the suture transversal to the

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Bilgiç, Fundagül, İbrahim Damlar, Özgür Sürmelioğlu, Özlem Akıncı Sözer, and Ufuk Tatlı. "Relationship between voice function and skeletal effects of rapid maxillary expansion." Angle Orthodontist 88, no. 2 (2017): 202–7. http://dx.doi.org/10.2319/062717-431.1.

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ABSTRACT Objective: To evaluate the effects of rapid maxillary expansion (RME) on the vocal quality, maxillary central incisors, midpalatal suture, and nasal cavity in patients with maxillary crossbite. Materials and Methods: Coronal CT scans of 30 subjects (14 boys, 16 girls; mean age, 12.01 ± 0.75) were taken before RME (T0), and at the end of the expansion phase (T1). Voice samples of all patients were recorded with a high-quality condenser microphone (RODE NT2-A) on a desktop computer at T0 and T1. Statistical analyses were performed using a paired-sample t-test. The degree of association

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Al Dzhafari, A. K., and S. A. Ulyanovskaya. "RAPID PALATAL EXPANSION AND ITS FEATURES." ASJ. 2, no. 40 (2020): 20–22. http://dx.doi.org/10.31618/asj.2707-9864.2020.2.40.23.

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Rapid Maxillary expansion or palatal expansion as it is sometimes called, occupies unique niche in dentofacial therapy. Rapid Maxillary expansion (RME) is a skeletal type of expansion that involves the separation of the mid-palatal suture and movement of the maxillary shelves away from each other. RME effects the maxillary complex, palatal vaults, maxillary anterior and posterior teeth, adjacent periodontal structures to bring about an expansion in the maxillary arch. Morphogenesis and anatomical features of the upper jaw determine the choice of the method of rapid palatal expansion with narro

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Li, Yafang, Yiqiang Qiao, Huanhuan Wang, and Zao Wang. "Intraperitoneal injection of PDTC on the NF-kB signaling pathway and osteogenesis indexes of young adult rats with anterior palatal suture expansion model." PLOS ONE 16, no. 7 (2021): e0243108. http://dx.doi.org/10.1371/journal.pone.0243108.

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In recent years, many studies have found that mechanical tension can activiate NF-kB signal pathway and NF-kB plays an important role in the process of osteogenesis. However, it is still unclear whether this process exists in the anterior palatal suture expansion. In this paper, we mainly studied the effect of intraperitoneal injection of PDTC on the NF-kB signaling pathway and osteogenesis index of the anterior palatal suture expansion model in young adult rats. The expansion model is grouped and established: 45 male 8-week-old Sprague-Dawley rats were randomly divided into three groups, an e

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Andrucioli, Marcela Cristina Damião, and Mírian Aiko Nakane Matsumoto. "Transverse maxillary deficiency: treatment alternatives in face of early skeletal maturation." Dental Press Journal of Orthodontics 25, no. 1 (2020): 70–79. http://dx.doi.org/10.1590/2177-6709.25.1.070-079.bbo.

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ABSTRACT Transverse deficiencies should be a priority in orthodontic treatment, and should be corrected as soon as diagnosed, to restore the correct transverse relationship between maxilla and mandible and, consequently, normal maxillary growth. Corrections may be performed at the skeletal level, by opening the midpalatal suture, or by dentoalveolar expansion. The choice of a treatment alternative depends on certain factors, such as age, sex, degree of maxillary hypoplasia and maturation of the midpalatal suture. Thus, the present study discusses different treatment approaches to correct maxil

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Wang, Enqun, Yuchun Yan, Chuanfeng Zhu, Xiaomiao Lu, and Ming Sun. "A comparative histologic study of rapid three-dimensional zygomatic suture expansion osteogenesis." Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology 106, no. 1 (2008): 29–33. http://dx.doi.org/10.1016/j.tripleo.2007.12.031.

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Vardimon, Alexander Dan, Tamar Brosh, Adir Spiegler, Myron Lieberman, and Sandu Pitaru. "Rapid palatal expansion: Part 1. Mineralizationpattern of the midpalatal suture in cats." American Journal of Orthodontics and Dentofacial Orthopedics 113, no. 4 (1998): 371–78. http://dx.doi.org/10.1016/s0889-5406(98)80006-1.

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