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Distraction osteogenesis

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https://www.readbyqxmd.com/read/28803739/two-stage-reconstruction-of-the-severely-deficient-alveolar-ridge-bone-graft-followed-by-alveolar-distraction-osteogenesis
#1
A Rachmiel, O Emodi, D Aizenbud, D Rachmiel, D Shilo
Distraction osteogenesis for the augmentation of severe alveolar bone deficiency has gained popularity during the past two decades. In cases where the vertical bone height is not sufficient to create a stable transport segment, performing alveolar distraction osteogenesis (ADO) is not possible. In these severe cases, a two-stage treatment protocol is suggested: onlay bone grafting followed by ADO. An iliac crest onlay bone graft followed by ADO was performed in 13 patients: seven in the mandible and six in the maxilla...
August 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28802681/activated-fgfr3-promotes-bone-formation-via-accelerating-endochondral-ossification-in-mouse-model-of-distraction-osteogenesis
#2
Yusuke Osawa, Masaki Matsushita, Sachi Hasegawa, Ryusaku Esaki, Masahito Fujio, Bisei Ohgawara, Naoki Ishiguro, Kinji Ohno, Hiroshi Kitoh
Achondroplasia (ACH) is one of the most common short-limbed skeletal dysplasias caused by gain-of-function mutations in the fibroblast growth factor receptors 3 (FGFR3) gene. Distraction osteogenesis (DO) is a treatment option for short stature in ACH in some countries. Although the patients with ACH usually show faster healing in DO, details of the newly formed bone have not been examined. We have developed a mouse model of DO and analyzed new bone regenerates of the transgenic mice with ACH (Fgfr3(ach) mice) histologically and morphologically...
August 9, 2017: Bone
https://www.readbyqxmd.com/read/28799987/a-brief-history-of-limb-lengthening
#3
John G Birch
In the last 35 years, orthopaedic surgeons have witnessed 3 major advances in the technique of limb lengthening: "distraction osteogenesis" facilitated by Gavriil Ilizarov method and infinitely-adaptable circular fixator with fine-wire bone fragment fixation; the introduction of the "6-strut" computer program-assisted circular fixators to effect complex deformity correction simultaneously; and the development of motorized intramedullary lengthening nails. However, the principles and associated complications of these techniques are on the basis of observations by Codivilla, Putti, and Abbott from as much as 110 years ago...
September 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28763580/enhancement-of-bone-regeneration-with-the-accordion-technique-via-hif-1%C3%AE-vegf-activation-in-a-rat-distraction-osteogenesis-model
#4
Jia Xu, Yuxin Sun, Tianyi Wu, Yang Liu, Liu Shi, Jinfang Zhang, Qinglin Kang, Yimin Chai, Gang Li
Axial micromotion of bone fragments promotes callus formation and bone healing during the process of distraction osteogenesis (DO). The present study investigated the effects of the combined axial compression and distraction (accordion) technique on bone regeneration in rat DO model. Male Sprague-Dawley rats (n = 62) underwent right tibial transverse osteotomy, and were randomly divided into four groups after lengthening: control (no manipulation) and three experimental groups assigned based on the period of accordion maneuvers in the consolidation phase (Groups 1, 2, and 3 with accordion technique applied at weeks 1, 3, and 5, respectively)...
August 1, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28760282/rate-of-tooth-movement-and-dentoskeletal-effects-of-rapid-canine-retraction-by-dentoalveolar-distraction-osteogenesis-a-prospective-study
#5
Gökmen Kurt, Haluk İşeri, Reha Kişnişçi, Özkan Özkaynak
INTRODUCTION: The purpose of this study was to test the null hypothesis that duration of orthodontic treatment can be significantly reduced by accelerating canine retraction using dentoalveolar distraction (DAD). METHODS: Thirty-six maxillary canines of 19 patients comprised the DAD group, and 28 canines of 14 patients were included in the distalization group (DG). The initial mean ages were 15.8 ± 1.96 years for the DAD group and 16.02 ± 2.8 years for the DG...
August 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28757934/applications-of-biomaterials-for-bone-augmentation-of-jaws-clinical-outcomes-and-in-vitro-studies
#6
L Tettamanti, M Andreasi Bassi, G Trapella, V Candotto, A Tagliabue
Partially or totally edentulous jaws frequently undergoes from moderate to severe bone atrophy with problems of prosthetic rehabilitation. The inability to make a prosthetic rehabilitation on implants may led to the use of a partial or total removable denture with difficulties in eating and speech, ulcerations of the oral mucosa and loss of facial vertical dimension. These problems may be solved performing bone augmentation procedures. Bone grafts and distraction osteogenesis brought implant dentistry from an experimental practice to become a consolidate dental procedure...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28740786/virtual-surgical-planning-for-mandibular-distraction-in-infants-with-robin-sequence
#7
Cory M Resnick
Mandibular distraction osteogenesis (MDO) successfully relieves obstructive sleep apnea in many infants with Robin sequence. Preoperative virtual surgical planning and fabrication of three-dimensionally printed cutting guides may lead to further improvements in the MDO technique and decrease the risk for damage to adjacent structures such as developing teeth and the inferior alveolar nerve. This report presents an algorithm for virtual surgical planning and three-dimensionally printing of cutting guides for MDO in infants with RS...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28738191/comparison-of-dental-implant-performance-following-vertical-alveolar-bone-augmentation-with-alveolar-distraction-osteogenesis-or-autogenous-onlay-bone-grafts-a-retrospective-cohort-study
#8
Kai Zhao, Feng Wang, Wei Huang, Yiqun Wu
PURPOSE: The aim of this retrospective study was to compare the performance of implants placed after alveolar distraction osteogenesis (ADO) or autogenous onlay bone grafting (AOBG) based on implant survival, peri-implant bone resorption, and clinical parameters. MATERIALS AND METHODS: From February 2008 to July 2012, 17 patients (6 women and 11 men) with implant placement after ADO (group 1, n = 8) or AOBG (group 2, n = 9) were included in this retrospective study...
July 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28734994/distraction-osteogenesis-normalizes-mandibular-body-symphysis-morphology-in-infants-with-robin-sequence
#9
Srinivas M Susarla, Kelly N Evans, Hitesh Kapadia, Nefeli Vasilakou, Mark E Egbert, Richard A Hopper
PURPOSE: To evaluate changes in mandibular morphology in infants with Robin sequence (RS) after mandible distraction osteogenesis (MDO) and compare the post-distraction morphology with that in infants without RS and infants with RS who had not undergone MDO. MATERIALS AND METHODS: Infants with RS treated with MDO were retrospectively evaluated over a 12-year period. All patients had pre-distraction and end-consolidation maxillofacial computed tomograms. Morphologic features of the mandible were divided into ramus and condyle, body and symphysis, and composite measurements...
June 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28721990/neocondyle-distraction-osteogenesis-in-the-management-of-temporomandibular-joint-ankylosis-report-of-five-cases-with-review-of-literature
#10
Ravi Sharma, R Manikandhan, P Sneha, Anantanarayanan Parameswaran, J Naveen Kumar, Hermann F Sailer
INTRODUCTION AND OBJECTIVES: Management of temporomandibular joint (TMJ) ankylosis is a challenging and rather daunting task owing to complex abnormal anatomy and its sequel to craniofacial structures. Various autogenous grafts and alloplastic materials have been tried with variable success for creation of a near-normal joint. In recent years, neocondyle distraction has added a new dimension to the management of TMJ ankylosis. The aim of this paper is to describe the role of neocondyle distraction in TMJ ankylosis...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28717294/study-of-distracted-bone-in-maxilla-a-comparative-analysis
#11
Rohan Thomas Mathew, Mustafa Khader, Shehzana Fathima, B H Sripathi Rao
INTRODUCTION: Anterior maxillary distraction is one of the accepted modalities to treat hypoplastic maxilla. The study was undertaken to assess the maturation of the bone formed, which is measured by analyzing the amount of mineralization of the bone. MATERIALS AND METHODS: For the study 29 patients were chosen, who were divided into three groups. First group consist of patients who had undergone distraction osteogenesis. Second group has cleft patients and third group is the control group...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28713745/recovering-breathing-and-feeding-of-a-newborn-with-pierre-robin-sequence
#12
Francisnele Maria de Aquino Fraporti Tomáz, Alvaro Henrique Borges, Alexandre Meireles Borba, Luiz Evaristo Ricci Volpato
Pierre Robin sequence (PRS) is characterized by the triad micrognathia, glossoptosis, and airway obstruction, commonly associated with cleft palate. This study reports the case of a patient with characteristics consistent with the diagnosis of PRS in the 1(st) week of life. To stabilize the airway, oro-tracheal intubation was performed without success, followed by tracheostomy and glossopexy and after a small improvement in symptoms, it was decided to perform the mandibular distraction osteogenesis (MDO). At the age of 6, her maxillofacial development was within expectations, with patent airway, the presence of deciduous teeth, and without neurological impairment...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713738/three-dimensional-planning-and-reconstruction-of-the-mandible-in-children-with-craniofacial-microsomia-type-iii-using-costochondral-grafts
#13
Omri Emodi, Yair Israel, Michal Even Almos, Dror Aizenbud, John A Van Aalst, Adi Rachmiel
BACKGROUND: In craniofacial microsomia (CFM) Type III patients, autogenous costochondral grafts (CCG) are conventionally used for the reconstruction of the ramus and condyle. The aim of this study was to describe the use of CCG in children with CFM in terms of outcomes, growth patterns, and complications. MATERIALS AND METHODS: This is a retrospective study of nine, aged 4-12 years, patients with CFM Type III, who underwent reconstruction of the mandibular ramus condyle unit by CCG...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713737/maxillary-distraction-osteogenesis-in-unilateral-cleft-lip-and-palate-patients-with-rigid-external-distraction-system
#14
Shadi Alkhouri, Peter D Waite, Matthew B Davis, Ejvis Lamani, Chung How Kau
AIM: Distraction osteogenesis (DO) is a treatment option for patients with maxillary hypoplasia secondary to cleft lip and palate (CLP). PURPOSE: The aim of this study is to present a technique for maxillary DO using Le Fort I osteotomy with rigid external distraction (RED) system. SUBJECTS AND METHODS: The patient presented in this paper was an Asian female with CLP aged 13 years and 6 months. She presented with severe midfacial deficiency with a Class III dental malocclusion with a negative overjet and concave facial profile...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713734/treatment-of-micrognathia-by-intraoral-distraction-osteogenesis-a-prospective-study
#15
M Baskaran, S Gidean Arularasan, T K Divakar, Rohini Thirunavukkarasu
PURPOSE: Maxillofacial deformities are always psychologically and physically distressing to the patients and is also challenging to the treating surgeons. The term Micrognathia means a "small jaw". True micrognathia, where the maxilla or the mandibular skeleton does not grow to the full size can be congenital or acquired. Distraction osteogenesis also called as callus distraction or callostasis or osteodistraction or distraction histogenesis is a biological process of regenerating newly formed bone and adjacent soft tissue by a gradual and controlled traction of surgically separated bone segments...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713728/identifying-complications-in-distraction-osteogenesis
#16
EDITORIAL
S M Balaji
No abstract text is available yet for this article.
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28708644/comparison-of-the-effects-of-local-and-systemic-zoledronic-acid-application-on-mandibular-distraction-osteogenesis
#17
Serkan Dundar, Gokhan Artas, Izzet Acikan, Ferhan Yaman, Mustafa Kirtay, Muhammed Fatih Ozupek, Fatih Asutay, Mustafa Kom
Bisphosphonates are antibone resorptive drugs that are used to prevent bone tissue resorption in several skeletal diseases. The aim of this study was to examine the effects of systemic and local applications of zoledronic acid (ZA) on newly regenerated bone in a model of experimental distraction osteogenesis (DO). To do this mandibular DO was applied to 30 adult female Sprague Dawley rats, which were randomly divided into 3 groups: control, DO only, systemic zoledronic acid (SZA), and local zoledronic acid (LZA)...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28706792/simultaneous-maxillomandibular-distraction-osteogenesis-in-hemifacial-microsomia-report-of-7-cases
#18
Divya Mehrotra, Debraj Howladar, Dichen P Bhutia
INTRODUCTION: The goal in treating Hemifacial microsomia (HFM) is to improve facial symmetry, allow functional jaw movement, obtain stable occlusion, and achieve patient satisfaction. This study was planned with an aim to assess the outcome of simultaneous maxillomandibular distraction osteogenesis in hemifacial microsomia. MATERIAL & METHODS: Seven patients with hemifacial microsomia were included in this study and demographic data was obtained. Simultaneous maxillo-mandibular distraction was planned for correction of maxillary cant, vertical ramal lengthening and midline, by performing unilateral mandibular osteotomy in ramus and distractor fixation, a Le Fort I osteotomy, with fixation at contralateral zygomatic buttress and intermaxillary elastics...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28692514/application-of-bidirectional-distraction-osteogenesis-for-the-treatment-of-mandibular-micriognathia-caused-by-temporomandibular-joint-ankylosis
#19
Chi Zhang, Yunfeng Li, Bin Ye, Yao Liu, Chongyun Bao, Songsong Zhu
BACKGROUND: Temporomandibular joint (TMJ) ankylosis is a joint disorder that refers to bone or fibrous adhesion of the anatomic joint components and the ensuing loss of function. When it happens on children, it is always accompanied by dentofacial deformities. The objective of this study was to describe the authors' experience of bidirectional distraction osteogenesis for the treatment of mandibular deformities caused by TMJ ankylosis. METHODS: Sixteen patients with TMJ ankylosis and severe secondary mandibular deformities were treated with bidirectional distraction osteogenesis and release of joint from January 2013 to December 2015...
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28692498/distraction-of-fronto-orbital-segment-as-a-nonvascularized-bone-graft-in-craniosynostotic-patients
#20
Gökhan Tunçbilek, Ersoy Konaş, Mert Çaliş, Galip Gencay, Burçak Bilginer
Fronto-orbital advancement using distraction techniques involves the dura left attached to the osteotomized bone segment to avoid dead space formation and dural injury, whereas it is impossible to reshape the supraorbital bar and the frontal bone complex, when necessary. Our approach combines advantageous parts of conventional and distraction osteogenesis techniques as remodel and distract the supraorbital bar and frontal bone complex as a free bone graft. Twenty-seven patients either being syndromic and nonsyndromic craniosynostosis, with at least 3 years of follow-up were reviewed in this study...
July 7, 2017: Journal of Craniofacial Surgery
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