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Mandibular distraction

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https://www.readbyqxmd.com/read/28299260/controlling-the-vector-of-distraction-osteogenesis-in-the-management-of-obstructive-sleep-apnea
#1
Dekel Shilo, Omri Emodi, Dror Aizenbud, Adi Rachmiel
BACKGROUND: Obstructive sleep apnea (OSA) in individuals with craniofacial anomalies can compromise airway and is a serious life-threatening condition. In many cases, tracheostomy is carried out as the treatment of choice. Distraction osteogenesis of the mandible as a treatment modality for OSA is very useful and may spare the need for tracheostomy or allow decannulation, yet controlling the vector of distraction is still a major challenge. We present a method for controlling the vector of distraction...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28299255/changes-in-posterior-airway-space-and-mandibular-plane-hyoid-distance-following-mandibular-advancement-do
#2
Pushpa Kumari, S K Roy, Indranil Dev Roy, A K Rajput, M P Prasanna Kumar, Sanjeev Datana, Serat Rahman
AIM: To study the changes in posterior airway space (PAS) and mandibular plane hyoid (MPH) distance following mandibular advancement using distraction osteogenesis (DO). SUBJECTS AND METHODS: A prospective study was conducted at a tertiary care dental center from May 2009 to May 2014. Twenty-five consecutively operated patients of mandibular hypoplasia who underwent mandibular advancement using distraction with at least 12 months follow-up were included in the study...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28286393/versatility-of-fibula-free-flap-in-reconstruction-of-facial-defects-a-center-study
#3
Sunil S Shroff, Sanjiv C Nair, Anjan Shah, Balasubramanya Kumar
PURPOSE: To study a series of cases where vascularised fibula flap was used in various combinations of bone with muscle and skin along with its modifications for reconstruction of simple and composite defects of the facial region. PATIENTS AND METHODS: The investigators designed a retrospective study composed of patients with any pathology or defect who underwent reconstruction of maxilla or mandible with vascularised fibula free flap from 2009 to 2013. All patients were evaluated for age, gender, location and type of defect, incorporation of adjoining skin paddle and muscle, number of fibula osteotomies, ischaemia time, anticoagulant regimen, length of hospital stay, flap failure rate, dental implant rehabilitation...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28208057/vertical-alveolar-distraction-osteogenesis-of-the-atrophic-posterior-mandible-before-dental-implant-insertion
#4
Adi Rachmiel, Dekel Shilo, Dror Aizenbud, Omri Emodi
PURPOSE: Augmentation of deficient mandibular posterior alveolar ridges poses a great challenge because of extensive bone deficiency and the presence of the inferior alveolar nerve. This study sets its focus on vertical alveolar distraction osteogenesis (ADO) at the posterior mandible before dental implant placement. MATERIALS AND METHODS: The study included 21 sites in 18 patients with severe mandibular posterior alveolar ridge deficiency. A trapezoidal osteotomy was performed, and an extraosseous alveolar distraction device was fixed and activated after a 4-day latency period at a rate of 0...
January 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28203515/curvilinear-segmental-mandibular-reconstruction-utilizing-distraction-osteogenesis-and-early-open-callus-manipulation
#5
Alberto Rocha Pereira, Paulo Neves, José Rosa, Scott Bartlett
The authors present a new technique for reconstruction of large curvilinear mandibular defects with distraction osteogenesis and early open callus manipulation. In phase 1, transport disks are created from mandibular bone and distracted across the entire length of the defect, without the restriction from a mandible plate fixation. This allows for full-length distraction until enough regenerate is obtained to reconstruct the defect without the need for additional bone grafts. Taking advantage of the soft moldable regenerate, the second and final operative procedure allows for the manipulation, repositioning, and fixation of the transported segments in the ideal position creating perfect tridimensional form and symmetry of the mandible arch...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28198643/the-role-of-curvilinear-distraction-system-in-pediatric-obstructive-sleep-apnea-a-case-report
#6
David Serrano Faustino Ângelo, Bruno Rosa, Rogério Santos, Carlos Diogo Matos
OBJECTIVE: The authors present a case of obstructive sleep apnea associated with severe mandibular micrognathia treated by mandibular bone distraction with curvilinear system planned under computer assistance. CLINICAL PRESENTATION: A 15-year-old child with limited compliance to continuous positive airway therapy was referred to the authors' department. Observation revealed severe mandibular micrognathia as the major cause for obstructive sleep apnea syndrome. The first polysomnography study revealed 14 obstructive apneas, 16 obstructive hypopneas, and 4...
February 15, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28169263/comparison-of-soft-tissue-changes-in-simultaneous-maxillomandibular-distraction-with-mandibular-distraction-with-second-stage-maxillary-osteotomy
#7
S M Balaji, Preetha Balaji
BACKGROUND: The purpose of this study was to compare the frontal lip cant changes in common facial asymmetry (FA) cases after simultaneous maxillomandibular distraction osteogenesis (DO) and mandibular DO with maxillary orthognathic surgery. MATERIALS AND METHODS: Retrospective analysis of FA cases at tertiary craniofacial referral was performed. Patients of either gender with all medical imaging records and pre- and post-operative (1 year) facial photographs in natural head position were included in the study...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28153168/transport-distraction-osteogenesis-combined-with-orthodontic-treatment-in-a-patient-with-unilateral-temporomandibular-joint-ankylosis
#8
Seo-Yeon Jung, Jung-Hyun Park, Hyung-Sik Park, Hyoung-Seon Baik
Temporomandibular joint ankylosis manifests a range of clinical characteristics dependent upon the age of onset, the affected side, and the severity. When it occurs during development, mandibular growth is affected, resulting in severe retrusion or asymmetry as well as limitation of mandibular movements. Progressive asymmetric mandibular growth in unilateral ankylosis causes canting of the occlusal plane. In this case report, we present a successful temporomandibular joint reconstruction using transport distraction osteogenesis combined with camouflage orthodontic treatment for occlusal canting correction of a patient with unilateral temporomandibular joint ankylosis and severe facial asymmetry...
February 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28134640/rehabilitation-of-the-work-accident-related-traumatic-mandible-with-iliac-free-flap-distraction-osteogenesis-and-dental-implants
#9
Yavuz Findik, Timuçin Baykul, Mustafa Asim Aydin, Selman Altuntaş, Zeynep Başağaoğlu Demirekin
Mandibular bone defects due to extensive trauma impair occlusion and affect the aesthetics of facial contouring, making it difficult to obtain a satisfactory outcome. Distraction osteogenesis and free flap is an effective and aesthetic treatment option for rehabilating these defects. In this clinical report, the authors present rehabilitation of a wide mandibular traumatic defect due to a work-related accident with iliac free flap, distraction osteogenesis, and dental implants.
January 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28126687/the-mechanically-activated-p38-mmp-2-signaling-pathway-promotes-bone-marrow-mesenchymal-stem-cell-migration-in-rats
#10
Zihui Yang, Baolei Wu, Sen Jia, Yinghua Zhao, Rui Hou, Xiaochang Liu, Xinge Wang, Litong Chen, Xinjie Yang, Delin Lei, Lei Wang
OBJECTIVE: The aim of the present study was to investigate the effect of static strain on bone marrow mesenchymal stem cell (BMMSC) migration and whether the p38/matrix metalloproteinase-2 (MMP-2) axis plays a role in induction of BMMSC migration under mechanical strain. DESIGN: Both in vivo and in vitro investigations were performed. Twelve adult male Sprague-Dawley rats were randomly divided into 2 groups (n=6 per group). Rats in the experimental group underwent right mandibular distraction osteogenesis, whereas rats in the control group were subjected to osteotomy in the mandible without distraction...
January 22, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28110408/gingival-recessions-of-lower-incisors-after-proclination-by-orthodontics-alone-or-in-combination-with-anterior-mandibular-alveolar-process-distraction-osteogenesis
#11
Gregory S Antonarakis, Christof Urs Joss, Albino Triaca, Anne Marie Kuijpers-Jagtman, Stavros Kiliaridis
OBJECTIVES: The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular alveolar process distraction osteogenesis (DO). MATERIALS AND METHODS: Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4...
January 21, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28109507/surgery-of-the-head-and-neck-in-patient-with-kniest-dysplasia-is-wound-healing-an-issue
#12
Qasim Husain, Jungsuk Cho, Jay Neugarten, Vikash K Modi
Kniest dysplasia is a type II collagen disorder that arises from a genetic mutation of the COL2A1 gene that results in short stature, midface anomalies, tracheomalacia, and hearing loss. Disruption of the normal collagen pathway can lead to many changes given its critical role in the body, and can cause complications with respect to wound healing. We present a case in which a patient with Kniest dysplasia successfully underwent multiple procedures in the head and neck region including cochlear implantation, mandibular distraction, palatoplasty, and laryngotracheal reconstruction...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28106628/neonatal-micrognathia-national-trends-in-early-mandibular-surgery
#13
Hillary E Jenny, Benjamin B Massenburg, E Hope Weissler, Peter J Taub
BACKGROUND: Micrognathia is a congenital anomaly that may pose breathing and feeding limitations in newborns, sometimes necessitating invasive management. The present study aims to identify the complications associated with receiving mandibular surgery during the birth stay in order to better predict which patients may benefit from early surgical intervention. METHODS: A retrospective cohort study was performed using the 2000 to 2012 kids' inpatient databases. We included all live newborn infants born in the hospital through vaginal delivery or caesarean section...
March 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28053912/management-of-obstructive-sleep-apnea-in-a-treacher-collins-syndrome-patient-using-distraction-osteogenesis-of-the-mandible
#14
İbrahim Damlar, Ahmet Altan, Berk Turgay, Soydan Kiliç
In this study, we present the surgical treatment of obstructive sleep apnea in a child with Treacher Collins syndrome. A 10-year-old girl with a past history of Treacher Collins syndrome presented to our clinic with her parents for respiratory distress and insomnia. The patient was referred to a sleep laboratory where she was diagnosed with obstructive sleep apnea, which was a consequence of her Treacher Collins syndrome. The patient underwent mandibular distraction osteogenesis under general anesthesia. The mandible was expanded by 15 mm using internal bilateral distractors...
December 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28027240/gastrostomy-placement-rates-in-infants-with-pierre-robin-sequence-a-comparison-of-tongue-lip-adhesion-and-mandibular-distraction-osteogenesis
#15
Srinivas M Susarla, Gerhard S Mundinger, Christopher C Chang, Edward W Swanson, Denver Lough, S Alex Rottgers, Richard J Redett, Anand R Kumar
BACKGROUND: This study was conducted to compare the gastrostomy rates in infants with Pierre Robin sequence treated with tongue-lip adhesion or mandibular distraction osteogenesis. METHODS: This was a retrospective study of symptomatic plastic and reconstructive surgery patients treated over an 8-year period. The primary predictor variable was surgical intervention (tongue-lip adhesion or distraction osteogenesis). Secondary predictor variables were categorized as demographic and clinical factors...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28027184/piezosurgery-an-asset-in-treatment-of-pierre-robin-sequence
#16
Divya Singh, Pushkar Gadre, Kiran Gadre, Shandilya Ramanojam
Pierre Robin sequence (formerly a syndrome) is named after the French stomatologist who, in 1923 and 1934, described the problems associated with micrognathia in newborn. It comprises mandibular micrognathia, U-shaped cleft palate, and glossoptosis. The typical symptoms are hypoxaemia, noisy breathing, snoring, stridor, cyanosis, bradycardia, feeding difficulties, and failure to thrive. Distraction osteogenesis has recently been considered as a surgical option for early intervention to lengthen the mandible and relieve respiratory problems...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28024774/three-dimensional-virtual-surgery-simulation-assisted-asymmetric-bilateral-mandibular-distraction-osteogenesis-for-a-patient-with-bilateral-condylar-fractures
#17
Myung-Jin Kim, Jihee Seo, Do-Keun Kim, Seung-Hak Baek
INTRODUCTION: Our objective was to report a patient treated with 3-dimensional virtual-surgery simulation-assisted asymmetric bilateral mandibular distraction osteogenesis. METHODS: A boy (age, 9.5 years) had mandibular hypoplasia and facial asymmetry, induced by bilateral condylar fractures at 4 years of age. The asymmetric bilateral mandibular distraction osteogenesis was planned to correct facial asymmetry and mandibular hypoplasia. The 3-dimensional virtual-surgery simulation results were 11 mm of horizontal distraction on the right side and 4...
January 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27977485/off-label-use-of-bone-morphogenetic-protein-2-in-the-reconstructions-of-mandibular-continuity-defects
#18
Marina Reis Oliveira, Luíz Fernando de Oliveira Gorla, Marisa Aparecida Cabrini Gabrielli, Valfrido Antonio Pereira-Filho
This paper describes 3 patients of off-label use of bone morphogenetic protein 2 (rhBMP-2) in the reconstruction of mandibular continuity defects. In the first patient, rhBMP-2 was associated with iliac crest bone graft for late mandibular reconstruction after resection of osteosarcoma. In the 2 other patients, rhBMP-2 was used alone. In 1 patient the mandibular continuity defect was due to resection for treatment of osteomyelitis and in the other patient a continuity defect was created by unsuccessful osteogenic distraction for correction of mandibular hypoplasia...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27976556/functional-outcomes-of-mandibular-distraction-for-the-relief-of-severe-airway-obstruction-and-feeding-difficulties-in-neonates-with-pierre-robin-sequence
#19
Ersoy Konaş, Mert Çalış, Ozan Bitik, Şule Yiğit, Ayşe Korkmaz, Murat Yurdakök, Gökhan Tunçbilek
The purpose of this study was to review the application of mandibular distraction to relieve severe airway obstruction or feeding problems of neonates. Thirteen neonates with Pierre Robin sequence who underwent bilateral mandibular distraction between 2010 and 2013 for relief of their severe airway obstruction or feeding problems were retrospectively reviewed. The mean preoperative and postoperative airway diameters were 3.89±1.64 and 9.03±1.98 mm. respectively and significant difference was observed with distraction (p < 0...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922963/publication-trends-in-craniofacial-distraction-a-bibliometrical-analysis
#20
Asra Hashmi, Adam Schumaier, Shenita White, Christina Yi, Faraz A Khan, Curtis J Hanba, Faisal Al-Mufarrej
PURPOSE: The purpose of this study was to analyze the craniofacial distraction literature published over the last 50 years and to determine various trends in publications. METHODS: A literature search was conducted in November and December 2015. The date search range was 1965 to 2015. Databases searched included Medline, Web of Science, Biosis, SciELO, Data Citation, and Zoologic Records. Data were collected on distraction type, author specialty, date of publication, country, state (if United States), number of citations, journal name, journal type, and Le Fort type (for midfacial distractions)...
January 2017: Journal of Craniofacial Surgery
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