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Maxillary reconstruction

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https://www.readbyqxmd.com/read/28207469/sequence-of-surgical-reconstruction-in-a-child-with-cleft-lip-and-palate-associated-with-congenital-facial-teratomas
#1
Oswaldo J Gómez Díaz, Mario D Cruz Sánchez
We describe a case of left homolateral complete cleft lip/palate associated with a congenital left maxillary teratoma and left orbital teratoma. The patient required step-by-step reconstruction that first included resection of the 2 teratomas in consideration of cleft lip repair, cleft palate repair, and correction of the left periorbital anomalies, which were performed later. After performing all the necessary procedures, complete resection of the tumors and correction of the anomalies associated with the lip, palate, and left orbit were achieved...
February 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28204849/effects-of-impacted-maxillary-canines-on-root-resorption-of-lateral-incisors-a-cone-beam-computed-tomography-study
#2
Faruk I Ucar, Ahmet A Celebi, Enes Tan, Tolga Topcuoğlu, Ahmet Ercan Sekerci
OBJECTIVES: The aim of this study was to analyze the amount of root resorption of maxillary lateral incisors by relating the position, location, and angulation of the impacted canine using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: The study sample consisted of panoramic and CBCT radiographs of 46 patients with a unilateral impacted canine (16 males and 30 females; mean age: 19.53 ± 6.66 and 19.44 ± 5.77 years, respectively). Sector location and canine angulation were measured in panoramics...
February 15, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28202996/-surgical-reconstruction-of-maxillary-defects-using-a-computer-assisted-techniques
#3
W B Zhang, Y Yu, Y Wang, X J Liu, C Mao, C B Guo, G Y Yu, X Peng
The maxilla is the most important bony support of the mid-face skeleton and is critical for both esthetics and function. Maxillary defects, resulting from tumor resection, can cause severe functional and cosmetic deformities. Furthermore, maxillary reconstruction presents a great challenge for oral and maxillofacial surgeons. Nowadays, vascularized composite bone flap transfer has been widely used for functional maxillary reconstruction. In the last decade, we have performed a comprehensive research on functional maxillary reconstruction with free fibula flap and reported excellent functional and acceptable esthetic results...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202369/histomorhological-and-clinical-evaluation-of-maxillary-alveolar-ridge-reconstruction-after-craniofacial-trauma-by-applying-combination-of-allogeneic-and-autogenous-bone-graft
#4
Francesco Saverio De Ponte, Roberto Falzea, Michele Runci, Enrico Nastro Siniscalchi, Floriana Lauritano, Ennio Bramanti, Gabriele Cervino, Marco Cicciu
A variety of techniques and materials for the rehabilitation and reconstruction of traumatized maxillary ridges prior to dental implants placement have been described in literature. Autogenous bone grafting is considered ideal by many researchers and it still remains the most predictable and documented method. The aim of this report is to underline the effectiveness of using allogeneic bone graft for managing maxillofacial trauma. A case of a 30-year-old male with severely atrophic maxillary ridge as a consequence of complex craniofacial injury is presented here...
January 20, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28196166/direct-resin-composite-restoration-of-maxillary-central-incisors-with-fractured-tooth-fragment-reattachment-case-report
#5
Monika Szmidt, Maciej Górski, Katarzyna Barczak, Jadwiga Buczkowska-Radlińska
This article presents a clinical protocol to reconstruct two accidentally damaged maxillary central incisors using composite resin material and a fractured tooth component. A patient was referred to the clinic with fracture of the two maxillary central incisors. Clinical examination revealed that both teeth were fractured in the middle third of the crown and that the fractures involved enamel and dentin with no pulp exposure. The patient had also suffered a lower lip laceration. When the lip was evaluated, a fractured fragment of the maxillary right central incisor was found inside the wound...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28196155/subperiosteal-minimally-invasive-aesthetic-ridge-augmentation-technique-smart-a-new-standard-for-bone-reconstruction-of-the-jaws
#6
Ernesto A Lee
Traditional guided bone regeneration techniques include flap mobilization and placement of a bone graft, often with the use of space-maintaining devices and cell-occlusive membranes. This approach is associated with frequent complications that negatively affect the outcome of the augmentation and the peri-implant soft tissue esthetics. Although current tunneling techniques have focused on periodontal soft tissue applications, earlier publications described their use for horizontal augmentation of mandibular posterior edentulous ridges in full-denture patients...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28191601/the-maxillary-artery-and-its-variants-an-anatomical-study-with-neurosurgical-applications
#7
Jorge E Alvernia, Joaquin Hidalgo, Marc P Sindou, Chad Washington, Gustavo Luzardo, Eddie Perkins, Remi Nader, Patrick Mertens
BACKGROUND: The maxillary artery (MA) has gained attention in neurosurgery particularly in cerebral revascularization techniques, intracranial endonasal approaches and endovascular procedures. OBJECTIVES: To describe and illustrate the anatomy of the MA and its neurosurgical importance in a detailed manner. METHODS: Six cadaveric heads (12 MAs) were injected with latex. The arteries and surrounding structures were dissected and studied using microsurgical techniques...
February 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28185781/classification-of-orbital-exenteration-and-reconstruction
#8
Marco R Kesting, Steffen Koerdt, Niklas Rommel, Thomas Mücke, Klaus-Dietrich Wolff, Christopher P Nobis, Florian Ringel, Gesche Frohwitter
Orbital exenteration (OE) is considered to be a mutilating surgical procedure reserved for relentlessly progressive neoplastic disorders or extensive facial trauma with unfavourable eye involvement. Malignant tumours, accounting for the majority of ablative orbital surgeries, may be caused by primary orbital tumours or secondarily by neoplasias from the surrounding skin, the maxillary sinus or intracranial malignomas. Orbital exenteration following trauma is mostly caused by penetrating globe defects or extended infections with the danger of intracranial effects...
January 10, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28169905/reconstruction-of-large-orbital-posterior-floor-wall-fracture-considering-orbital-floor-slope-using-endoscope
#9
Jinhwan Park, Jungah Huh, Joonsik Lee, Minwook Chang, Hwa Lee, Minsoo Park, Sehyun Baek
PURPOSE: Reconstruction of a large orbital fracture extending to the posterior wall of the maxillary sinus is difficult and challenging. In this study, the authors present transconjunctival or transcaruncular approach using endoscopy and layered porous polyethylene barrier sheets to manage large orbital floor wall fracture. METHODS: A retrospective review of all patients who underwent reconstruction of large orbital floor wall fractures between June 2009 and July 2015 was conducted...
February 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28156127/morphological-relationship-analysis-of-impacted-maxillary-canines-and-the-adjacent-teeth-on-3-dimensional-reconstructed-ct-images
#10
Yoojun Kim, Hong-Keun Hyun, Ki-Taeg Jang
OBJECTIVE: To examine whether there is a relationship between maxillary canine impaction and the morphologic characteristics of the maxillary dentition, especially the root of the lateral incisor. MATERIALS AND METHODS: In this study, we selected only patients with unilateral maxillary canine impaction to compare the morphologic characteristics of the dentition on the impaction side and the clinically normal eruption side. The sample size was decided to be 40 based on the pilot study...
February 3, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28145930/combined-endoscopic-and-trans-palpebral-orbital-reconstruction-for-silent-sinus-syndrome
#11
Riccardo Tieghi, Nicola Malagutti, Luisa Valente, Giulia Carnevali, Luigi C Clauser
Silent Sinus Syndrome is defined as a painless spontaneous and progressive enophthalmos and hypoglobus with maxillary sinus hypoplasia and orbital floor resorption. It is caused by maxillary sinus atelectasis in a setting of ipsilateral chronic maxillary sinus hypoventilation. The syndrome was first described in 1964 by Montgomery, but the term "Silent Sinus Syndrome" was not coined until 1994 by Soparkar. The aetiology is still controversial: some authors postulate a basal hypoplastic sinus, other suggest an acquired process due to an obstruction of the ostium in the medium meatus...
January 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28140667/incidence-of-palatal-fistula-at-time-of-secondary-alveolar-cleft-reconstruction
#12
Vikram A Shankar, Alison Snyder-Warwick, Gary B Skolnick, Albert S Woo, Kamlesh B Patel
OBJECTIVE:   We aim to establish consistent time points for evaluating palatal fistula incidence to standardize reporting practices and clarify prospective literature. DESIGN:   An institutional retrospective chart review was conducted on 76 patients with unilateral or bilateral complete cleft lip and palate who underwent secondary alveolar bone grafting between 2006 and 2015. MAIN OUTCOME MEASURES:   Early fistula incidence rates were reported prior to maxillary expansion, and late fistula rates were reported at the time of alveolar bone grafting...
January 31, 2017: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/28112548/an-automatic-panoramic-image-reconstruction-scheme-from-dental-computed-tomography-images
#13
Thekla K Papakosta, Antonis D Savva, Theodore L Economopoulos, George K Matsopoulos, H-G Gröhndal
OBJECTIVE: Panoramic images of the jaws are extensively used for dental examinations and/or surgical planning because they provide a general overview of the patient's maxillary and mandibular regions. Panoramic images are two-dimensional (2D) projections of three-dimensional (3D) objects. Therefore, it should be possible to reconstruct them from 3D radiographic representations of the jaws, produced by Cone Beam Computed Tomography (CBCT) scanning, obviating the need for additional exposure to X-rays, should there be a need of panoramic views...
January 23, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28111211/the-drawer-like-resection-and-reconstruction-with-titanium-mesh-a-novel-surgical-technique-for-treatment-of-giant-ossifying-fibroma-in-the-maxilla
#14
Mingming Lv, Jun Li, Yi Shen, Liang Wang, Jian Sun
PURPOSE: The aim of this article is to introduce a new surgical method for the treatment of ossifying fibroma (OF) in the maxilla with dislocation of the eyeball and to evaluate the postoperative outcomes and prognosis. PATIENTS AND METHODS: Cases of maxillary OF treated with "drawer-like" resection from 2014 to 2015 were reviewed. The surgical procedure consisted of total removal of the orbital floor and most of the maxilla with preservation of the alveolar ridge immediately followed by reconstruction with titanium mesh...
December 29, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28106705/repair-of-orbital-floor-fracture-with-modified-transnasal-endoscopic-approach-through-anterior-space-to-nasolacrimal-duct
#15
Motohiko Suzuki, Yoshihisa Nakamura, Shinya Ozaki, Makoto Yokota, Shingo Murakami
OBJECTIVES: Endoscopic approach provides excellent magnification and visualization, and a purely transnasal approach is minimally invasive method. However, it is very difficult to repair anterior and lateral fractures with the previous transnasal endoscopic approaches, since repair of orbital fractures is managed through the middle meatus and ostium from the posterior side of the nasolacrimal duct with side-viewing endoscope and curved instruments. Therefore, the authors used modified transnasal endoscopic approach as an alternative for repair of orbital floor fractures in order to effectively reach the lateral or anterior fracture of the orbital floor with straight endoscope and instruments endoscopically...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28098566/comprehensive-surgical-orthodontic-treatment-of-class-iii-malocclusion-in-cleft-patient-involving-minimally-invasive-surgery-case-report-and-literature-review
#16
Goran Stojkovic, Miodrag Stojkovic, Jasna Stojkovic, Dejan Nikolic, Zoran Stajcic
AIM: Surgical and orthodontic treatment of a teenage cleft patient. CASE REPORT: Authors describe the case of a 13 year old female cleft patient presented with class III malocclusion RESULT: The patient underwent comprehensive surgical secondary bone grafting and orthodontic treatment. Stable skeletal and occlusal class I relationship was achived and maintained in the post treatment observation period till the age of 16. DISCUSSION: Although several authors suggests primary gingivoperiosteoplasty, other advocates that such early intervention can cause later restrictions in maxillary growth...
December 19, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28076936/histochemical-and-morphological-aspects-of-fresh-frozen-bone-a-preliminary-study
#17
F S De Ponte, G Cutroneo, R Falzea, G Rizzo, L Catalfamo, A Favaloro, G Vermiglio, M Runci, A Centofanti, G Anastasi
Bone graft are used in dentistry for the reconstruction of severely atrophic jaws. Fresh frozen bone has no osteogenic property but it has osteoconductive and osteoinductive properties because its matrix contains growth factors such as vascular endothelial growth factor. The purpose of the present study was to evaluate morphological and protein expression characteristics of fresh frozen bone before graft and after six months of graft in patients who needed maxillary reconstruction. After 6 month of graft we observed the presence of viable bone as evidenced by full osteocyte lacunae and by the presence of RANKR, osteocalcin positive cells and vascular endothelial growth factor...
December 6, 2016: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28063782/acceptable-clinical-outcomes-and-recommended-reconstructive-strategies-for-secondary-maxillary-reconstruction-with-vascularized-fibula-osteomyocutaneous-flap-a-retrospective-analysis
#18
Yi Shen, Jun Li, Andrew Ow, Liang Wang, Ming-Ming Lv, Jian Sun
BACKGROUND: We conducted a retrospective analysis of the clinical outcomes and evaluated the reconstructive strategies in patients who underwent secondary maxillary reconstruction with a vascularized fibula osteomyocutaneous flap (VFOF). METHODS: From May of 2001 to June of 2014, 34 patients who underwent secondary maxillary reconstruction with VFOF, with or without titanium mesh, were reviewed. The patients were divided into two groups of maxillary reconstruction, according to different planning and treatment strategies...
December 14, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28053908/reconstruction-of-partial-maxillectomy-defect-with-a-buccal-fat-pad-flap-and-application-of-4-hexylresorcinol-a-case-report
#19
Hyun Seok, Min-Keun Kim, Seong-Gon Kim
Mucoepidermoid carcinoma (MEC) is the most common type of malignant neoplasm in the minor salivary gland. The hard palate is a frequently involved site of MEC. The treatment of low-grade MEC on the hard palate is wide local resection with a tumor-free margin. In the present case, the maxillary defect was reconstructed using a buccal fat pad (BFP) flap, followed by application of 4-hexylresorcinol (4HR) ointment for 2 weeks. The grafted BFP successfully covered the tumor resection defect without tension and demonstrated complete re-epithelialization without any complications...
December 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28039007/pedicle-orientation-in-free-flap-microvascular-maxillofacial-reconstruction
#20
Daniel M Cummins, Beomjune Kim, Arshad Kaleem, Waleed Zaid
Oncologic and traumatic defects of the maxilla can pose a challenge to patients, reconstructive surgeons, and maxillofacial prosthodontists in an attempt to provide satisfactory treatment. Oral-nasal and oral-antral fistulas are frequently treated with soft tissue flaps, osteocutaneous flaps, or a maxillofacial obturator. Often, surgical reconstruction is preferred for patient quality of life and definitive restoration. Surgical reconstruction also avoids the difficulties encountered with fabricating an obturator in an irradiated field with the often-resultant microstomia...
December 10, 2016: Journal of Oral and Maxillofacial Surgery
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