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https://www.readbyqxmd.com/read/28734993/esthetically-favorable-surgical-alternative-for-the-removal-of-sinonasal-malignant-tumors-the-modified-facial-degloving-technique
#1
REVIEW
Gábor Vass, Zsolt Bella, Zoltán Tóbiás, Attila Nagy, László Iván, László Rovó
PURPOSE: The widely used external approach (Weber-Fergusson incision) for the removal of maxillary ethmoid tumors leaves stigmatizing scars and deformities on the patient's face. As an alternative technique, the scarless facial degloving approach was first described in the 1970s; since then, several modifications have been developed. PATIENTS AND METHODS: The authors have been using a modified facial degloving technique for 7 years to remove maxillary ethmoid tumors...
June 29, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28734649/maxillary-and-mandibular-non-hodgkin-lymphoma-with-concurrent-periapical-endodontic-disease-diagnosis-and-management
#2
Jennifer M Dolan, Anna DeGraft-Johnson, Neville McDonald, Brent B Ward, Tycel J Phillips, Stephanie M Munz
Extranodal non-Hodgkin lymphoma (NHL) in the oral region can present similarly to diseases of odontogenic origin. The objective of this report was to describe a rare case of maxillary and mandibular NHL that presented similarly to and concurrently with lesions of odontogenic origin.A unique case of extranodal NHL, which presented at the apices of maxillary and mandibular teeth in conjunction with lesions of odontogenic origin in a 68-year-old white man, is described. The patient sought care because of a lesion in the right maxillary paranasal region that caused him paresthesia...
July 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28733779/clinical-efficacy-of-main-radiological-diagnostic-methods-for-odontogenic-maxillary-sinusitis
#3
Regimantas Simuntis, Ričardas Kubilius, Evaldas Padervinskis, Silvija Ryškienė, Paulius Tušas, Saulius Vaitkus
The objective of the study was to compare the ability of dental, ENT and radiology specialists to identify the dental cause of maxillary sinusitis with conventional computed tomography, dental and panoramic radiographs. Out of 34 dental records from subjects treated at ENT and Oral and Maxillofacial Surgery Department, LUHS Kaunas Clinics, 22 females and 12 males with the diagnosis of odontogenic maxillary sinusitis, periapical (DPA), panoramic (DPR) and computed tomography (CT) images of posterior maxilla were selected for further studies...
July 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28732409/in-reply-to-is-internal-maxillary-artery-bypass-feasible-without-zygomatic-osteotomy
#4
Kaan Yağmurlu, Robert F Spetzler
No abstract text is available yet for this article.
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28732408/is-internal-maxillary-artery-bypass-feasible-without-zygomatic-osteotomy
#5
Long Wang, Xiang'en Shi, Hai Qian
No abstract text is available yet for this article.
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28732224/three-dimensional-changes-in-the-upper-airway-of-skeletal-class-iii-patients-after-different-orthognathic-surgical-procedures
#6
Yuxue Yang, Kai Yang, Ying Zhao
PURPOSE: We hypothesized that 3-dimensional changes in the upper airway of patients with skeletal Class III malocclusion are different after mandibular setback and maxillary advancement (MSMA) compared with mandibular setback (MS) and that upper airway changes and the amount of jaw movement are correlated. PATIENTS AND METHODS: Skeletal Class III patients who underwent MS surgery or MSMA surgery were included in this retrospective cohort study. Cone beam computed tomography scans were acquired before and 3 months after surgery...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28730682/structure-and-development-of-the-subesophageal-zone-of-the-drosophila-brain-i-segmental-architecture-compartmentalization-and-lineage-anatomy
#7
Volker Hartenstein, Jaison J Omoto, Kathy T Ngo, Darren Wong, Philipp A Kuert, Heinrich Reichert, Jennifer K Lovick, Amelia Younossi-Hartenstein
The subesophageal zone (SEZ) of the Drosophila brain houses the circuitry underlying feeding behavior and is involved in many other aspects of sensory processing and locomotor control. Formed by the merging of four neuromeres, the internal architecture of the SEZ can be best understood by identifying segmentally reiterated landmarks emerging in the embryo and larva, and following the gradual changes by which these landmarks become integrated into the mature SEZ during metamorphosis. In previous works, the system of longitudinal fibers (connectives) and transverse axons (commissures) has been utilized as a scaffold that provides internal landmarks for the neuromeres of the larval ventral nerve cord...
July 21, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28730236/root-fractures-epidemiological-clinical-and-radiographic-aspects
#8
Sanda Mihaela Popescu, Oana Andreea Diaconu, Monica Scrieciu, Iulia Roxana Marinescu, Emma Cristina Drăghici, Anca Gabriela Truşcă, Alexandra Carina Bănică, Mihaela Vătu, Veronica MercuŢ
Chronic root fractures are a relative frequent dental condition, occurring both in vital teeth and in teeth with root canal treatment, with a difficult and frustrating diagnosis. Two clinical forms are described: crown-root fractures with crown origin and vertical root fractures with root origin. The aim of the study was to determine the prevalence of the root fractured extracted teeth in two dental clinics with different profile [oral rehabilitation (OR) and endodontics (E)] and to present some particular aspects of the root fractures...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28729802/size-discrepancies-in-molars-and-first-key-to-optimal-occlusion
#9
Ahmet Arif Celebi, Sam H Lee, Chung How Kau
OBJECTIVE: The aim of this research project was to determine whether the sizes of the first molars allow clinicians to achieve the first goal of an ideal clinical outcome. MATERIAL AND METHODS: Seventy-eight sets of dental casts that have been presented to the American Board of Orthodontics were evaluated. A Boley gauge was used to measure the length from the mesiobuccal cusp to the distobuccal cusp of the maxillary first molar and the length from the mesiobuccal groove of the mandibular first molar to the occlusal embrasure between the mandibular first and second molars...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729792/evaluation-of-accuracy-of-shade-selection-using-two-spectrophotometer-systems-vita-easyshade-and-degudent-shadepilot
#10
Mohammad Hassan Kalantari, Seyed Ahmad Ghoraishian, Mina Mohaghegh
OBJECTIVE: The aim of this in vitro study was to evaluate the accuracy of shade matching using two spectrophotometric devices. MATERIALS AND METHODS: Thirteen patients who require a full coverage restoration for one of their maxillary central incisors were selected while the adjacent central incisor was intact. 3 same frameworks were constructed for each tooth using computer-aided design and computer-aided manufacturing technology. Shade matching was performed using Vita Easyshade spectrophotometer, Shadepilot spectrophotometer, and Vitapan classical shade guide for the first, second, and third crown subsequently...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729182/correlation-of-quantitative-mr-imaging-findings-with-symptoms-in-patients-with-incidentally-detected-inflammatory-sinonasal-disease
#11
O Kilickesmez, O Onerci Celebi, M Yalcinkaya, A R Gokduman, Y Karagoz, O Yigit
PURPOSE: To assess the relationships between mucosal thickness, T1-weighted, T2-weighted signals and restricted diffusion on magnetic resonance imaging (MRI) with the degree of symptoms in patients with incidentally detected inflammatory sinonasal disease. MATERIALS AND METHODS: Conventional and diffusion-weighted MRI of 100 patients with incidental sinonasal mucosal thickening were prospectively evaluated. There were 53 men and 47 women, with a mean age of 44.6 years±15...
July 17, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28728749/numb-chin-with-mandibular-pain-or-masticatory-weakness-as-indicator-for-systemic-malignancy-a-case-series-study
#12
Shin-Yu Lu, Shu-Hua Huang, Yen-Hao Chen
BACKGROUND/PURPOSE: Numb chin syndrome (NCS) is a critical sign of systemic malignancy; however it remains largely unknown by clinicians and dentists. The aim of this study was to investigate NCS that is more often associated with metastatic cancers than with benign diseases. METHODS: Sixteen patients with NCS were diagnosed and treated. The oral and radiographic manifestations were assessed. RESULTS: Four (25%) of 16 patients with NCS were affected by nonmalignant diseases (19% by medication-related osteonecrosis of the jaw and 6% by osteopetrosis); yet 12 (75%) patient conditions were caused by malignant metastasis, either in the mandible (62%) or intracranial invasion (13%)...
July 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28727618/clinical-study-of-bone-regeneration-by-conditioned-medium-from-mesenchymal-stem-cells-after-maxillary-sinus-floor-elevation
#13
Wataru Katagiri, Junna Watanabe, Naoto Toyama, Masashi Osugi, Kohei Sakaguchi, Hideharu Hibi
OBJECTIVE: This clinical study was undertaken to evaluate the safety of use of the secretome of bone marrow-derived mesenchymal stem cells (MSC-CM) for maxillary sinus floor elevation (SFE). MATERIALS AND METHODS: MSC-CM was prepared from conditioned medium from human bone marrow-derived MSCs. Six partially edentulous patients were enrolled in the study. MSC-CM was mixed with porous beta-tricalcium phosphate (β-TCP) and implanted in 4 patients (experimental group), whereas only β-TCP was implanted in the other 2 patients (control group)...
August 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28727471/cutting-edge-implant-rehabilitation-design-and-management-a-tapered-abutment-approach
#14
Mark Bishara, Gregori M Kurtzman
Immediate implant placement can pose challenges surgically and, ultimately, restoratively. Yet immediate placement has become the standard when adequate bone is present to achieve primary stability and site infection is minimal. To avoid prosthetic complications and ensure the implant is encased in bone after healing, proper planning must consider that implant placement does not necessarily need to follow the trajectory of the root socket. As discussed in this article, maxillary anterior sites have potential issues related to the "triangle of bone" that are not encountered in molar sites and demand different approaches to ensure treatment success...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727469/bilateral-maxillary-paramolars-in-an-adolescent
#15
Preetika Chandna, Nikhil Srivastava, Vivek K Adlakha, Vrinda Sharma
Paramolars are relatively uncommon supernumerary molars. Limited cases of bilateral maxillary or mandibular paramolars have been reported. This case report describes bilateral maxillary premolars and their management in a 15-year-old girl, whose chief complaint was food lodgment in these regions. After a diagnosis of bilateral maxillary premolars was made and confirmed by orthopantomogram, both of the paramolars were extracted.
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727465/clinical-management-of-type-3-recession-defects-with-immediate-implant-and-provisional-restoration-therapy-a-case-report
#16
Dennis P Tarnow, Stephen J Chu
Type 3 extraction sockets present a unique challenge in that they possess gingival recession indicative of facial hard- and soft-tissue loss. When teeth present with prior disease requiring removal and implant replacement, the treatment strategy incorporates palatal implant positioning as well as proper restorative contour management to compensate for the recession defect, thereby allowing the gingival tissues to heal in the correct 3-dimensional position. This article describes the case of a patient with a nonrestorable maxillary right central incisor with internal resorption...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727462/tridimensional-reconstruction-of-a-complex-iatrogenic-defect-using-orthodontic-forced-eruption-and-minimally-invasive-bone-grafting
#17
Ernesto A Lee
As the use of dental implants has become more common, so has the frequency of complications and unforeseen outcomes. This article describes the treatment of a complex iatrogenic defect secondary to a failed implant (No. 7) and multiple bone-grafting attempts in the maxillary anterior region. The patient's revealing smile line and high-risk circumstances demanded the use of an interdisciplinary treatment approach with high potential for predictable esthetic results. Forced eruption was performed to restore the alveolar height deficit and develop the compromised hard and soft tissues around teeth Nos...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727461/risk-indicators-and-prevention-of-implant-soft-tissue-complications-interproximal-papillae-loss-and-midfacial-implant-mucosal-recessions
#18
James Mailoa, Richard J Miron, Hom-Lay Wang
Achieving a long-term esthetic implant restoration in the maxillary anterior area is sometimes unpredictable. This article reviews several risk indicators of implant mucosal recession and loss of interproximal papillae, and how to prevent these risks. Results obtained from the literature suggest that the following factors are strongly related to implant soft-tissue complications: buccally positioned implant placement, a thin gingival biotype, lack of an adequate amount of keratinized mucosa, implant placement after ridge augmentation procedures, an increased distance of tooth bone peak to the contact point, and an inadequate horizontal implant-tooth distance...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28726648/-cone-beam-computed-tomography-in-diagnostics-of-odontogenic-maxillary-sinusitis-case-reports
#19
E Demidova, G Khurdzidze
Diagnostic studies performed by cone beam computed tomography Morita 3D made possible to obtain high resolution images of hard tissues of upper jawbone and maxillary sinus, to detect bony tissue defects, such as odontogenic cysts, cystogranulomas and granulomas. High-resolution and three dimensional tomographic image reconstructions allowed for optimal and prompt determination of the scope of surgical treatment and planning of effective conservative treatment regimen. Interactive diagnostics helped to estimate cosmetic and functional results of surgical treatment, to prevent the occurrence of surgical complications, and to evaluate the efficacy of conservative treatment...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28724930/assessment-of-different-techniques-for-3d-superimposition-of-serial-digital-maxillary-dental-casts-on-palatal-structures
#20
Georgios Vasilakos, Roman Schilling, Demetrios Halazonetis, Nikolaos Gkantidis
Serial 3-dimensional dental model superimposition provides a risk-free, detailed evaluation of morphological alterations on a patient's mouth. Here, we evaluated accuracy and precision of five palatal areas, used for superimposition of maxillary 3D digital dental casts. Sixteen pre- and post-orthodontic treatment dental casts of growing patients (median time lapse: 15.1 months) were superimposed on each palatal area using the iterative closest point algorithm. Area A (medial 2/3 of the third rugae and a small area dorsal to them) was considered the gold standard, due to high anatomical stability...
July 19, 2017: Scientific Reports
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