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Medicina Oral, Patología Oral y Cirugía Bucal

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https://www.readbyqxmd.com/read/29680857/evaluation-of-the-osteoclastogenic-process-associated-with-rank-rank-l-opg-in-odontogenic-myxomas
#1
M-D Gonzalez-Galvan, A Mosqueda-Taylor, R Bologna-Molina, A Setien-Olarra, X Marichalar-Mendia, J-M Aguirre-Urizar
BACKGROUND: Odontogenic myxoma (OM) is a benign intraosseous neoplasm that exhibits local aggressiveness and high recurrence rates. Osteoclastogenesis is an important phenomenon in the tumor growth of maxillary neoplasms. RANK (Receptor Activator of Nuclear Factor κappa B) is the signaling receptor of RANK-L (Receptor activator of nuclear factor kappa-Β ligand) that activates the osteoclasts. OPG (osteoprotegerin) is a decoy receptor for RANK-L that inhibits pro-osteoclastogenesis. The RANK / RANKL / OPG system participates in the regulation of osteolytic activity under normal conditions, and its alteration has been associated with greater bone destruction, and also with tumor growth...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680856/prevalence-of-carotid-artery-calcifications-among-2-500-digital-panoramic-radiographs-of-an-adult-brazilian-population
#2
J-M-O Santos, G-C Soares, A-P-N-N Alves, L-M Kurita, P-G-B Silva, F-W-G Costa
BACKGROUND: The aim of the present study was to analyze the epidemiological data of digital panoramic radiographs revealing suggestive images of carotid artery calcifications (CAC) from a Northeast Brazilian population. MATERIAL AND METHODS: A cross-sectional retrospective study was conducted with 2,500 digital panoramic radiographs obtained from a single imaging reference center in Northeast Brazil. Images from individuals of both sexes and older than 18 years were included and those that did not cover the region of cervical vertebrae or presented low radiographic quality were excluded...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680854/impact-of-the-anatomical-location-alcoholism-and-smoking-on-the-prevalence-of-advanced-oral-cancer-in-brazil
#3
N-V-F Bezerra, K-L-F Leite, M-M-D de Medeiros, M-L Martins, A-M-R Cardoso, P-M Alves, W-W-N Padilha, Y-W Cavalcanti
BACKGROUND: To evaluate the prevalence of oral cancer in Brazil according to the clinical stage, anatomical location, alcoholism and smoking. MATERIAL AND METHODS: Data referring to 31,217 cases of oral cancer, from 2000 to 2010, were obtained from the Integrator Module of the Hospital Registry of Cancer. Inconsistent data (non-classified cases) was eliminated and 21,160 cases were analyzed. The frequency distribution according to clinical stage, anatomical location, alcoholism and smoking was analyzed descriptively and through a binary logistic regression model (α<0...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680853/osteonecrosis-of-the-jaw-in-patients-traited-by-denosumab-for-malignant-bone-disease-descriptive-study-on-9-cases
#4
R Lan, M Hadj-Saïd, J-M Foletti, E Massereau, C Chossegros
BACKGROUND: This study examines the epidemiological and clinical characteristics and therapeutic outcomes in patients with denosumab related-osteonecrosis of the jaw (DRONJ). MATERIAL AND METHODS: The patients included are all being monitored by three oral and maxillofacial surgery departments for an osteonecrosis of the jaw (ONJ) linked to denosumab alone for the treatment of malignant bone disease between 2010 and 2016. Clinical and epidemiological data of these patients was indexed and characteristics of the DRONJ were analyzed...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680852/possible-association-between-obesity-and-periodontitis-in-patients-with-down-syndrome
#5
E Culebras-Atienza, F-J Silvestre, J Silvestre-Rangil
BACKGROUND: The present study was carried out to evaluate the possible association between obesity and periodontitis in patients with DS, and to explore which measure of obesity is most closely correlated to periodontitis. MATERIAL AND METHODS: A prospective observational study was made to determine whether obesity is related to periodontal disease in patients with DS. The anthropometric variables were body height and weight, which were used to calculate BMI and stratify the patients into three categories: < 25(normal weight), 25-29...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680851/lichenoid-lesions-of-the-upper-lip-a-retrospective-study-of-24-cases
#6
N Katsoulas, K Tosios, A Sklavounou-Andrikopoulou
BACKGROUND: Lichenoid lesions of the upper labial mucosa, without other oral or extraoral manifestations seem to be rare. The clinicopathologic features of 24 such cases are presented and the pertinent literature is reviewed. MATERIALS AND METHODS: 24 Caucasian patients that clinically presented lichenoid features on the upper labial mucosa, with or without lichenoid lesions on the adjacent gingiva, were included in the study. Clinical features were extracted from the patients records, while dental plaque/calculus accumulation and composite resin restorations of the adjacent teeth were recorded...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680850/temporal-headache-and-jaw-claudication-may-be-the-key-for-the-diagnosis-of-giant-cell-arteritis
#7
B Peral-Cagigal, Á Perez-Villar, L-M Redondo-Gonzalez, C Garcia-Sierra, M Morante-Silva, B Madrigal-Rubiales, A Verrier-Hernandez
BACKGROUND: Temporal artery biopsy (TAB) is a surgical procedure with a low positive yield. The purpose of this study is to determine which variables are the most important in the giant cell arteritis (GCA) diagnosis. The objective of this evaluation is to improve the percentage of positive temporal artery biopsy and if possible, avoid the biopsy in some cases. MATERIAL AND METHODS: A retrospective clinical study consisted of 90 patients who had undergone TAB at the Rio Hortega Hospital (Spain) from January 2009 to December 2016...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680849/virtual-planning-and-3d-printing-modeling-for-mandibular-reconstruction-with-fibula-free-flap
#8
W Ren, L Gao, S Li, C Chen, F Li, Q Wang, Y Zhi, J Song, Z Dou, L Xue, K Zhi
BACKGROUND: This study was to evaluate the use of virtual planning and 3D printing modeling in mandibular reconstruction and compare the operation time and surgical outcome of this technique with conventional method. MATERIAL AND METHODS: Between 2014 and 2017, 15 patients underwent vascularized fibula flap mandibular reconstruction using virtual planning and 3D printing modeling. Titanium plates were pre-bent using the models and cutting guides were used for osteotomies...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680847/localized-gingival-enlargements-a-clinicopathological-study-of-1187-cases
#9
P Tamiolakis, E Chatzopoulou, F Frakouli, K-I Tosios, A Sklavounou-Andrikopoulou
BACKGROUND: To describe the incidence, demographic and clinical features of 1187 localized gingival enlargements. MATERIAL AND METHODS: 1187 cases of localized gingival enlargements diagnosed during a 20-year period were retrospectively collected. The patients gender and age, as well as the main clinical features of the tumors were retrieved from the biopsy report forms. RESULTS: The 1187 localized gingival enlargements represented 6.23% of 19...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680846/association-of-time-under-immunosuppression-and-different-immunosuppressive-medication-on-periodontal-parameters-and-selected-bacteria-of-patients-after-solid-organ-transplantation
#10
G Schmalz, L Berisha, H Wendorff, F Widmer, A Marcinkowski, H Teschler, U Sommerwerck, R Haak, O Kollmar, D Ziebolz
BACKGROUND: Aim of this study was to investigate the association of the time under immunosuppression and different immunosuppressive medication on periodontal parameters and selected periodontal pathogenic bacteria of immunosuppressed patients after solid organ transplantation (SOT). MATERIAL AND METHODS: 169 Patients after SOT (lung, liver or kidney) were included and divided into subgroups according their time under (0-1, 1-3, 3-6, 6-10 and >10 years) and form of immunosuppression (Tacrolimus, Cyclosporine, Mycophenolate, Glucocorticoids, Sirolimus and monotherapy vs...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680845/a-comparison-of-the-effects-of-methylprednisolone-acetate-sodium-hyaluronate-and-tenoxicam-in-the-treatment-of-non-reducing-disc-displacement-of-the-temporomandibular-joint
#11
G-Y Yapici-Yavuz, G Simsek-Kaya, H Ogul
BACKGROUND: This clinical study aimed to radiologically and clinically compare the effect of intra-articular injection of methylprednisolone, sodium hyaluronate or tenoxicam following arthrocentesis with that of arthrocentesis alone in patients with non-reducing disc displacement. MATERIAL AND METHODS: A total of 44 patients radiographically diagnosed with non-reducing disc displacement of the temporomandibular joint (TMJ) were randomly divided into four treatment groups, as follows: Group 1, arthrocentesis alone; Group 2, arthrocentesis plus methylprednisolone acetate; Group 3, arthrocentesis plus sodium hyaluronate; Group 4, arthrocentesis plus tenoxicam...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680844/utilizing-the-nanosecond-pulse-technique-to-improve-antigen-intracellular-delivery-and-presentation-to-treat-tongue-squamous-cell-carcinoma
#12
C Gao, X Zhang, J Chen, J Zhao, Y Liu, J Zhang, J Wang
BACKGROUND: Tongue squamous cell carcinoma is the most common squamous cell carcinoma of the head and neck. Immunotherapy has great potential in the treatment of tongue squamous cell carcinoma because of its unique advantages. However, the efficacy of immunotherapy is limited by the efficiency of antigen phagocytosis by immune cells. MATERIAL AND METHODS: We extracted dendritic cells (DCs) from human peripheral blood. Utilizing a nanosecond pulsed electric field (nsPEF), we deliver the tumour lysate protein into DCs and then incubate the DCs with PBMCs to obtain specific T cells to kill tumour cells...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680843/oral-peripheral-ameloblastoma-a-retrospective-series-study-of-25-cases
#13
X Zhang, X Tian, Y Hu, C Zhang, C Wei, X Yang
BACKGROUND: Peripheral ameloblastoma (PA) is a rare and unusual variant of odontogenic tumor, which was described only in isolated case reports in literature. The objective of this study was to investigate the clinical profile, treatment and outcome of PA in a consecutive case series. MATERIAL AND METHODS: A total of 25 patients with histologically confirmed PA from 2001 to 2015 were retrospectively reviewed in our institution. RESULTS: Of the 25 patients, 22 males and 3 females were identified (male: female = 7...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680842/one-or-two-ligatures-inducing-periodontitis-are-sufficient-to-cause-fatty-liver
#14
L-S Pessoa, F-R Pereira-da Silva, E-H-P Alves, L-F-C Franca, D di Lenardo, J-S Carvalho, V-B-D Martins, F-B-M Sousa, K-O Drumond, J-V-R Medeiros, J-S de Oliveira, D-F-P Vasconcelos
BACKGROUND: Periodontitis is a chronic disease that due to an intense inflammatory response triggers systemic changes such as hepatic alterations. This study aimed to compare hepatic damage in rats that received experimental periodontitis at one or two periodontal sites with ligatures. MATERIAL AND METHODS: Eighteen rats were separated into three groups: control, without ligature; periodontitis 1, with one ligature; and periodontitis 2, with two ligatures. The following parameters were assessed: gingival bleeding index, probing pocket depth, tooth mobility, alveolar bone loss, malondialdehyde (MDA) and myeloperoxidase (MPO) activity in periodontal tissue; histopathological evaluation of hepatic tissue (steatosis score); glutathione levels (GSH), MDA, MPO, cholesterol and triglycerides in the liver; and serum levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST)...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680841/differential-metallothionein-expression-in-oral-lichen-planus-and-amalgam-associated-oral-lichenoid-lesions
#15
G-G Mendes, J-P-S Servato, F-C Borges, R-R Rosa, C-S Siqueira, P-R de Faria, A-M Loyola, S-V Cardoso
BACKGROUND: Oral lichen planus (OLP) is a chronic inflammatory disease mediated by T cells, which manifests as reticular (white) or erosive (red) lesions, that are eventually painful. Oral lichenoid lesion (OLL) are distinguished from OLP by the presence of precipitating factors. The aim of this study was to evaluate whether the presence of metallothionein, which is involved in anti-apoptotic pathways and the anti-oxidative response, could serve as a differential diagnostic for OLP and OLL...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680840/is-arthrocentesis-of-temporomandibular-joint-with-corticosteroids-beneficial-a-systematic-review
#16
A Davoudi, H Khaki, I Mohammadi, M Daneshmand, A Tamizifar, M Bigdelou, F Ansaripoor
BACKGROUND: Temporomandibular disorders (TMDs) are musculoskeletal conditions that can inhibit the normal function of temporomandibular joints (TMJs) and affect the patient's quality of life, negatively. Arthrocentesis (AC) is a minimally invasive surgical procedure used for treating TMDs. The aim of present paper is to evaluate the advantages of administrating corticosteroid (CS) during AC by reviewing high quality released articles. MATERIAL AND METHODS: Searching on Cochrane Library, Web of Science, Google Scholar, PubMed, ProQuest, and Scopus databases were performed with focusing on proper key words...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680855/mir-1226-detection-in-gcf-as-potential-biomarker-of-chronic-periodontitis-a-pilot-study
#17
P Micó-Martínez, J-L García-Giménez, M Seco-Cervera, A López-Roldán, P-J Almiñana-Pastor, F Alpiste-Illueca, F-V Pallardó
BACKGROUND: The study and identification of new biomarkers for periodontal disease, such as microRNAs (miRNAs), may give us more information about the location and severity of the disease and will serve as a basis for treatment planning and disease-monitoring. miRNAs are a group of small RNAs which are involved in gene regulation by binding to their messenger RNA target (mRNA). In this pilot study, the procedure for purifying miRNAs from gingival crevicular fluid (GCF) was, for the first time, described...
May 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29680848/changes-in-dimension-of-neurovascular-canals-in-the-mandible-and-maxilla-a-radiographic-finding-in-patients-diagnosed-with-mronj
#18
D Goller-Bulut, G Özcan, F Avci
BACKGROUND: The aim of this retrospective study was to compare the morphological features of neurovascular canals and foramina of patients with medication-related osteonecrosis of the jaws (MRONJ) and healthy individuals by using cone beam computed tomography (CBCT). MATERIAL AND METHODS: The CBCT images of 58 patients under bisphosphonate therapy diagnosed with MRONJ and age gender- matched controls were retrospectively evaluated. The diameter of mandibular and nasopalatine canal and mandibular, mental and lingual foramina were measured on several sections of CBCT...
May 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29476684/how-general-dentists-could-manage-a-patient-with-oral-lichen-planus
#19
J Robledo-Sierra, I van der Waal
BACKGROUND: The literature hardly contains information on how patients suffering from oral lichen planus could be managed by dentists. MATERIAL AND METHODS: Based on the limited available literature and particularly on the long-term clinical and histopathological experience of one of the authors, suggestions on how dentists could manage patients with oral lichen planus have been put forward. RESULTS: In most cases, the dentist should be able to establish a correct diagnosis...
March 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29476683/changing-pattern-and-etiology-of-maxillofacial-fractures-during-the-civil-uprising-in-western-libya
#20
M-S Elarabi, A-B Bataineh
BACKGROUND: The purpose of the present study was to evaluate changing pattern in characteristics of maxillofacial fractures and concomitant injuries in Western Libya During revolution and to assess the association between mechanism of injury and fracture patterns. MATERIAL AND METHODS: A retrospective review of medical records and radiographs of 187 patients treated for maxillofacial fractures from January 2010 to December 2012 was performed, there were 326 fractures in 187 patients...
March 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
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