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Jaw Necrosis

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https://www.readbyqxmd.com/read/29725850/the-association-with-xerostomia-from-sialadenitis-and-the-jaw-osteonecrosis-in-head-and-neck-cancer-population-a-nationwide-cohort-study
#1
Yi-Fang Huang, Chih-Hsin Muo, Chun-Hao Tsai, Shih-Ping Liu, Chung-Ta Chang
OBJECTIVES: Determine the association between sialadenitis and osteonecrosis of the jaw (ONJ) in head and neck cancer (HNC) patients with varying severity of sialadenitis, treatment modalities, and cancer locations. MATERIALS AND METHODS: A total of 40,168 HNC patients, including 1907 ONJ subjects and 7559 matched comparisons, were enrolled from a Longitudinal Health Insurance Database for Catastrophic Illness Patients of Taiwan between 2000 and 2006. The association with sialadenitis and ONJ was estimated by logic regression and presented as the odds ratio (OR) and 95% confidence intervals (CIs)...
May 3, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29721234/mucormycosis-of-maxilla-following-tooth-extraction-in-immunocompetent-patients-reports-and-review
#2
Kumar Nilesh, Aaditee V Vande
Mucormycosis is a rare, fulminant, rapidly spreading fungal infection, which usually affects patient with underlying immune deficiency. If not managed promptly, the disease is characterized by progressive necrosis and is often fatal. A review of English literature shows that only fourteen cases of mucormycosis have been reported after tooth extraction. This paper highlights two cases of mucormycosis subsequent to tooth extraction in healthy adult patients. This first patient presented with an oroantral fistula and extensive maxillary necrosis...
March 2018: Journal of Clinical and Experimental Dentistry
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
#3
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/29663487/relationship-between-arthroscopic-findings-of-synovitis-and-levels-of-tumor-necrosis-factor-alpha-and-matrix-metalloproteinases-in-synovial-lavage-fluid-from-patients-with-unilateral-high-mandibular-condyle-fractures
#4
Shinnosuke Nogami, Tetsu Takahashi, Kensuke Yamauchi, Yuri Takeda, Ko Ito, Masatoshi Chiba, Alexander Gaggl
BACKGROUND: Arthrocentesis has an effect of washing out inflammatory products that accumulate in the joint compartment of a dysfunctional TMJ. The procedure removes inflammatory cytokines, which are pain-causing substances, for early reduction of TMJ pain and quick recovery of jaw function, thus increasing the possibility of a successful rehabilitation. OBJECTIVE: The aim of the present study was to investigate the relationship between arthroscopy synovitis grade in patients with unilateral high condylar fractures and concentrations of the pro-inflammatory cytokines tumor necrosis factor (TNF)-alpha as well as of matrix metalloproteinases (MMPs) in washed-out synovial fluid (SF) samples obtained from those patients...
April 16, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29603711/management-of-a-severe-cervicofacial-odontogenic-infection
#5
Ana Km Tormes, Manoela M De Bortoli, Rui M Júnior, Emanuel Ss Andrade
INTRODUCTION: Odontogenic infections originate from a tooth or from its supporting structures, generally secondary to a pulp necrosis, periodontal disease, pericoronitis, apical lesions, or complications of dental procedures, which can be restricted to the alveolus or can reach the jaws and face through maxillofacial spaces. These are the most common conditions which affect the head and neck regions. AIM: The aim of this study is to report a severe case of a cervicofacial odontogenic infection while discussing the most relevant aspects...
March 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29563359/fatal-bleeding-in-conjunction-with-mandibular-medication-related-osteonecrosis-of-the-jaw-mronj
#6
Taiki Suzuki, Ryo Sekiya, Yuji Hamada, Miho Takahashi, Kazunari Karakida, Haruo Sakamoto
Here, we report a case of fatal bleeding in conjunction with mandibular medicationrelated osteonecrosis of the jaw (MRONJ). A 75-year-old Japanese man was referred to our department with osteonecrosis of the jaw due to bisphosphonate (BP) for multiple bone metastases from prostate cancer. Aggressive surgical intervention was ruled out due to a poor prognosis in terms of life expectancy. Death occurred due to hemorrhagic shock resulting from massive oral bleeding caused by necrosis of the mandible. Numerous reports have suggested that jaw necrosis is induced not only by BP, but also RANKL antibody, steroids, and molecularly-targeted agents...
2018: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29545079/osteonecrosis-of-the-jaw-unrelated-to-medication-or-radiotherapy
#7
REVIEW
Yusuf Gadiwalla, Vinod Patel
Osteonecrosis of the jaw (ONJ) is an increasingly common condition primarily due to the rise of medication related osteonecrosis of the jaw (MRONJ) and osteoradionecrosis (ORN). Apart from MRONJ and ORN there remains a wide and varied range of rare causes and diseases that can lead to a clinical presentation of ONJ. This article aims to highlight alternatives causes of jaw necrosis following review of the literature to aid diagnosis and treatment planning for dental and head and neck specialities.
May 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29491605/aggressive-high-grade-ewing-s-sarcoma-of-maxilla-a-rare-case-report
#8
T L Yogesh, Akshay Shetty, Hema Keswani, Diljith Rishi
Ewing's sarcoma (ES) is an uncommon malignancy of childhood and adults that constitutes 6%-8% of all primary malignant tumors and the third-most common tumor after osteosarcoma and chondrosarcoma, frequently involves the mandible among jaw bones. This article presents a rare case of ES of maxilla in a 22-year-old male patient showing extensive lesion into skull base which was confirmed with computed tomography, dilemmatic histopathologic features in H and E which is not a frequent presentation. Histopathologic features showed monotonous round cells with hypo- and hyper-cellular areas, intralesional hemorrhage and necrosis with lesional cells positive for CD99...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29442464/effects-of-vector-ultrasonic-system-debridement-and-conventional-instrumentation-on-the-levels-of-tnf-%C3%AE-in-gingival-crevicular-fluid-of-patients-with-chronic-periodontitis
#9
Osman Fatih Arpağ, Ahmet Dağ, Bozan Serhat İzol, Gülcan Cimitay, Ersin Uysal
BACKGROUND: Tumor necrosis factor alpha (TNF-α) is an inflammatory mediator whose levels are increased in the gingival crevicular fluid and blood serum in the case of chronic periodontitis. OBJECTIVES: The aim of this study was to determine the effect of vector ultrasonic system (VUS) on the levels of TNF-α in gingival crevicular fluid (GCF) and the clinical parameters in patients with chronic periodontitis. MATERIAL AND METHODS: The study protocol was conducted using split-mouth design in 30 patients with chronic periodontitis...
December 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29435826/efficacy-of-bovine-lactoferrin-in-the-post-surgical-treatment-of-patients-suffering-from-bisphosphonate-related-osteonecrosis-of-the-jaws-an-open-label-study
#10
Francesco Calvani, Antimo Cutone, Maria Stefania Lepanto, Luigi Rosa, Valentino Valentini, Piera Valenti
Osteonecrosis of the jaws is an emerging pathological condition characterized by un-exposure or exposure of the necrotic bone, independently from the etiology. This term is usually referred to medication-related osteonecrosis of the jaws due to severe adverse reaction to certain medicines, as bisphosphonates, used for the treatment of cancer and osteoporosis. The management of patients with Bisphosphonate-Related Osteonecrosis of the Jaws (BRONJ) remains challenging because surgical and medical interventions may not eradicate this pathology...
February 12, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29397217/omega-3-fatty-acids-reduce-inflammation-in-rat-apical-periodontitis
#11
Mariane Maffei Azuma, João Eduardo Gomes-Filho, Edilson Ervolino, Carolina de Barros Moraes Cardoso, Camila Barbosa Pipa, Toshihisa Kawai, Leticia Citelli Conti, Luciano Tavares Angelo Cintra
INTRODUCTION: The effects of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) on pro- and anti-inflammatory mediators were evaluated in a rat model of pulp exposure-induced apical periodontitis (AP). METHODS: Twenty-eight male Wistar rats were divided into 4 groups: control, untreated rats (group C); control rats treated with ω-3 PUFAs (group C-O); rats with pulp exposure-induced AP (group AP); and rats with pulp exposure-induced AP treated with ω-3 PUFAs (group AP-O)...
April 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29352770/concentration-dependent-effect-of-bleaching-agents-on-the-immunolabelling-of-interleukin-6-interleukin-17-and-cd5-positive-cells-in-the-dental-pulp
#12
F Benetti, J E Gomes-Filho, L L Ferreira, G Sivieri-Araújo, E Ervolino, A L F Briso, L T A Cintra
AIM: To evaluate lymphocyte-like cell activation (CD5-positive cells) and the expression of interleukin (IL)-6 and IL-17 in the pulp after tooth bleaching with two concentrations of hydrogen peroxide (H2 O2 ). METHODOLOGY: The right and left maxillary molars from 40 rats were treated randomly with bleaching gel with 20% H2 O2 (BLUE group, 1 application of 50 min), 35% H2 O2 (MAXX group, three applications of 15 min), or placebo gel (control). After 2 and 30 days, the rats were killed (n = 10), and the jaws were processed for histological and immunohistochemistry analysis of the pulp tissue...
January 20, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29303860/mandibular-osteonecrosis-associated-with-raloxifene
#13
Hélder Antônio Rebelo Pontes, Lucas Lacerda de Souza, Daniel Cavalléro Colares Uchôa, João Mateus Mendes Cerqueira
Osteonecrosis is a disease with diverse pathophysiology, clinical presentation, and management. It may be associated with some medications used to treat systemic issues with bone metabolism. A few cases of jaw bone osteonecrosis have been associated with raloxifene. In this paper, the authors present a clinical report of a 64-year-old woman who presented with a necrosis foci in the right alveolar ridge of the mandible, associated with continued raloxifene use.
January 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29233701/in-vivo-effects-of-geranylgeraniol-on-the-development-of-bisphosphonate-related-osteonecrosis-of-the-jaws
#14
Filip Koneski, Danica Popovic-Monevska, Icko Gjorgoski, Jovanka Krajoska, Mirjana Popovska, Ilijana Muratovska, Boris Velickovski, Gordana Petrushevska, Vladimir Popovski
BACKGROUND: Bisphosphonate-related osteonecrosis of the jaws (BRONJ) is a complication of the bisphosphonate (BP) treatment and its pathopysiology is still not fully understood. The existing preventive and treatment options require updates and more attention. Geranylgeraniol (GGOH) so far demonstrated an increased activity and viability of the cells previously treated with zoledronic acid (ZA). The aim of this study was to evaluate the in vivo effects of GGOH on the development of BRONJ...
February 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29215680/effects-of-zoledronic-acid-in-experimental-periapical-lesions-in-rats-an-imaging-and-histological-analysis
#15
Talita Ribeiro Tenório de França, Flávia Maria de Moraes Ramos-Perez, Andrea Dos Anjos Pontual, Jurema Freire Lisboa de Castro, Paulo Rogério Ferreti Bonan, Danyel Elias da Cruz Perez
The aim of this study was to assess the imaging and histological features of experimental periapical lesions, including the adjacent alveolar bone, in rats under zoledronic acid treatment. The study used 40 male Wistar rats distributed into 8 groups of 5 animals each: G1: induction of periapical lesion (PL) and weekly intraperitoneal administration (WIPA) of saline solution (0.9% NaCl) for 4 weeks; G2: PL induction and WIPA of zoledronic acid (0.15 mg/kg/week) for 4 weeks; G3: PL induction and WIPA of saline solution for 8 weeks; G4: PL induction and WIPA of zoledronic acid for 8 weeks; G5:WIPA of saline solution for 4 weeks and subsequent PL induction; G6: WIPA of zoledronic acid for 4 weeks and subsequent PL induction; G7: WIPA of saline solution for 8 weeks and subsequent PL induction; G8: WIPA of zoledronic acid for 8 weeks and subsequent PL induction...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29184499/aliskiren-improves-ischemia-and-oxygen-glucose-deprivation-induced-cardiac-injury-through-activation-of-autophagy-and-amp-activated-protein-kinase
#16
Ming-Hsien Chiang, Chan-Jung Liang, Chen-Wei Liu, Bo-Jhih Pan, Wen-Ping Chen, Yi-Fan Yang, I-Ta Lee, Jaw-Shiun Tsai, Chiang-Wen Lee, Yuh-Lien Chen
Aliskiren is a direct renin inhibitor that has been effective in anti-hypertension. We investigated whether aliskiren could improve the ischemia-induced cardiac injury and whether the autophagy was involved in this effect. A myocardial infarction (MI) model was created by the ligation of the left anterior coronary artery in C57J/BL6 mice. They were treated for 1, 3, 7, and 14 days with vehicle or aliskiren (25 mg/kg/day via subcutaneous injection). In vivo , the MI mice exhibited worse cardiac function by echocardiographic assessment and showed larger myocardial scarring by light microscopy, whereas aliskiren treatment reversed these effects, which were also associated with the changes in caspase-3 and Bcl-2 expression as well as in the number of apoptotic cells...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29184447/aseptic-avascular-osteonecrosis-local-silent-inflammation-in-the-jawbone-and-rantes-ccl5-overexpression
#17
Johann Lechner, Sabine Schuett, Volker von Baehr
Of the definitions listed in the International Statistical Classification of Diseases and Related Health Problems, tenth revision (ICD-10), two disease descriptions can be found together: "idiopathic aseptic bone necrosis" and "avascular bone necrosis." The relevant literature on both the conditions abbreviates both as "aseptic ischemic osteonecrosis in the jawbone" (AIOJ). To shed light on the clinical details of this condition, osteolytic jawbone samples of 24 patients with different systemic immunological diseases were examined using four steps: presurgical dental X-ray, postsurgical histology, polymerase chain reaction DNA analysis (PCR DNA) of bacteria, and RANTES/CCL5 (R/C) expression...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/29169968/evaluation-of-several-clinical-parameters-after-bleaching-with-hydrogen-peroxide-at-different-concentrations-a-randomized-clinical-trial
#18
Suellen Nogueira Linares Lima, Izabella Santos Ribeiro, Marcos Augusto Grisotto, Elizabeth Soares Fernandes, Viviane Hass, Rudys Rodolfo de Jesus Tavarez, Shelon Cristina Souza Pinto, Darlon Martins Lima, Alessandro D Loguercio, Matheus Coelho Bandeca
OBJECTIVE: This randomized double-blind clinical trial compared tooth sensitivity (TS), bleaching efficacy, and cytokine levels after applying in-office bleaching treatments containing 15% and 35% hydrogen peroxide (HP15% and HP35%, respectively). METHODS: Twenty-five volunteers were randomly assigned to receive HP15% or HP35% treatment. The bleaching agent was applied in three 15-min applications per session. Two bleaching sessions were separated by a 1-week interval...
January 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29109954/role-of-periapical-diseases-in-medication-related-osteonecrosis-of-the-jaws
#19
Nian Jing Rao, Jing Yi Wang, Ru Qing Yu, Yiu Yan Leung, Li Wu Zheng
Objective: The present study aimed to investigate the role of periapical diseases in inducing medication-related osteonecrosis of the jaws (MRONJ) using an ovariectomized (OVX) mice model. Materials and Methods: Twenty C57BL/6N female mice were randomly assigned to two groups. All mice were subjected to bilateral ovariectomy and then treated with oncologic dose of zoledronic acid (ZA) or vehicle for twelve weeks. Eight weeks after commence of drug administration, a pulpal exposure (PE) operation was performed on the first right lower molar to induce periapical periodontitis; the contralateral non-PE tooth was used as control...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29071028/successful-use-of-lower-level-laser-therapy-in-the-treatment-of-medication-related-osteonecrosis-of-the-jaw
#20
Gustavo Antonio Correa Momesso, Fábio Roberto de Souza Batista, Cecília Alves de Sousa, Valthierre Nunes de Lima, Tárik Ocon Braga Polo, Jaqueline Suemi Hassumi, Idelmo Rangel Garcia Júnior, Leonardo Perez Faverani
Case Presentation: This study aimed to report a case of medication related osteonecrosis of the jaw (MRONJ) of a 65-year-old female patient referred to the Oral and Maxillofacial Surgery team from Araçatuba Dental School, complaining about mobility of a previously dental implant placed on the posterior maxillary region. Clinical examination revealed an extensive necrosis area around the implant region. The patient reported bisphosphonate therapy with sodium alendronate for prevention of osteoporosis 5 years ago...
2017: Journal of Lasers in Medical Sciences
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