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https://www.readbyqxmd.com/read/28647850/wound-healing-protein-profiles-in-the-postoperative-exudate-of-bisphosphonate-related-osteonecrosis-of-mandible
#1
Soung Min Kim, Mi Young Eo, Yun Ju Cho, Yeon Sook Kim, Suk Keun Lee
Recurrent bacterial infections in cases of bisphosphonate-related osteonecrosis of jaw (BRONJ) frequently occur. Therefore, BRONJ are usually treated by radical saucerization followed by intensive antibiotic medications without bisphosphonate therapy. The postoperative exudate (POE) from BRONJ lesions may directly indicate the inflammatory status of osteomyelitis in patients, but so far, the POE has rarely been examined for its expression of various cytokines and wound healing proteins. A total of 27 cases of BRONJ, which involved the mandible, were selected and their individual POE collected 6 h, 1 day, and 2 days after surgical intervention was analyzed by immunoprecipitation high performance liquid chromatography (IP-HPLC)...
June 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28642568/treatment-for-bisphosphonate-related-osteonecrosis-of-the-jaw
#2
Silvia Spivakovsky
Data sourcesCochrane Oral Health Group Trials Register, CENTRAL, Medline, Embase, CancerLit, CINAHL, AMED, clinicaltrials.gov and the WHO International Trial Registry Platform. The reviewers searched six grey literature sites and contacted authors, researchers and pharmaceutical companies.Study selectionRandomised controlled trials for the treatment of BRONJ comparing interventions with other treatment or placebo were included in any setting with no age restriction.Data extraction and synthesisIndependently, two reviewers selected studies for inclusion, risk of bias and data extraction...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28604257/genetic-factors-related-with-early-onset-of-osteonecrosis-of-the-jaw-in-patients-with-multiple-myeloma-under-zoledronic-acid-therapy
#3
Efstathios Kastritis, Pelagia Melea, Tina Bagratuni, Ioannis Melakopoulos, Maria Gavriatopoulou, Maria Roussou, Magdalini Migkou, Evangelos Eleutherakis-Papaiakovou, Evangelos Terpos, Meletios A Dimopoulos
Specific genetic polymorphisms (SNPs) have been correlated with the development of bisphosphonate-related osteonecrosis of the jaw (BRONJ) in small series. We screened 140 myeloma patients (36 patients with and 104 without BRONJ) for the presence of previously identified SNPs in PPARG and CYP2C8 genes. All the patients received exclusively zolendronic acid (ZA) therapy and were followed prospectively for BRONJ. SNPs in both genes were associated with a higher risk of development of early BRONJ, occurring within less than 2 years of ZA therapy (59% vs...
June 11, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28594896/zoledronate-suppressed-angiogenesis-and-osteogenesis-by-inhibiting-osteoclasts-formation-and-secretion-of-pdgf-bb
#4
Si-Yong Gao, Guang-Sen Zheng, Lin Wang, Yu-Jie Liang, Si-En Zhang, Xiao-Mei Lao, Kan Li, Gui-Qing Liao
PURPOSE: Bisphosphonates related osteonecrosis of jaw (BRONJ) is a severe complication of systemic BPs administration, the mechanism of which is still unclarified. Recently, platelet-derived growth factor-BB (PDGF-BB) secreted by preosteoclasts was reported to promote angiogenesis and osteogenesis. This study aimed to clarify whether bisphosphonates suppressed preosteoclasts releasing PDGF-BB, and whether the suppression harmed coupling of angiogenesis and osteogenesis, which could contribute to BRONJ manifestation...
2017: PloS One
https://www.readbyqxmd.com/read/28566618/underlying-mechanisms-and-therapeutic-strategies-for-bisphosphonate-related-osteonecrosis-of-the-jaw-bronj
#5
Yasuo Endo, Hiroyuki Kumamoto, Masanori Nakamura, Shunji Sugawara, Teruko Takano-Yamamoto, Keiichi Sasaki, Tetsu Takahashi
Bisphosphonates (BPs), with a non-hydrolysable P-C-P structure, are cytotoxic analogues of pyrophosphate, bind strongly to bone, are taken into osteoclasts during bone-resorption and exhibit long-acting anti-bone-resorptive effects. Among the BPs, nitrogen-containing BPs (N-BPs) have far stronger anti-bone-resorptive effects than non-N-BPs. In addition to their pyrogenic and digestive-organ-injuring side effects, BP-related osteonecrosis of jaws (BRONJ), mostly caused by N-BPs, has been a serious concern since 2003...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28497661/medication-related-osteonecrosis-of-the-jaw-risk-factors-in-patients-under-biphosphonate-versus-patients-under-antiresorptive-antiangiogenic-drugs
#6
Giulia Ghidini, Maddalena Manfredi, Ilaria Giovannacci, Giovanni Mergoni, Amin Sarraj, Maura Mureddu, Giovanna Giunta, Mauro Bonanini, Marco Meleti, Paolo Vescovi
BACKGROUND: Biphosphonate-Related Osteonecrosis of the Jaw (BRONJ) is a potential side effect associated with the administration of bisphosphonates; the aim of this work is to highlight the possible epidemiological differences between two groups of patients affected by MRONJ treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, Italy, between January 2004 and June 2016. METHODS: Medical charts of 303 patients (214 Females and 89 Males, mean age 67y) treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, between January 2004 and June 2016, were retrospectively analyzed...
May 10, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28365078/macrophage-and-osteoclast-polarization-in-bisphosphonate-associated-necrosis-and-osteoradionecrosis
#7
Falk Wehrhan, Patrick Moebius, Kerstin Amann, Jutta Ries, Raimund Preidl, Friedrich W Neukam, Manuel Weber
PURPOSE: Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is a complication of antiresorptive therapy with nitrogen-containing bisphosphonates (BP). With various suggestions as to pathogenesis, the etiology of BRONJ is not sufficiently understood. Osteoclasts and their precursors, that is, macrophages, are the main target cells of BP. BP can repolarize regeneration- and healing-associated M2 macrophages towards the tissue destructive M1-type. The current study aims to elucidate differences in macrophage and osteoclast polarization in BRONJ, osteoradionecrosis (ORN) and healthy control specimens...
March 1, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28361376/treatment-with-teriparatide-for-advanced-bisphosphonate-related-osteonecrosis-of-the-jaw-around-dental-implants-a-case-report
#8
Yusuke Zushi, Kazuki Takaoka, Joji Tamaoka, Miho Ueta, Kazuma Noguchi, Hiromitsu Kishimoto
We report a case of a 66-year-old severely osteoporotic woman with bisphosphonate-related osteonecrosis of the jaw (BRONJ) around her dental implants, who was treated successfully with teriparatide and sequestrectomy of the mandible. After 5 months of teriparatide therapy, the sequestrum separation had progressed and a sequestrectomy was performed under general anesthesia. Five months after the operation, new bone formation was observed around the bone defect in the region of the sequestrectomy. A repeat computed tomographic image revealed improvement in the bone defect in the mandible...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28361029/risk-factors-of-osteonecrosis-of-the-jaw-after-tooth-extraction-in-osteoporotic-patients-on-oral-bisphosphonates
#9
Ho-Gul Jeong, Jae Joon Hwang, Jeong-Hee Lee, Young Hyun Kim, Ji Yeon Na, Sang-Sun Han
PURPOSE: The aim of this study was to investigate the incidence of bisphosphonate-related osteonecrosis of the jaw (BRONJ) after tooth extraction in patients with osteoporosis on oral bisphosphonates in Korea and to evaluate local factors affecting the development of BRONJ. MATERIALS AND METHODS: The clinical records of 320 patients who underwent dental extraction while receiving oral bisphosphonates were reviewed. All patients had a healing period of more than 6 months following the extractions...
March 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28326724/-research-progress-on-bisphosphonate-related-osteonecrosis-of-the-jaws
#10
REVIEW
Pan Jian, Wang Qizhang, Liu Jiyuan
Bisphosphonates (BPs), as potent drugs inhibiting bone resorption, have been widely used for treatment of several diseases. In recent years, dentists and oral and maxillofacial surgeons reported continuously increasing cases of bisphosphonate-related osteonecrosis of the jaws (BRONJ). This disease is clinically characterized by exposed bones, formation of sequestrum, pain, and halitosis. Provided that pathogenesis of BRONJ is unclear, effective treatments for this disease are currently unavailable. Thus, prevention plays an important role in the management of BRONJ...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317352/-clinical-analysis-of-bisphosphonate-related-osteonecrosis-of-the-jaw
#11
Gong Jiaxing, Wang Huiming
OBJECTIVE: The study aims to analyze patients with bisphosphonate-related osteonecrosis of the jaw (BRONJ). METHODS: Twelve patients treated in the Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Me-dical School, Zhejiang University from May 2013 to September 2015 were included. Patients' basic situation, medication, clinical symptoms, therapies, and effects were obtained and analyzed. RESULTS: The treatment of nine patients focused on the mandible, whereas that of three patients was on the maxilla...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28286679/a-case-of-bisphosphonate-related-osteonecrosis-of-the-jaw-in-a-patient-with-subpontic-osseous-hyperplasia
#12
Chiaki Tsuji, Hiroshi Watanabe, Hidenori Nakayama, Mitsuo Goto, Kenichi Kurita
Subpontic osseous hyperplasia (SOH) is a growth of bone occurring on the edentulous ridge beneath the pontics of fixed partial dentures (FPDs). This report describes a case of bisphosphonate- (BP-) related osteonecrosis of the jaw (BRONJ) in a SOH patient followed by deciduation of the bony lesion. A 73-year-old woman visited a dental clinic after experiencing pain and swelling beneath the pontics of a FPD that had been inserted 15 years ago. The pontics were removed, but the symptoms persisted and she was referred to our hospital...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28280705/relationship-between-disease-stage-and-renal-function-in-bisphosphonate-related-osteonecrosis-of-the-jaw
#13
Yun-Ho Kim, Han-Kyul Park, Na-Rae Choi, Seong-Won Kim, Gyoo-Cheon Kim, Dae-Seok Hwang, Yong-Deok Kim, Sang-Hun Shin, Uk-Kyu Kim
OBJECTIVES: Bisphosphonate is the primary cause of bisphosphonate-related osteonecrosis of the jaw (BRONJ). Bisphosphonates are eliminated from the human body by the kidneys. It is anticipated that bisphosphonate levels in the body will increase if the kidney is in a weak state or if there is systemic disease that affects kidney function. The aim of this study was to analyze the relevance of renal function in the severity of BRONJ. MATERIALS AND METHODS: Ninety-three patients diagnosed with BRONJ in Pusan National University Dental Hospital from January 2012 to December 2014 were included in this study...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28256491/radiographic-findings-of-bisphosphonate-related-osteonecrosis-of-the-jaws-comparison-with-cone-beam-computed-tomography-and-panoramic-radiography
#14
A Demir, F N Pekiner
OBJECTIVE: The aim of this study is to assess radiographic findings of bisphosphonate-related osteonecrosis of the jaws (BRONJ) and to evaluate the efficiency of cone-beam computed tomography (CBCT) and panoramic radiography (PR) by comparing with each other. MATERIALS AND METHODS: The data of 46 patients treated with bisphosphonates for at least 1 to 10 years were retrospectively examined. 27 patients were selected for study group. The first inclusion criteria was an available CBCT or PR...
March 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28210453/surgical-treatment-vs-conservative-treatment-in-intravenous-bisphosphonate-related-osteonecrosis-of-the-jaws-systematic-review
#15
REVIEW
Aida Comas-Calonge, Rui Figueiredo, Cosme Gay-Escoda
AIMS: To determine the success rates of the surgical and non-surgical treatments in the management of bisphosphonate-related osteonecrosis of the jaws (BRONJ). MATERIAL AND METHODS: A systematic review of the literature was made. A PubMed Medline database search was performed in order to include clinical studies published in English,between2004 and 2014 with the following key-words: "BRONJ AND treatment" and "NOT osteoporosis". The following data was gathered: authors, title, year of publication, aim of study, level of evidence, sample size, treatment performed, treatment outcomes and follow-up...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28199140/role-of-bone-marrow-stromal-cells-in-impaired-bone-repair-from-bronj-osseous-lesions
#16
L H He, E Xiao, J G An, Y He, S Chen, L Zhao, T Zhang, Y Zhang
Treatment of bisphosphonate-related osteonecrosis of the jaw (BRONJ) has posed significant challenges to maxillofacial surgeons because of the poor repair of BRONJ bone defects. Moreover, the pathological mechanisms remain unclear. Bone marrow stromal cells (BMSCs) play key roles during bone repair and bone regeneration. However, the activities of BMSCs derived from BRONJ lesions and the BRONJ lesion boundary, as well as the roles of BMSCs in BRONJ defect repair, are poorly defined. In this study, we found that BMSCs from the central area of the osteonecrotic BRONJ region (center-BRONJ BMSCs) and the peripheral area at the recommended debridement boundary (peri-BRONJ BMSCs) had decreased proliferative ability, self-renewal capacity, and multidifferentiation capacities compared with control BMSCs...
May 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28186845/image-findings-of-bisphosphonate-related-osteonecrosis-of-jaws-comparing-with-osteoradionecrosis
#17
Kenichi Obinata, Shinichi Shirai, Hitoshi Ito, Motoyasu Nakamura, Marco Carrozzo, Iain Macleod, Andrew Carr, Yutaka Yamazaki, Kanchu Tei
OBJECTIVES: The aim of this study was to evaluate image characteristics of bisphosphonate-related osteonecrosis of the jaws (BRONJ) and compare these with osteoradionecrosis (ORN). METHODS: 34 patients with BRONJ and 16 patients with ORN were included in this study. We investigated the CT and dental panoramic radiograph (DPR) images for osteolysis, osteosclerosis, sequestration, periosteal reaction, pathological fracture and spread of soft tissue inflammation around the jaws...
March 16, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28160593/dental-extraction-following-zoledronate-induces-osteonecrosis-in-rat-s-jaw
#18
X Vidal-Gutiérrez, J-F Gómez-Clavel, L-A Gaitán-Cepeda
BACKGROUND: Bisphosphonate-Related Osteonecrosis of the Jaw (BRONJ) is clinically characterized by the presence of exposed bone in the oral cavity that persists for more than eight weeks. Previous attempts to establish an animal model have not sufficiently considered disease features. Our aim was to establish an inexpensive and replicable animal model that develops BRONJ in a short time. MATERIAL AND METHODS: Thirty-two male Wistar rats were randomly divided into two groups: control and experimental...
March 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28139685/skeletal-site-specific-effects-of-zoledronate-on-in-vivo-bone-remodeling-and-in-vitro-bmscs-osteogenic-activity
#19
Xue Gong, Wanlu Yu, Hang Zhao, Jiansheng Su, Qing Sheng
Bisphosphonate-related osteonecrosis of the jaw (BRONJ) has been associated with long-term oral or intravenous administration of nitrogen-containing bisphosphonates (BPs). However, the pathogenesis of BRONJ remains unknown, and definitively effective treatment has not yet been established. Bisphosphonate-related osteonecrosis (BRON) tends to occur in maxillofacial bones. Why this occurs is still unclear. Here we show that zoledronate (Zol) treatment suppresses alveolar bone remodeling after tooth typical clinical and radiographic hallmarks of the human BRONJ, whereas enhances peripheral bone quantity in bone remodeling following injury in the same individuals, shown as increased cortical bone thickness, increased trabecular bone formation and accelerated bone defect repair...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28107028/interrelationship-of-clinical-radiographic-and-haematological-features-in-patients-under-bisphosphonate-therapy
#20
Valesca S Koth, Maria A Figueiredo, Fernanda G Salum, Karen Cherubini
OBJECTIVES: To analyze the clinical, radiographic and haematological aspects of patients under bisphosphonate therapy. METHODS: A retrospective study was conducted where the records of patients taking bisphosphonates were analyzed considering the occurrence of bisphosphonate-related osteonecrosis of the jaw (BRONJ). Evaluation included panoramic and periapical radiographies, haematological examinations and clinical features. Radiographies were analyzed determining the presence or absence of bone sclerosis, osteolysis, persisting alveolar socket, narrowing of the mandibular canal, widening of the periodontal ligament space, periradicular radiolucency, sequestrum and thickening of the lamina dura...
April 2017: Dento Maxillo Facial Radiology
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