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Caterina Musolino, Giacomo Oteri, Alessandro Allegra, Manuela Mania, Angela D'Ascola, Angela Avenoso, Vanessa Innao, Andrea Gaetano Allegra, Salvatore Campo
Bisphosphonates are formidable inhibitors of osteoclast-mediated bone resorption employed for therapy of multiple myeloma (MM) subjects with osteolytic lesions. Osteonecrosis of the jaw (ONJ) is an uncommon drug-induced adverse event of these agents. MicroRNAs (miRNAs) are a group of small, noncoding RNAs nucleotides, which are essential post-transcriptional controllers of gene expression. They have a central role in the normal bone development. The goal of our study was to investigate 18 miRNAs, whose targets were previously validated and described in MM subjects without ONJ, in peripheral lymphocytes of MM subjects with bisphosphonate-induced ONJ...
March 15, 2018: Annals of Hematology
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.
December 28, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Yoshitaka Shimizu, Takahito Okazaki, Tomoaki Hamana, Masahiro Irifune
Treatment of pseudoaneurysms in the internal carotid artery (ICA) is associated with a high risk of cerebral infarction; therefore, vessel ligation for hemostasis must be avoided. A 66-year-old man had intraoral hemorrhaging. At the time of the initial examination, computed tomography angiography showed jaw plate displacement near the ICA. A more detailed image was obtained using digital-subtraction angiography. After evaluation of the image, a pseudoaneurysm was diagnosed. Six days later, there were concerns about aspiration and airway obstruction; therefore, tracheostomy was performed...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
Mothanna K AlRahabi, Hani M Ghabbani
Bisphosphonates are stable structural analogs of pyrophosphate, which suppress the activity of osteoclasts, leading to decreased bone resorption. They are essential medications in the treatment of osteoporosis. Osteonecrosis of the jaw is a serious adverse effect of bisphosphonate therapy. The prevalence of bisphosphonate-related osteonecrosis of the jaw varies from 0% to 28%, and it can be triggered by dental extraction and trauma. Root canal therapy can delay, or even eliminate, the need for tooth extraction, and therefore, may reduce the risk of bisphosphonate-related osteonecrosis of the jaw...
March 2018: Saudi Medical Journal
Rong-Ming Lyu, Alan Cowan, Ying Zhang, Yi-Hung Chen, Siok L Dun, Jaw-Kang Chang, Nae J Dun, Jin Jun Luo
In this brief review we summarize the current fndings relative to the discovery of a small peptide ligand, phoenixin (PNX). Using a bioinformatic approach, two novel peptides PNX-14 and PNX-20 containing 14 and 20 amino acids, respectively, were isolated from diverse tissues including the brain, heart, lung and stomach. Mass spectrometry analysis identified a major and minor peak corresponding to PNX-14 and PNX-20, in rat or mouse spinal cord extracts. With the use of a rabbit polyclonal antiserum, phoenixin immunoreactivity (irPNX) was detected in discrete areas of the rodent brain including several hypothalamic subnuclei and dorsal motor nucleus of the vagus...
March 15, 2018: Acta Pharmacologica Sinica
Eduardo José Pereira Oliveira, Vinício Felipe Brasil Rocha, Denismar Alves Nogueira, Alessandro Aparecido Pereira
This research aimed to assess the oral health related to quality of life among hypertensive and diabetic patients in the city of Alfenas, Brazil. This was a domiciliary-based, descriptive-analytical, cross-sectional research with a random, systematic sample stratified by the Family Health Team, consisting of 218 individuals. The following indexes were applied: DMFT, T-Health, FS-T, SiC index, use and need of prosthesis and OHIP-14. Most of the patients (56.42%) had only high blood pressure, were females (67...
March 2018: Ciência & Saúde Coletiva
Hsiu-An Lee, Chun-Yu Lin, Yung-Chang Chen, Shao-Wei Chen, Yu-Yun Nan, Kuo-Sheng Liu, Meng-Yu Wu, Yu-Sheng Chang, Jaw-Ji Chu, Pyng-Jing Lin, Feng-Chun Tsai
The feasibility and durability of mitral valve (MV) repair in active infective endocarditis (IE) has been reported, but proper management of perioperative neurological complications and surgical timing remains uncertain and may crucially affect the outcome.In this single-center retrospective observational study, patients who underwent isolated MV surgery for active native IE in our institution between August 2005 and August 2015 were reviewed and analyzed. Patients who were operated on for healed IE or who required combined procedures were excluded from this study...
March 2018: Medicine (Baltimore)
Xiao-Chun Mao, Chao Chen, Ke-Jing Wang
PURPOSE: To compare the efficacy and safety profiles of LigaSure™ small jaw instrument (LSJI) versus conventional technique in patients undergoing open thyroidectomy. METHODS: This single-center, prospective, observational study conducted in Zhejiang Provincial Cancer Hospital enrolled patients who underwent thyroidectomy between September 2013 and September 2014. The primary study outcomes included determination of blood loss, operative duration, length of hospital stay, and drainage volume...
March 13, 2018: European Archives of Oto-rhino-laryngology
Caroline Bachmeier, Chirag Patel, Peter Kanowski, Kunwarjit Sangla
Primary hyperparathyroidism (PH) is a common endocrine abnormality and may occur as part of a genetic syndrome. Inactivating mutations of the tumour suppressor gene CDC73 have been identified as accounting for a large percentage of hyperparathyroidism-jaw tumour syndrome (HPT-JT) cases and to a lesser degree account for familial isolated hyperparathyroidism (FIHP) cases. Reports of CDC73 whole gene deletions are exceedingly rare. We report the case of a 39 year-old woman with PH secondary to a parathyroid adenoma associated with a large chromosomal deletion (2...
2018: Endocrinology, Diabetes & Metabolism Case Reports
Florian Wagner, Rudolf Seemann, Mauro Marincola, Rolf Ewers
PURPOSE: The aim of this study was to report on 1-year outcomes of fixed full-arch fiber-reinforced resin bridges on short implants in atrophic maxillary jaws. MATERIALS AND METHODS: A prospective cohort study was designed and patients with severely atrophic maxillas, corresponding to Cawood and Howell Classes V and VI, were included. Mesial and distal peri-implant bone levels were assessed on panoramic radiographs that were taken at the time of implant insertion (baseline) and during follow-up visits...
February 19, 2018: Journal of Oral and Maxillofacial Surgery
Abigail S Tucker
No abstract text is available yet for this article.
March 12, 2018: Developmental Cell
N Naenni, P Sahrmann, P R Schmidlin, T Attin, D B Wiedemeier, V Sapata, C H F Hämmerle, R E Jung
The aim of the present study was to evaluate whether 6-mm dental implants in the posterior segments of either jaw perform equally well in terms of clinical and radiographic outcomes when compared with 10-mm implants after 5 y of loading. Patients with single-tooth gaps in the posterior area who were scheduled for implant therapy were randomly assigned to a group receiving either a 6- or 10-mm implant. After a healing period of 10 wk, implants were loaded with a screw-retained single crown and followed up at yearly intervals...
March 1, 2018: Journal of Dental Research
Sofía Pestoni, Federico Javier Degrange, Claudia Patricia Tambussi, María Manuela Demmel Ferreira, Germán Alfredo Tirao
The cranio-mandibular complex is an important structure involved in food capture and processing. Its morphology is related to the nature of the food item. Jaw muscles enable the motion of this complex and their study is essential for functional and evolutionary analysis. The present study compares available behavioral and dietary data obtained from the literature with novel results from functional morphological analyses of the cranio-mandibular complex of the Guira cuckoo (Guira guira) to understand its relationship with the zoophagous trophic habit of this species...
March 13, 2018: Journal of Morphology
N Chicherova, S E Hieber, A Khimchenko, C Bikis, B Müller, P Cattin
Localizing a histological section in the three-dimensional dataset of a different imaging modality is a challenging 2D-3D registration problem. In the literature, several approaches have been proposed to solve this problem; however, they cannot be considered as fully automatic. Recently, we developed an automatic algorithm that could successfully find the position of a histological section in a micro computed tomography (μCT) volume. For the majority of the datasets, the result of localization corresponded to the manual results...
March 13, 2018: Journal of Microscopy
Guan Yun Frances Wang, Xiang Qun Shi, Wenjia Wu, Maria Gueorguieva, Mu Yang, Ji Zhang
Temporomandibular disorder (TMD) is a set of heterogeneous musculoskeletal conditions involving the temporomandibular joint (TMJ) and/or the masticatory muscles. Up to 33% of the population has had at least one symptom of TMD with 5-10% of them requiring treatment. Common symptoms include limited jaw movement, joint sound, and pain in the orofacial area. Once TMD becomes chronic, it can be debilitating with comorbidities that greatly reduce one's overall quality of life. However, the underlying mechanism of TMD is unclear due to the multicausative nature of the disease...
March 12, 2018: Pain
Cristiano Tomasi, Mauro Donati, Denis Cecchinato, Isacco Szathvary, Enrico Corrà, Jan Lindhe
OBJECTIVE: To examine if (i) characteristics of the fresh extraction socket site influenced subsequent dimensional alterations and (ii) placement of deproteinized bovine mineral in the socket affected volumetric change during healing. MATERIALS AND METHODS: Twenty seven subjects and 28 extraction sites were included. Immediately after the removal of the tooth and after 6 months of healing, stone and virtual models of the jaw were produced. A cone beam computerized tomography scan was obtained immediately after extraction and the thickness of the buccal bone wall at the extraction site was measured...
March 13, 2018: Clinical Oral Implants Research
F N van der Weijden, R B Kuitert, F R U Berkhout, G A van der Weijden
PURPOSE: To systematically search the scientific literature concerning the influence of tooth position on wind instrumentalists' performance and embouchure comfort. METHODS: The PubMed, Cochrane, and Embase databases were searched up to November 2017. The main orthodontic journals were searched for papers older than the inception date of PubMed. Grey literature was sought via Google Scholar. Eligible studies were critically appraised and analysed. RESULTS: The searches retrieved 54 papers...
March 12, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
Keisuke Sugahara, Yoshiharu Katsumi, Masahide Koyachi, Yu Koyama, Satoru Matsunaga, Kento Odaka, Shinichi Abe, Masayuki Takano, Akira Katakura
Background: Along with the advances in technology of three-dimensional (3D) printer, it became a possible to make more precise patient-specific 3D model in the various fields including oral and maxillofacial surgery. When creating 3D models of the mandible and maxilla, it is easier to make a single unit with a fused temporomandibular joint, though this results in poor operability of the model. However, while models created with a separate mandible and maxilla have operability, it can be difficult to fully restore the position of the condylar after simulation...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Grigorii Markevich, Evgeny Esin, Liudmila Anisimova
The study examines the basic morphological and ecological features of Dolly Varden from Lake Kronotskoe (Russia, Kamchatka). Seven valid morphs different in head proportions, feeding, timing, and place of spawning have been determined in this ecosystem. The basic morphometric characteristics clearly separate Lake Kronotskoe morphs from each other, as well as from its potential ancestor (Dolly Varden). According to CVA analysis, the most notable morphological characteristics determining the mouth position are the length of a lower jaw and rostrum...
March 2018: Ecology and Evolution
Danica Popovik-Monevska, Suzana Bozovik-Dvojakovska, Vladimir Popovski, Alberto Benedetti, Aleksandar Grchev, Filip Koneski
BACKGROUND: The hyperparathyroidism (HPT) is a condition in which the parathyroid hormone (PTH) levels in the blood are increased. HPT is categorised into primary, secondary and tertiary. A rare entity that occurs in the lower jaw in association with HPT is the so-called brown tumour, which an osteolytic lesion is predominantly occurring in the lower jaw. It is usually a manifestation of the late stage of the disease. Osteosclerotic changes in other bones are almost always associated with renal osteodystrophy in secondary HPT and are extremely rare in primary HPT...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
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