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https://www.readbyqxmd.com/read/28210458/osseous-oral-hyaline-ring-granuloma-mimicking-a-mandible-tumor-in-a-child-with-congenital-agenesis-of-the-corpus-callosum
#1
Rodrigo Neves-Silva, Camilla-Borges Ferreira-Gomes, Natalia Palmier, Marcelo Brum-Corrêa, Oslei Paes-Almeida, Marcio Ajudarte-Lopes, Pablo Agustin-Vargas, Alan-Roger Santos-Silva
BACKGROUND: Hyaline ring granuloma (HRG) of the oral cavity is an uncommon disorder considered to be a foreign-body reaction resulting from implantation of food vegetable particles. Microscopically, it is characterized by the presence of structures of hyaline rings in an inflamed fibrous tissue background, which contains multinucleated giant cells. MATERIAL AND METHODS: We present the case of a 4-year-old boy diagnosed with a mandible osseous HRG, which showed clinical and tomographic aspects suggestive of an aggressive bone tumor...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210452/ewing-sarcoma-of-the-oral-cavity-a-review
#2
REVIEW
Maria Margaix-Muñoz, José Bagán, Rafael Poveda-Roda
OBJECTIVES: A review is made of the clinical, diagnostic, therapeutic and survival characteristics of Ewing sarcoma (ES) of the oral cavity. MATERIAL AND METHODS: A systematic literature search was carried out, with restrictions referred to time (1960-2014), language (English and Spanish) and type of study (case reports, letters, datasets, reviews). The following MeSH terms and boolean operators were used: Ewing AND Sarcoma AND [tongue, jaw, maxilla, cheek, condyle OR temporomandibular, floor AND mouth, gum OR gingiva, palate OR palatal, lip, uvula, head AND neck]...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28209012/a-case-of-verruciform-xanthoma-arising-in-the-tongue
#3
Yukihiro Hiraishi, Itaru Tojyo, Norifumi Kiga, Koji Tanimoto, Shigeyuki Fujita
Verruciform Xanthoma (VX) is a rare lesion of the oral cavity. Histologically, it is characterized by papillary or verrucous proliferation of squamous epithelium and numerous foam cells. VX arising in the tongue is comparatively rare, as most cases of VX in oral cavity occur in gingiva. A 65-year-old woman was referred to our clinic with a mass on the left side of the tongue. The lesion was yellowish, and its surface was granulated. The patient had neither tenderness nor any symptoms. The lesion was clinically diagnosed to be a benign tumor, and hence, biopsy was performed, according to which it was diagnosed as hyperparakeratosis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28209005/serum-iron-and-haemoglobin-estimation-in-oral-submucous-fibrosis-and-iron-deficiency-anaemia-a-diagnostic-approach
#4
Divya Bhardwaj, Ajit D Dinkar, Sujata K Satoskar, Sapna Raut Desai
INTRODUCTION: Oral Submucous Fibrosis (OSMF) is a premalignant condition with potential malignant behaviour characterized by juxta-epithelial fibrosis of the oral cavity. In the process of collagen synthesis, iron gets utilized, by the hydroxylation of proline and lysine, leading to decreased serum iron levels. The trace element like iron is receiving much attention in the detection of oral cancer and precancerous condition like OSMF as it was found to be significantly altered in these conditions...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208995/a-comparative-analysis-of-caries-inhibitory-effect-of-remineralizing-agents-on-human-enamel-treated-with-er-yag-laser-an-in-vitro-atomic-emission-spectrometry-analysis
#5
Aswin Saseendran Nair, R Krishna Kumar, Sunil Thomas Philip, Syed Shaheed Ahameed, Sairaj Punnathara, Joby Peter
INTRODUCTION: The tug of war to maintain tooth integrity is dependent on a ratio between demineralization and remineralization. Hence, demineralization should be retarded and remineralization should be enhanced to maintain a natural equilibrium in the oral cavity. AIM: To compare in-vitro acid resistance of human enamel when using Casein Phosphopeptides Amorphous Calcium Phosphate (CPP-ACP) [GC Tooth mousse] cream, Casein Phosphopeptide Amorphous Calcium Fluoride Phosphate (CPP-ACFP) [GC Tooth mousse plus] cream, Er:YAG laser alone, combination of CPP-ACP with Er:YAG laser, CPP-ACFP with Er:YAG laser...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208669/the-role-of-nerve-growth-factor-ngf-and-its-precursor-forms-in-oral-wound-healing
#6
REVIEW
Karl Schenck, Olav Schreurs, Katsuhiko Hayashi, Kristen Helgeland
Nerve growth factor (NGF) and its different precursor forms are secreted into human saliva by salivary glands and are also produced by an array of cells in the tissues of the oral cavity. The major forms of NGF in human saliva are forms of pro-nerve growth factor (pro-NGF) and not mature NGF. The NGF receptors tropomyosin-related kinase A (TrkA) and p75 neurotrophin receptor (p75(NTR)) are widely expressed on cells in the soft tissues of the human oral cavity, including keratinocytes, endothelial cells, fibroblasts and leukocytes, and in ductal and acinar cells of all types of salivary glands...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207555/human-immunodeficiency-virus-negative-plasmablastic-lymphoma-a-case-report-and-literature-review
#7
Li Lin, Xudong Zhang, Meng Dong, Ling Li, Xinhua Wang, Lei Zhang, Xiaorui Fu, Zhenchang Sun, Jingjing Wu, Zhaoming Li, Yu Chang, Yingjun Wang, Zhiyuan Zhou, Mingzhi Zhang, Qingjiang Chen
RATIONALE: Plasmablastic lymphoma (PBL) is a rare subtype of human immunodeficiency virus (HIV)-related non-Hodgkin's lymphoma that predominantly manifests in the oral cavity. PATIENT CONCERNS: Three cases of HIV-negative PBL were reported. DIAGNOSES: HIV-negative PBL INTERVENTIONS:: The patient had undergone chemotherapy. OUTCOMES: Clinical outcomes were very poor in Cases 1 and 3; Case 2, whose diagnosis suggested no bone marrow involvement, is still alive...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206871/swallowing-therapy-and-progressive-resistance-training-in-head-and-neck-cancer-patients-undergoing-radiotherapy-treatment-randomized-control-trial-protocol-and-preliminary-data
#8
Sara F Hajdú, Irene Wessel, Christoffer Johansen, Claus A Kristensen, Zahra T Kadkhoda, Christina C Plaschke, Susanne O Dalton
BACKGROUND: Head and neck cancer (HNC) patients are often challenged by treatment induced dysphagia and trismus. Traditionally, rehabilitation is initiated when loss of function has already occurred. There is increasing evidence that it is of benefit to patients to initiate an early rehabilitation process before and during treatment. HNC patients have a unique set of functional challenges such as pre- and post-treatment dysphagia, pain and weight loss. The aim of the trial is to investigate the effects of swallowing and mouth-opening exercises combined with progressive resistance training (PRT) during radiotherapy...
February 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28204842/the-effect-of-nonsurgical-periodontal-therapy-on-hnp1-3-level-in-gingival-crevicular-fluid-of-chronic-periodontitis-patients
#9
Ewa Dolińska, Anna Skurska, Małgorzata Pietruska, Violetta Dymicka-Piekarska, Robert Milewski, Jan Pietruski, Anton Sculean
The rich bacterial flora of oral cavity is controlled by innate immune response, including antibacterial peptides and among them human neutrophil peptides 1-3 (HNP1-3). The knowledge of the involvement of HNPs in innate and acquired immunity of the periodontium is fragmentary. The aim of the study was to assess alterations in HNP1-3 levels in the gingival crevicular fluid (GCF) of chronic periodontitis patients before and after nonsurgical periodontal therapy. Nineteen patients with chronic periodontitis were qualified to the study...
February 15, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28203028/-unerupted-first-deciduous-molar-located-higher-to-the-first-premolar-a-case-report
#10
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202416/microarray-analysis-of-macrophage-response-to-infection-with-streptococcus-oralis-reveals-the-immunosuppressive-effect-of-hydrogen-peroxide
#11
Hitomi Matsushima, Yutaro Kumagai, Alexis Vandenbon, Hideo Kataoka, Miki Kadena, Haruka Fukamachi, Takafumi Arimoto, Hirobumi Morisaki, Nagatoshi Fujiwara, Nobuo Okahashi, Hirotaka Kuwata
Oral streptococci including mitis group streptococci are commensal residents and are also the first to colonize the oral cavity. However, various species of these oral streptococci have the potential to invade the host and occasionally lead to severe infectious disease such as cardiovascular diseases. Oral streptococci have close interactions with the host immune system including macrophages at the oral mucosal surface. One notable common trait of oral streptococcus including Streptococcus oralis (S. oralis) is the production of hydrogen peroxide (H2O2)...
February 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28199744/buccal-films-as-a-dressing-for-the-treatment-of-aphthous-lesions
#12
Zdeněk Daněk, Jan Gajdziok, Petr Doležel, Hana Landová, David Vetchý, Jan Štembírek
BACKGROUND: Buccal flexible films in the form of solid, thin, mucoadhesive patches can be used as dressings separating aphthous lesions from the environment of the oral cavity, which can in turn shorten the treatment period and reduce the pain perception. METHODS: The clinical study was performed on 36 volunteers suffering from aphthous lesions. The first group was treated using standard means - by application of an oral gel containing cholin salicylas (Mundisal) on the aphthous lesion...
February 15, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28199413/low-prevalence-of-human-papillomavirus-in-head-and-neck-squamous-cell-carcinoma-in-the-northwest-region-of-the-philippines
#13
Pia Marie Albano, Dana Holzinger, Christianne Salvador, Jose Orosa, Sheryl Racelis, Modesty Leaño, Danilo Sanchez, Lara Mae Angeles, Gordana Halec, Markus Schmitt, John Donnie Ramos, Michael Pawlita
BACKGROUND: Geographic heterogeneity of human papillomavirus (HPV) involvement in head and neck squamous cell carcinoma (HNSCC) has been observed over the last few years. This trend has not been evaluated in the Philippines. Hence, this study aims to provide for the first time a data on the prevalence of HPV in HNSCC in the northwestern region of the Philippines. METHODS: Two hundred one (201) biopsy samples (179 formalin fixed paraffin embedded and 22 fresh frozen) from 163 Filipino HNSCC cases (oral cavity = 88; larynx = 60; oropharynx = 15) diagnosed between 2003 to 2013 were initially included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28198672/integrated-metagenomic-data-analysis-demonstrates-that-a-loss-of-diversity-in-oral-microbiota-is-associated-with-periodontitis
#14
Dongmei Ai, Ruocheng Huang, Jin Wen, Chao Li, Jiangping Zhu, Li Charlie Xia
BACKGROUND: Periodontitis is an inflammatory disease affecting the tissues supporting teeth (periodontium). Integrative analysis of metagenomic samples from multiple periodontitis studies is a powerful way to examine microbiota diversity and interactions within host oral cavity. METHODS: A total of 43 subjects were recruited to participate in two previous studies profiling the microbial community of human subgingival plaque samples using shotgun metagenomic sequencing...
January 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28197628/resveratrol-induced-autophagy-and-apoptosis-in-cisplatin-resistant-human-oral-cancer-car-cells-a-key-role-of-ampk-and-akt-mtor-signaling
#15
Chao-Hsiang Chang, Chao-Ying Lee, Chi-Cheng Lu, Fuu-Jen Tsai, Yuan-Man Hsu, Je-Wei Tsao, Yu-Ning Juan, Hong-Yi Chiu, Jai-Sing Yang, Ching-Chiung Wang
Resveratrol is known to be an effective chemo-preventive phytochemical against multiple tumor cells. However, the increasing drug resistance avoids the cancer treatment in oral cavity cancer. In this study, we investigated the oral antitumor activity of resveratrol and its mechanism in cisplatin-resistant human oral cancer CAR cells. Our results demonstrated that resveratrol had an extremely low toxicity in normal oral cells and provoked autophagic cell death to form acidic vesicular organelles (AVOs) and autophagic vacuoles in CAR cells by acridine orange (AO) and monodansylcadaverine (MDC) staining...
January 30, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28196645/oral-squamous-cell-carcinoma-in-three-related-kowari-dasyuroides-byrnei
#16
Richard Saunders, Rowena Killick, Michelle Barrows, Mark Stidworthy
We report three kowari (Dasyuroides byrnei) with squamous cell carcinoma affecting the gingiva. These cases occurred in rapid succession in a related group of individuals of similar age, suggesting a familial tendency to this condition and a typical age of presentation. Other conditions affecting the oral cavity can mimic the appearance of oral squamous cell carcinoma in this species, and so knowledge of this condition can assist the veterinarian in making rapid decisions regarding prognosis and improving the welfare of these animals...
February 11, 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28196330/decellularized-human-dental-pulp-as-a-scaffold-for-regenerative-endodontics
#17
J S Song, K Takimoto, M Jeon, J Vadakekalam, N B Ruparel, A Diogenes
Teeth undergo postnatal organogenesis relatively late in life and only complete full maturation a few years after the crown first erupts in the oral cavity. At this stage, development can be arrested if the tooth organ is damaged by either trauma or caries. Regenerative endodontic procedures (REPs) are a treatment alternative to conventional root canal treatment for immature teeth. These procedures rely on the transfer of apically positioned stem cells, including stem cells of the apical papilla (SCAP), into the root canal system...
February 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28195637/sexual-and-relationship-health-among-survivors-of-oropharyngeal-or-oral-cavity-squamous-cell-carcinoma
#18
EDITORIAL
Gypsyamber D'Souza, Hilary A Robbins
No abstract text is available yet for this article.
February 14, 2017: Cancer
https://www.readbyqxmd.com/read/28195069/salivary-oxidative-status-in-patients-with-oral-lichen-planus
#19
D Darczuk, W Krzysciak, P Vyhouskaya, B Kesek, D Galecka-Wanatowicz, W Lipska, T Kaczmarzyk, M Gluch-Lutwin, B Mordyl, M Chomyszyn-Gajewska
Reactive oxygen species (ROS) are involved in the pathogenesis of many inflammatory diseases, including oral lichen planus. Therefore, determining the salivary markers of oxidative stress is an excellent alternative approach to diagnosing oral cavity diseases. The objective of our study was to provide preliminary validation and determination of the salivary markers of oxidative stress in both patients with reticular and erosive forms of oral lichen planus as well as in healthy individuals without any oral lesions...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28194493/oral-health-of-adult-patients-undergoing-hematopoietic-cell-transplantation-pre-transplant-assessment-and-care
#20
REVIEW
Agnieszka Bogusławska-Kapała, Kazimierz Hałaburda, Ewa Rusyan, Hubert Gołąbek, Izabela Strużycka
Hematopoietic cell transplantation (HCT) is now one of the frequent procedures used for treatment of malignant and non-malignant blood diseases, autoimmune disorders, and certain solid tumors. Despite improvements of therapeutic protocols, HCT still carries a high risk of non-relapse mortality due to early and late complications. Side effects of the therapy regimen frequently occur in the oral cavity and often significantly decrease the patients' quality of life. The complications may result from or may be exacerbated by improper oral preparation of the patient before transplantation...
February 13, 2017: Annals of Hematology
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