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https://www.readbyqxmd.com/read/29783260/-methods-of-diagnosis-of-non-specific-and-specific-lymphideniates-of-the-jaw-facial-part-in-children-literature-review
#1
Pavlo I Tkachenko, Yurii B Lobach, Sergii O Bilokon, Vitalina O Dobroskok, Yuliia V Popelo
OBJECTIVE: Introduction: Insufficient basic knowledge on the mechanisms of the multifactoral etiology and pathogenesis of various forms of maxillofacial lymphadenitis of odontogenic and non-odontogenic nature in children causes difficulties in making differential diagnosis. The algorithm of their examination involves a large number of methods, each of which has its own advantages and disadvantages with variable informativeness, depending on the particular situation. The aim: The paper is aimed atfamiliarization of broad medical public with informativeness of diagnostic measures in the nonspecific and specific affection of lymph nodes of the maxillofacial area in children...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783235/-statistical-information-about-the-inflammatory-processes-of-the-jaw-facial-part-in-children
#2
Pavlo I Tkachenko, Serhii O Bilokon, Nataliia M Lokhmatova, Vitalina O Dobroskok, Olha B Dolenko, Nataliia M Korotych, Yuliia V Popelo
OBJECTIVE: Introduction: The acute and chronic inflammatory processes prevail in the structure of the dental surgical diseases in children. Notably, various forms of lymphadenitis, adenophlegmon and odontogenous osteomyelitis dominate in the specialized surgical units; however, it is not possible to resolve a number of organizational problems without clear understanding of the statistical situation. The aim: The paper is aimed at the analysis of the incidence rate of major nosological forms of the acute suppurative inflammations of the maxillofacial area in children for the prospective planning of arrangements to provide them with high-quality specialized care...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782148/accelerated-bone-regeneration-by-nitrogen-doped-carbon-dots-functionalized-with-hydroxyapatite-nanoparticles
#3
Deepak Kumar Khajuria, Vijay Bhooshan Kumar, Dana Gigi, Aharon Gedanken, David Karasik
We investigated the osteogenic potential of nitrogen doped carbon dots (NCDs) conjugated with hydroxyapatite (HA) nanoparticles on the MC3T3-E1 osteoblast cell functions and in a zebrafish (ZF) jaw bone regeneration (JBR) model. The NCDs-HA nanoparticles were fabricated by hydrothermal cum co-precipitation technique. The surface structures of NCDs-HA nanoparticles were characterized by XRD, FTIR, UV-Vis, and laser fluorescent spectroscopy, SEM, TEM, EDS, and NMR analysis. The TEM data confirmed that the NCDs are well conjugated on the HA nanoparticle surfaces...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29782040/two-repetitive-bouts-of-intense-eccentric-concentric-jaw-exercises-reduce-experimental-muscle-pain-in-healthy-subjects
#4
Rosaria Bucci, Frank Lobbezoo, Ambrosina Michelotti, Michail Koutris
BACKGROUND: High-intensity eccentric-concentric contractions of the jaw-closing muscles induce muscle soreness, fatigue, and functional impairment of the jaw, resembling the symptoms of myalgia, according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD). However, it is claimed that repetition of similar exercises can minimize these detrimental effects. OBJECTIVE: This study aimed to evaluate the response of jaw closing muscles following two series of intense eccentric-concentric exercises of the masticatory muscles in healthy subjects...
May 21, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29782036/differential-diagnosis-of-jaw-pain-using-informatics-technology
#5
Yoon Nam, Hong-Gee Kim, Hong-Seop Kho
This study aimed to deduce evidence-based clinical clues that differentiate temporomandibular disorders (TMD)-mimicking conditions from genuine TMD by text mining using natural language processing (NLP) and recursive partitioning. We compared the medical records of 29 patients diagnosed with TMD-mimicking conditions and 290 patients diagnosed with genuine TMD. Chief complaints and medical histories were preprocessed via NLP to compare the frequency of word usage. In addition, recursive partitioning was used to deduce the optimal size of mouth opening, which could differentiate TMD-mimicking from genuine TMD groups...
May 21, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29780606/trismus-masticatory-myositis-and-antibodies-against-type-2m-fibers-in-a-mixed-breed-cat
#6
Stanley W Blazejewski, G Diane Shelton
Case summary: A 1-year-old male neutered mixed breed cat presented with a 2 month history of inability to fully open the mouth when yawning and decreased ability to prehend food. Physical examination revealed severe bilaterally symmetrical masticatory muscle atrophy, a restricted vertical mandibular range of motion of 11-12 mm, and a normal body condition score. Skull radiography was normal. A canine ELISA system against unique masticatory muscle fibers (2M antibody titer), was positive at 1:1000 (reference interval <1:100 in dogs, and was <1:100 using serum from five archived normal cats), indicating the presence of cross-reacting antibodies...
January 2018: JFMS Open Reports
https://www.readbyqxmd.com/read/29779940/encoding-of-articulatory-kinematic-trajectories-in-human-speech-sensorimotor-cortex
#7
Josh Chartier, Gopala K Anumanchipalli, Keith Johnson, Edward F Chang
When speaking, we dynamically coordinate movements of our jaw, tongue, lips, and larynx. To investigate the neural mechanisms underlying articulation, we used direct cortical recordings from human sensorimotor cortex while participants spoke natural sentences that included sounds spanning the entire English phonetic inventory. We used deep neural networks to infer speakers' articulator movements from produced speech acoustics. Individual electrodes encoded a diversity of articulatory kinematic trajectories (AKTs), each revealing coordinated articulator movements toward specific vocal tract shapes...
May 8, 2018: Neuron
https://www.readbyqxmd.com/read/29778553/effects-of-non-thermal-plasma-on-sandblasted-titanium-dental-implants-in-beagle-dogs
#8
Yi-Wen Hung, Hui-Ling Chen, Li-Tsu Lee, Kwong-Chung Tung, Da-Tain Bau, Yong-Kie Wong
BACKGROUND: In this study, we investigated the effects of treating dental implants made from titanium with argon based non-thermal plasma, immediately before insertion on implant stability and bone formation. Biodegradable sandblasting and acid etching had been previously used to modify the surface of the implants. METHODS: To obtain data for 4-time points in triplicate with references, a total of 36 dental implants were divided into 2 groups; 18 implants served as the experimental group and received a spray containing non-thermal plasma, while the other 18 implants served as controls...
May 16, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29777942/photomodulation-multiple-sessions-as-a-promising-preventive-therapy-for-medication-related-osteonecrosis-of-the-jaws-after-tooth-extraction-in-rats
#9
Cristian Statkievicz, Luan Felipe Toro, João Martins de Mello-Neto, Daniela Pereira de Sá, Cláudio Aparecido Casatti, João Paulo Mardegan Issa, Luciano Tavares Angelo Cintra, Juliano Milanezi de Almeida, Maria José Hitomi Nagata, Valdir Gouveia Garcia, Leticia Helena Theodoro, Edilson Ervolino
The aim of this study was to evaluate the effects of photobiomodulation (PBM) with multiple sessions of low-level laser on the alveolar repair process of rats with major risk factors for medication-related osteonecrosis of the jaws (MRONJ). Senile rats received 0.45 mL of vehicle (VEH and VEH-PBM) or 0.45 mL of 100 μg/kg zoledronate (ZOL and ZOL-PBM) administrated intraperitoneally every two days during seven weeks. After three weeks of initiation of drug treatment the first lower left molar was extracted...
May 9, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29777557/are-stable-isotope-ratios-and-oscillations-consistent-in-all-baleen-plates-along-the-filtering-apparatus-validation-of-an-increasingly-used-methodology
#10
Raquel García-Vernet, Pol Sant, Gísli Víkingsson, Asunción Borrell, Alex Aguilar
RATIONALE: Baleen plates are anatomical structures composed of inert tissue that hang from the upper jaw in mysticetes. Baleen plates may differ in size and in coloration between different segments of the filtering row or between sides of the mouth. Concern has been raised that variation in baleen plate characteristics may reflect dissimilar structural composition and growth rates liable of affecting the stable isotope ratios and their oscillation patterns. METHODS: We measured stable carbon (δ13 C values) and nitrogen (δ15 N values) isotope ratios at intervals of one centimeter along the longitudinal axis of six baleen plates collected from different positions along the mouth of a fin whale...
May 18, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29777250/prevalence-of-temporomandibular-disorders-in-patients-with-hashimoto-thyroiditis
#11
Alina Grozdinska, Elisabeth Hofmann, Matthias Schmid, Ursula Hirschfelder
OBJECTIVES: Autoimmune thyroid disease (AITD), also known as Hashimoto thyroiditis (HT), is a degenerative inflammatory disease with high prevalence among women and has been associated with fibromyalgia and widespread chronic pain. The goal was to determine the frequency of temporomandibular disorders (TMD) in patients with HT. METHODS: In all, 119 women (age 19-60 years) were divided into a study (52 women diagnosed with HT) and a control (67 healthy individuals, of which 15 were excluded) group...
May 17, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29777011/fox-proteins-are-modular-competency-factors-for-facial-cartilage-and-tooth-specification
#12
Pengfei Xu, Bartosz Balczerski, Amanda Ciozda, Kristin Louie, Veronika Oralova, Ann Huysseune, J Gage Crump
Facial form depends on the precise positioning of cartilage, bone, and tooth fields in the embryonic pharyngeal arches. How complex signaling information is integrated to specify these cell types remains a mystery. We find that modular expression of Forkhead-domain transcription factors (Fox) in the zebrafish face arises through integration of Hh, Fgf, Bmp, Edn1, and Jagged-Notch pathways. Whereas loss of C-class Fox proteins results in reduced upper facial cartilages, loss of F-class Fox proteins results in distal jaw truncations and absent midline cartilages and teeth...
May 18, 2018: Development
https://www.readbyqxmd.com/read/29776771/association-between-pain-severity-and-clinicohistopathologic-findings-in-the-mandibular-canal-and-inferior-alveolar-nerve-of-patients-with-advanced-mandibular-osteoradionecrosis
#13
Yujiro Hiraoka, Masaya Akashi, Satoshi Wanifuchi, Junya Kusumoto, Manabu Shigeoka, Takumi Hasegawa, Kazunobu Hashikawa, Hiroto Terashi, Takahide Komori
OBJECTIVE: Pain is one of the most problematic symptoms in patients with osteoradionecrosis of the jaws. This study investigated the associations between pain severity and morphologic alterations of the mandibular canal and inferior alveolar nerve, in respective computerized tomography images and resected specimens of mandibular osteoradionecrosis. STUDY DESIGN: We assessed 14 lesions in 13 patients who underwent segmental mandibulectomy for surgical debridement and simultaneous reconstruction with free fibula flap (1 patient exhibited bilateral lesions)...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29775553/influence-of-photobiomodulation-therapy-on-gingivitis-induced-by-multi-bracket-appliances-a-split-mouth-randomized-controlled-trial
#14
Steffen Stein, Michael Schauseil, Andreas Hellak, Heike Korbmacher-Steiner, Andreas Braun
OBJECTIVE: The objective of this split-mouth trial was to investigate the influence of photobiomodulation therapy (PBMT) on adjuvant treatment of gingivitis induced by multi-bracket appliances, after bracket debonding and professional tooth cleaning. MATERIALS AND METHODS: Thirteen patients (mean age 16.15 years; standard deviation ±2.12 years) who had completed active orthodontic treatment with fixed orthodontic appliances in an orthodontic clinic were included on a randomized basis...
May 18, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29774424/lingual-and-jaw-kinematic-abnormalities-precede-speech-and-swallowing-impairments-in-als
#15
Bridget J Perry, Rosemary Martino, Yana Yunusova, Emily K Plowman, Jordan R Green
Early identification of bulbar involvement in persons with ALS is critical for improving diagnosis and prognosis; however, efficacious diagnostic markers have not yet been identified. The purpose of this study was to determine whether kinematic changes of the tongue and jaw during swallowing, measured using 3D electromagnetic articulography (EMA), predate clinically identifiable symptoms of speech and swallowing impairment in persons diagnosed with ALS. Data were collected from 16 adults diagnosed with ALS and 18 neurotypical controls...
May 17, 2018: Dysphagia
https://www.readbyqxmd.com/read/29772691/periodontal-tissues-maxillary-jaw-bone-and-tooth-regeneration-approaches-from-animal-models-analyses-to-clinical-applications
#16
REVIEW
Fareeha Batool, Marion Strub, Catherine Petit, Isaac Maximiliano Bugueno, Fabien Bornert, François Clauss, Olivier Huck, Sabine Kuchler-Bopp, Nadia Benkirane-Jessel
This review encompasses different pre-clinical bioengineering approaches for periodontal tissues, maxillary jaw bone, and the entire tooth. Moreover, it sheds light on their potential clinical therapeutic applications in the field of regenerative medicine. Herein, the electrospinning method for the synthesis of polycaprolactone (PCL) membranes, that are capable of mimicking the extracellular matrix (ECM), has been described. Furthermore, their functionalization with cyclosporine A (CsA), bone morphogenetic protein-2 (BMP-2), or anti-inflammatory drugs' nanoreservoirs has been demonstrated to induce a localized and targeted action of these molecules after implantation in the maxillary jaw bone...
May 16, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29771300/evaluation-of-orthodontically-induced-external-root-resorption-following-orthodontic-treatment-using-cone-beam-computed-tomography-cbct-a-systematic-review-and-meta-analysis
#17
Aikaterini Samandara, Spyridon N Papageorgiou, Ioulia Ioannidou-Marathiotou, Smaragda Kavvadia-Tsatala, Moschos A Papadopoulos
Background: Orthodontically induced external root resorption (OIRR) is a pathologic consequence of orthodontic tooth movement. However, the limitations of two-dimensional radiography suggest that cone beam computed tomography (CBCT) with its three-dimensional capabilities might be more suitable to assess OIRR. Objective: The aim of this study was to assess in an evidence-based manner data on linear or volumetric OIRR measurements of permanent teeth by means of CBCT, during and/or after the end of orthodontic treatment...
May 15, 2018: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29769397/larval-thymectomy-of-xenopus-laevis
#18
Sara Mashoof, Breanna Breaux, Michael F Criscitiello
In jawed vertebrates from sharks to mammals, the thymus is the primary (or central) lymphoid tissue where T cells develop and mature. The particular stromal cell types, cytokine environment, and tissue organization in the thymus are essential for V(D)J recombination, positive selection for major histocompatibility complex recognition, and negative selection against self-peptide recognition of most αβ T cells. The thymectomy operation on Xenopus tadpole larva described here creates a T-cell-deficient model suitable for many immunology studies...
May 16, 2018: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/29765689/a-new-archaic-baleen-whale-toipahautea-waitaki-early-late-oligocene-new-zealand-and-the-origins-of-crown-mysticeti
#19
Cheng-Hsiu Tsai, R Ewan Fordyce
A new genus and species of extinct baleen whale † Toipahautea waitaki (Late Oligocene, New Zealand) is based on a skull and associated bones, from the lower Kokoamu Greensand, about 27.5 Ma (local upper Whaingaroan Stage, early Chattian). The upper jaw includes a thin, elongate and apparently toothless maxilla, with evidence of arterial supply for baleen. Open sutures with the premaxilla suggest a flexible (kinetic) upper jaw. The blowhole is well forward. The mandible is bowed laterally and slightly dorsally; unlike the Eomysticetidae, there are no mandibular alveoli, and the coronoid process is tapered and curved laterally...
April 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29765665/morphometric-assessment-of-pterosaur-jaw-disparity
#20
Charlie A Navarro, Elizabeth Martin-Silverstone, Thomas L Stubbs
Pterosaurs were a successful group of Mesozoic flying reptiles. They were the first vertebrate group to achieve powered flight and varied enormously in morphology and ecology, occupying a variety of niches and developing specialized feeding strategies. Ecomorphological principles suggest this variation should be reflected by great morphological diversity in the lower jaw, given that the mandible served as the primary apparatus for prey acquisition. Here we present the first study of mandibular shape disparity in pterosaurs and aim to characterize major aspects of variation...
April 2018: Royal Society Open Science
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