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https://www.readbyqxmd.com/read/29130554/sensory-recovery-of-myomucosal-flap-oral-cavity-reconstructions
#1
Olindo Massarelli, Luigi Angelo Vaira, Andrea Biglio, Roberta Gobbi, Giovanni Dell'aversana Orabona, Giacomo De Riu
BACKGROUND: Sensory restoration of the oral cavity is a primary aim of reconstructive surgery in posttraumatic or postablative defects. Sensitivity plays a key role in oral function, whose impairment strongly affects the patient's quality of life. Cheek myomucosal flaps provide a reliable and tissue-like reconstruction of these regions but their sensitive recovery, which we still know little about, deserves thorough assessment. METHODS: In this retrospective study, the myomucosal cheek flaps were tested for different aspects of sensory recovery: touch; 2-point discrimination; pain; sharp/smooth discrimination; ability to feel hot/cold stimulus; stereognosis; and taste...
November 11, 2017: Head & Neck
https://www.readbyqxmd.com/read/29064764/evaluation-of-oral-stereognosis-in-relation-to-tactile-ability-and-patient-satisfaction
#2
Ikbal Leblebicioglu Kurtulus, Kerem Kilic, Ravza Eraslan, Damla Unlu, Ahmet Caliskan, Bulent Kesim, Stephan Eitner
We investigated the oral stereognostic ability of dentate individuals, conventional complete denture patients, and maxillary implant-supported denture patients with bar attachments. Stereognosis tests were carried out and the relationship between oral stereognostic ability and patient satisfaction was assessed with a satisfaction survey; Turkish version of oral health impact profile-14 (OHIP-TR-14). To compare differences in oral sensory function among individuals with natural dentition, complete denture wearers, and maxillary implant-supported denture wearers, tactile awareness (thickness perception threshold) and pressure awareness (threshold of lateral loading) were assessed...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29053658/low-level-laser-therapy-for-treatment-of-neurosensory-disorders-after-orthognathic-surgery-a-systematic-review-of-randomized-clinical-trials
#3
M-A-V Bittencourt, L-R Paranhos, P-R-S Martins-Filho
BACKGROUND: Low-level laser has been widely used in Dentistry and many studies have focused on its application in oral surgeries. This study was conducted with the aim of searching for scientific evidence concerning the effectiveness of laser to reduce pain or paresthesia related to orthognathic surgery. MATERIAL AND METHODS: An electronic search was performed in PubMed, Scopus, Science Direct, LILACS, SciELO, CENTRAL, Google Scholar, OpenGrey, and ClinicalTrials...
November 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29042446/clinical-and-metabolic-consequences-of-l-serine-supplementation-in-hereditary-sensory-and-autonomic-neuropathy-type-1c
#4
Mari Auranen, Jussi Toppila, Saranya Suriyanarayanan, Museer A Lone, Anders Paetau, Henna Tyynismaa, Thorsten Hornemann, Emil Ylikallio
Hereditary sensory neuropathy type 1 (HSAN1) may be the first genetic neuropathy amenable to a specific mechanism-based treatment, as L-serine supplementation can be used to lower the neurotoxic levels of 1-deoxysphingolipids (1-deoxySL) that cause the neurodegeneration. The treatment is so far untested in HSAN1C caused by variants in the serine palmitoyl transferase subunit 2 (SPTLC2) gene. The aim of this study was to establish whether oral L-serine lowers 1-deoxySL in a patient with HSAN1C, to perform a dose escalation to find the minimal effective dose, and to assess the safety profile and global metabolic effects of the treatment...
October 17, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/29024230/%C3%AE-aminobutyric-acid-gaba-oral-rinse-reduces-capsaicin-induced-burning-mouth-pain-sensation-an-experimental-quantitative-sensory-testing-study-in-healthy-subjects
#5
Y Zhang, K Wang, L Arendt-Nielsen, B E Cairns
BACKGROUND: In burning mouth patients, analgesia after oral administration of clonazepam may result from modulation of peripheral γ-aminobutyric acid (GABA) receptors. METHODS: The effect of oral administration of test solutions (water, 0.5 mol/L or 0.05 mol/L GABA, 1% lidocaine) was investigated for the amelioration of pain and sensitivity induced by application of capsaicin (1%, 2 min) to the tongue of thirty healthy male and female subjects in this four-session, randomized, placebo-controlled, double-blinded, cross-over study...
October 11, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29023304/association-of-insulin-and-cholesterol-levels-with-peripheral-nervous-system-function-in-overweight-adults-a-3-year-follow-up
#6
Henri Isojärvi, Sirkka Keinänen-Kiukaanniemi, Mika Kallio, Kaisu Kaikkonen, Timo Jämsä, Juha Korpelainen, Raija Korpelainen
PURPOSE: The purpose of this prospective 3-year follow-up was to investigate the association of glucose, insulin, and cholesterol levels with peripheral nervous system function in overweight and obese subjects. METHODS: Forty nondiabetic overweight and obese adults were enrolled, of whom 29 completed the follow-up. Peripheral nervous system function was measured and defined by conduction studies of the peroneal motor nerve and the radial, sural, and medial plantar sensory nerves...
October 10, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28994815/in-vitro-characterization-of-the-electrophysiological-properties-of-colonic-afferent-fibers-in-rats
#7
Youqiang Meng, Li Dong, Biying Sun, Ping Luo, Guohua Zhang, Weifang Rong
Dysfunction of the colonic sensory nerves has been implicated in the pathophysiology of several common conditions, including functional and inflammatory bowel diseases and diabetes. Here, we describe a protocol for the in vitro characterization of the electrophysiological properties of colonic afferents in rats. The colorectum, with the intact pelvic ganglion (PG) attached, is removed from the rat; superfused with carbogenated Krebs solution in the recording chamber; and cannulated at the oral and anal ends to allow for distension...
September 27, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28967223/human-capability-in-the-perception-of-extensional-and-shear-viscosity
#8
Zhihong Lv, Jianshe Chen, Melvin Holmes
Shear and extensional deformation are two basic rheological phenomena which occur commonly in our daily life. Because of the very different nature of the two deformations, fluid materials may exhibit significant differences in their responses to shear and extensional forces. This work investigated the human perception of shear and extensional viscosity and tested the hypothesis that human have different discriminatory sensation mechanisms including scaling to the two deformations. A series of fluid samples were prepared using two common food thickeners, guar gum and sodium carboxylmethylcellulose (CMC-Na)...
October 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28939430/do-non-nutritive-sweeteners-influence-acute-glucose-homeostasis-in-humans-a-systematic-review
#9
REVIEW
Robin M Tucker, Sze-Yen Tan
The human body associates sensory cues with metabolic consequences. Exposure to sweet-tasting sugars - even in the absence of ingestion - triggers physiological responses that are associated with carbohydrate digestion, absorption and metabolism. These responses include the release of insulin and incretin hormones, which work to reduce blood glucose. For this reason, non-nutritive sweeteners (NNS) have been posited to trigger similar physiological responses and reduce postprandial blood glucose concentrations...
December 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28929829/quantitative-sensory-testing-for-assessment-of-somatosensory-function-in-human-oral-mucosa-a-review
#10
Pin Zhou, Yaming Chen, Jinglu Zhang, Kelun Wang, Peter Svensson
OBJECTIVE: This narrative review provides an overview of the quantitative sensory testing (QST) to assess somatosensory function in human oral mucosa. MATERIAL AND METHODS: A literature search was conducted in the PubMed database to identify studies in vivo on human oral mucosa using QST methods. A list of 149 articles was obtained and screened. A total of 36 relevant articles remained and were read in full text. Manual search of the reference lists identified eight additional relevant studies...
September 20, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28929244/analyzing-polymeric-matrix-for-fabrication-of-a-biodegradable-microneedle-array-to-enhance-transdermal-delivery
#11
Kuo-Yuan Hwa, Vincent H S Chang, Yao-Yi Cheng, Yue-Da Wang, Pey-Shynan Jan, Boopathi Subramani, Min-Ju Wu, Bo-Kai Wang
Traditional drug delivery systems, using invasive, transdermal, and oral routes, are limited by various factors, such as the digestive system environment, skin protection, and sensory nerve stimulation. To improve the drug delivery system, we fabricated a polysaccharide-based, dissolvable microneedle-based array, which combines the advantages of both invasive and transdermal delivery systems, and promises to be an innovative solution for minimally invasive drug delivery. In this study, we designed a reusable aluminum mold that greatly improved the efficiency and convenience of microneedle fabrication...
September 19, 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28899680/the-cephalic-phase-insulin-response-to-nutritive-and-low-calorie-sweeteners-in-solid-and-beverage-form
#12
Jaapna Dhillon, Janice Y Lee, Richard D Mattes
The purpose of the study was to examine the role of the cephalic phase insulin response (CPIR) following exposure to nutritive and low-calorie sweeteners in solid and beverage form in overweight and obese adults. In addition, the role of learning on the CPIR to nutritive and low-calorie sweetener exposure was tested. Sixty-four overweight and obese adults (age: 18-50years, BMI: 24-37kg/m(2), body fat percentage>25% for men and >32% for women) were sham-fed (at 2-minute intervals for 14min) a randomly assigned test load comprised of a nutritive (sucrose) or low-calorie sweetener (sucralose) in beverage or solid form in phase 1 of the study...
November 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28865394/clinical-measures-of-balance-in-people-with-type-two-diabetes-a-systematic-literature-review
#13
REVIEW
C J Dixon, T Knight, E Binns, B Ihaka, D O'Brien
Approximately 422 million people have diabetes mellitus worldwide, with the majority diagnosed with type 2 diabetes mellitus (T2DM). The complications of diabetes mellitus include diabetic peripheral neuropathy (DPN) and retinopathy, both of which can lead to balance impairments. Balance assessment is therefore an integral component of the clinical assessment of a person with T2DM. Although there are a variety of balance measures available, it is uncertain which measures are the most appropriate for this population...
October 2017: Gait & Posture
https://www.readbyqxmd.com/read/28860992/rewarding-effects-of-operant-dry-licking-behavior-on-neuronal-firing-in-the-nucleus-accumbens-core
#14
Enrico Patrono, Jumpei Matsumoto, Hiroshi Nishimaru, Yusaku Takamura, Ikhruud C Chinzorig, Taketoshi Ono, Hisao Nishijo
Certain eating behaviors are characterized by a trend of elevated food consumption. However, neural mechanisms mediating the motivation for food consumption are not fully understood. Food impacts the brain-rewarding-system via both oral-sensory and post-ingestive information. Recent studies have reported an important role of visceral gut information in mediating dopamine (DA) release in the brain rewarding system. This is independent of oral sensation, suggesting a role of the gut-brain-DA-axis in feeding behavior...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28856690/the-transcription-factor-phox2b-distinguishes-between-oral-and-non-oral-sensory-neurons-in-the-geniculate-ganglion
#15
Lisa Ohman-Gault, Tao Huang, Robin Krimm
Many basic characteristics of gustatory neurons remain unknown, partly due to the absence of specific markers. Some neurons in the geniculate ganglion project to taste regions in the oral cavity, whereas others innervate the outer ear. We hypothesized that the transcription factor Phox2b would identify oral cavity-projecting neurons in the geniculate ganglion. To test this possibility, we characterized mice in which Phox2b-Cre mediated gene recombination labeled neurons with tdTomato. Nerve labeling revealed that all taste neurons projecting through the chorda tympani (27%) and greater superficial petrosal nerves (15%) expressed Phox2b during development, whereas non-oral somatosensory neurons (58%) in the geniculate ganglion did not...
December 15, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28839378/a-novel-quantitative-prediction-approach-for-astringency-level-of-herbs-based-on-an-electronic-tongue
#16
Xue Han, Hong Jiang, Dingkun Zhang, Yingying Zhang, Xi Xiong, Jiaojiao Jiao, Runchun Xu, Ming Yang, Li Han, Junzhi Lin
BACKGROUND: The current astringency evaluation for herbs has become dissatisfied with the requirement of pharmaceutical process. It needed a new method to accurately assess astringency. METHODS: First, quinine, sucrose, citric acid, sodium chloride, monosodium glutamate, and tannic acid (TA) were analyzed by electronic tongue (e-tongue) to determine the approximate region of astringency in partial least square (PLS) map. Second, different concentrations of TA were detected to define the standard curve of astringency...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28811549/diagnosing-peri-implant-disease-using-the-tongue-as-a-24-7-detector
#17
J Ritzer, T Lühmann, C Rode, M Pein-Hackelbusch, I Immohr, U Schedler, T Thiele, S Stübinger, B V Rechenberg, J Waser-Althaus, F Schlottig, M Merli, H Dawe, M Karpíšek, R Wyrwa, M Schnabelrauch, L Meinel
Our ability of screening broad communities for clinically asymptomatic diseases critically drives population health. Sensory chewing gums are presented targeting the tongue as 24/7 detector allowing diagnosis by "anyone, anywhere, anytime". The chewing gum contains peptide sensors consisting of a protease cleavable linker in between a bitter substance and a microparticle. Matrix metalloproteinases in the oral cavity, as upregulated in peri-implant disease, specifically target the protease cleavable linker while chewing the gum, thereby generating bitterness for detection by the tongue...
August 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28796325/temporal-texture-profile-and-identification-of-glass-transition-temperature-as-an-instrumental-predictor-of-stickiness-in-a-caramel-system
#18
Emily J Mayhew, Shelly J Schmidt, Pascal Schlich, Soo-Yeun Lee
Stickiness is an important texture attribute in many food systems, but its meaning can vary by person, product, and throughout mastication. This variability and complexity makes it difficult to devise analytical tests that accurately and consistently predict sensory stickiness. Glass transition temperature (Tg ) is a promising candidate for texture prediction. Our objective is to elucidate the temporal profile of stickiness in order to probe the relationship between Tg and dynamic stickiness perception. Nine caramel samples with diverse texture and thermal profiles were produced for sensory testing and differential scanning calorimetry...
August 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28738104/psychosocial-profiles-of-temporomandibular-disorder-pain-patients-proposal-of-a-new-approach-to-present-complex-data
#19
Simple Futarmal Kothari, Lene Baad-Hansen, Peter Svensson
AIMS: To propose a visual method to screen and assess psychosocial functioning in temporomandibular disorder (TMD) pain patients in comparison with age- and gender-matched healthy controls by forming individual profiles and to evaluate the association between psychosocial profiles and quantitative sensory testing (QST) findings of TMD pain patients. METHODS: TMD patients (n = 58) and control participants (n = 41) completed a set of questionnaires profiling their psychosocial function, and QST was performed at the temporomandibular joint (TMJ) on both sides of the face in all participants...
July 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28728082/oral-infections-comorbidities-and-sensory-evidences-in-elderly-cross-sectional-study
#20
Nathalia Santos Viana Silva, Luciana Alvarenga da Silva, Omar Jaluul, Wilson Jacob-Filho, Silvia Regina Dowgan Tesseroli de Siqueira
BACKGROUND: Oral infections affect the general health and overlap with chronic diseases due to infectious-immune mechanisms. On the other side, sensory abnormalities may be symptoms of this association. OBJECTIVE: To evaluate the prevalence of oral infections, comorbidities, health parameters and sensory abnormalities in elderly patients. METHODS: Thirty (30) elderly with mean age 70.4 yo, distributed according to ages were evaluated with a protocol that included demographics, comorbidities, medications, laboratory tests, blood pressure, heart rate, mini-mental state examination, clinical oral evaluation and systematized sensory testing (gustative, olfactory, thermal, mechanical and pain thresholds)...
July 1, 2017: Archives of Gerontology and Geriatrics
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