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oral sensory testing

Laura Laguna, Grace Farrell, Michael Bryant, Ardian Morina, Anwesha Sarkar
This study aims to investigate the relationship between rheological and tribological properties of commercial full fat and fat-free/low fat versions of liquid and soft solid colloidal systems (milk, yoghurt, soft cream cheese) with their sensory properties. Oscillatory measurements (strain, frequency), flow curves and tribological measurements (lubrication behaviour using Stribeck analysis) were conducted. Oral condition was mimicked using artificial saliva at 37 (○)C. Discrimination test was conducted by 63 untrained consumers, followed by a qualitative questionnaire...
September 22, 2016: Food & Function
F Costantinides, M Biasotto, M Maglione, R Di Lenarda
The choice of the anaesthetic modality is one of the primary steps during planning of third molar surgery. The aim of the present study was to compare the risk of developing neurological injures of the inferior alveolar nerve (IAN) and lingual nerve (LN) in patients treated for wisdom teeth removal under general anaesthesia (GA) with a group treated under local anaesthesia (LA). _Material and Methods: This is an observational retrospective, unicentric study; between September 2013 and September 2014, 534 patients underwent third molar surgery, 194 (36,3%) under GA and 340 (63,7%) under LA by the same oral surgeon...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
Shethal Bearelly, Steven W Cheung
Importance: Sensory function in the oral cavity and oropharynx is integral to effective deglutition and speech production. The main hurdle to evaluation of tactile consequences of upper aerodigestive tract diseases and treatments is access to a reliable clinical tool. We propose a rapid and reliable procedure to determine tactile thresholds using buckling monofilaments to advance care. Objective: To develop novel sensory testing monofilaments and map tactile thresholds of oral cavity and oropharyngeal structures...
September 29, 2016: JAMA Otolaryngology—Head & Neck Surgery
Jong-Yil Chai, Woon-Mok Sohn, Byoung-Kuk Na, Hoo-Gn Jeoung, Muth Sinuon, Duong Socheat
Stellantchasmus falcatus (Digenea: Heterophyidae) is first reported from Cambodia through recovery of the metacercariae from mullet fish and adult flukes from an experimentally infected hamster. We purchased 7 mullets, Chelon macrolepis, in a local market of Phnom Penh, Cambodia, and each of them was examined by the artificial digestion method on May 2010. The metacercariae of S. falcatus were detected in all mullets (100%) examined, and their average density was 177 per fish. They were elliptical, 220×168 μm in average size...
August 2016: Korean Journal of Parasitology
Ala I Sharara, Hamza Daroub, Camille Georges, Rani Shayto, Ralph Nader, Jean Chalhoub, Ammar Olabi
AIM: To evaluate the sensory characteristics of commercial bowel cleansing preparations. METHODS: Samples of 4 commercially available bowel cleansing preparations, namely polyethylene glycol electrolyte solution (PEG), PEG + ascorbic acid (PEG-Asc), sodium picosulfate (SPS), and oral sodium sulfate (OSS) were prepared according to the manufacturer's instructions. Descriptive analysis was conducted (n = 14) using a 15-cm line scale with the Compusense at-hand(®) sensory evaluation software...
August 10, 2016: World Journal of Gastrointestinal Endoscopy
Abhishek Kumar, Eduardo Castrillon, Mats Trulsson, Krister G Svensson, Peter Svensson
OBJECTIVE: The study was designed to investigate if alteration of different orofacial afferent inputs would have different effects on oral fine motor control and to test the hypothesis that reduced afferent inputs will increase the variability of bite force values and jaw muscle activity, and repeated training with splitting of food morsel in conditions with reduced afferent inputs would decrease the variability and lead to optimization of bite force values and jaw muscle activity. MATERIAL METHODS: Forty-five healthy volunteers participated in a single experimental session and were equally divided into incisal, mucosal, and block anesthesia groups...
August 27, 2016: Clinical Oral Investigations
Bruna Roggia, Valdete Alves Valentins Dos Santos, Bruna Correa, Ângela Garcia Rossi
PURPOSE: This study aims to evaluate the posture and body balance of students with and without oral breathing, as well as to verify whether there is a correlation between the values obtained in this evaluation and those of the analysis of sensory systems. METHODS: The research was conducted with school children aged 8 to 12 years. The sample was subdivided into two study groups: schoolchildren with oral breathing and school children without oral breathing (control)...
July 2016: CoDAS
Ichiro Okayasu, Osamu Komiyama, Takao Ayuse, Antoon De Laat
OBJECTIVE: The aim of the present study was to examine the effect of lidocaine application to the face, tongue and hand on sensory and pain thresholds of symptom-free subjects. DESIGN: Eighteen females (mean age 25.7 years, range 22-38) participated. Using Semmes-Weinstein monofilaments, the tactile detection threshold (TDT) and the filament-prick pain detection threshold (FPT) were measured on the cheek skin (CS), tongue tip (TT) and palm side of the thenar skin (TS)...
August 5, 2016: Archives of Oral Biology
Grazia Devigili, Sara Rinaldo, Christian Lettieri, Roberto Eleopra
INTRODUCTION: Peripheral neuropathy related to levodopa/carbidopa intestinal gel (LCIG) therapy for advanced Parkinson disease (PD) is under investigation and is debated in the literature. The purpose of the study was to detect whether small nerve fibers are damaged during LCIG infusion. METHODS: Five advanced PD patients were enrolled prior to starting LCIG infusion. Six PD patients on oral levodopa (LD) treatment and 6 PD patients naïve to LD were also enrolled...
August 12, 2016: Muscle & Nerve
Derek J Snyder, Linda M Bartoshuk
Oral sensations (i.e., taste, oral somatosensation, retronasal olfaction) are integrated into a composite sense of flavor, which guides dietary choices with long-term health impact. The nerves carrying this input are vulnerable to peripheral damage from multiple sources (e.g., otitis media, tonsillectomy, head injury), and this regional damage can boost sensations elsewhere in the mouth because of central interactions among nerve targets. Mutual inhibition governs this compensatory process, but individual differences lead to variation in whole-mouth outcomes: some individuals are unaffected, others experience severe loss, and some encounter sensory increases that may (if experienced early in life) elevate sweet-fat palatability and body mass...
June 2016: Reviews in Endocrine & Metabolic Disorders
Koichi Nakao, Michito Namekawa, Soichi Kondo, Sayaka Ono, Imaharu Nakano
A 73-year-old woman who had hypertension developed a slight fever and general malaise with laboratory-proven hepatic dysfunction as well as frequent syncopal attacks 3 months before admission to our hospital. One month later, she developed urinary retention and distal limb numbness. Upon admission, her neurological examination showed reduced limb tendon reflexes, glove and stocking-type numbness, and diminished senses of touch, temperature, pain, and distal leg vibration and position. Serum cytomegalovirus (CMV) IgM antibody and CMV IgG antibody were elevated on admission, and both decreased thereafter, confirming CMV infection...
August 31, 2016: Rinshō Shinkeigaku, Clinical Neurology
Ko Dezawa, Noboru Noma, Kosuke Watanabe, Yuka Sato, Ryutaro Kohashi, Morio Tonogi, Gary Heir, Eli Eliav, Yoshiki Imamura
We examined the short-term surgical effects of orthognathic surgery on somatosensory function. Observations were made over a short period: 3 months postoperatively. In total, 14 patients and 32 healthy controls participated. Among the 14 patients, one underwent bilateral sagittal split osteotomy alone and 13 underwent bilateral sagittal split osteotomy in combination with a Le Fort I osteotomy. A modified quantitative sensory testing (QST) protocol (the German Research Network on Neuropathic Pain, DFNS) was used to evaluate clinically the skin of the chin for sensory disturbances before surgery and at 1 week, 1 month, and 3 months postoperatively...
2016: Journal of Oral Science
M Förster, S Helfert, R Dierschke, M Großkopf, P Hüllemann, T Keller, R Baron, A Binder
OBJECTIVE: Tapentadol is effective in the treatment of neuropathic and nociceptive pain and in acute and chronic pain conditions; two mechanisms combining opioid µ-receptor agonism and noradrenergic reuptake inhibition underlie its analgesic effect. RESEARCH DESIGN AND METHODS: With this single-center, placebo-controlled, double-blind, cross-over pilot-study, we investigated the antihyperalgesic effect of a single oral dose of 100 mg immediate-release tapentadol on thermal and mechanical hyperalgesia in two human models (i...
September 2016: Expert Opinion on Pharmacotherapy
Jennifer M Stratford, John A Thompson, Thomas E Finger
Sensory inputs from the oropharynx terminate in both the trigeminal brainstem complex and the rostral part of the nucleus of the solitary tract (nTS). Taste information is conveyed via the facial and glossopharyngeal nerves while general mucosal innervation is carried by the trigeminal and glossopharyngeal nerves. In contrast, the caudal nTS receives general visceral information largely from the vagus nerve. Although the caudal nTS shows clear morphological and molecularly delimited subdivisions, the rostral part does not...
June 13, 2016: Journal of Comparative Neurology
Danaé S Larsen, Jingyuan Tang, Lynnette R Ferguson, Bryony J James
For the first time this study has shown a direct effect of food textural complexity on satiation. Independent of oral processing time, increasing the textural complexity of a food significantly decreased food intake. Foods with complex textures stimulate many sensory perceptions during oral processing, with a succession of textures perceived between first bite and swallow. Previously the impact of texture on satiation (commonly tested by increasing viscosities of semi-solids) has been explained by texture's influence on oral processing time; a long oral processing time enhances satiation...
October 1, 2016: Appetite
E Scarpellini, E Deloose, R Vos, I E J A Francois, J A Delcour, W F Broekaert, K Verbeke, J Tack
BACKGROUND: Intestinal microbiota regulates gastrointestinal sensory-motor function. Prebiotics such as arabinoxylan-oligosaccharide (AXOS) are non-digestible, fermentable food ingredients beneficially affecting intestinal microbiota, colon activity, and improving human health. We wanted to investigate whether acute AXOS or maltodextrin (placebo) administration may alter gastric sensitivity (GS), accommodation (GA), nutrient tolerance (NT) in man. METHODS: Thirteen HV (6 M, 32...
August 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
Jennifer X Li, Joost X Maier, Emily E Reid, Donald B Katz
UNLABELLED: Rats produce robust, highly distinctive orofacial rhythms in response to taste stimuli-responses that aid in the consumption of palatable tastes and the ejection of aversive tastes, and that are sourced in a multifunctional brainstem central pattern generator. Several pieces of indirect evidence suggest that primary gustatory cortex (GC) may be a part of a distributed forebrain circuit involved in the selection of particular consumption-related rhythms, although not in the production of individual mouth movements per se...
May 18, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Vasanthi Done, Ravichandrasekhar Kotha, Aron Arun Kumar Vasa, Suzan Sahana, Raghavendra Kumar Jadadoddi, Sushma Bezawada
INTRODUCTION: Most children are casual and moderately agreeable in the dental treatment environment, however some of them show practices that upset the professional and make the protected conveyance of worthy treatment extremely troublesome. For such cases dental practitioner utilizes behavior management techniques. At the point when behavioral administration procedures come up short, some type of pharmacologic sedation or anesthesia may be an important and vital option. Dental sedation is a strategy in which the utilization of a medication or drugs produce(s) a condition of depression of the central sensory system empowering treatment to be completed during which verbal contact with the patient is kept up all through the time of sedation...
April 2016: Journal of Clinical and Diagnostic Research: JCDR
Michael A Hawk, Glenn D Ritchie, Kim A Henderson, Katherine A B Knostman, Brian M Roche, Zhenxu J Ma, Claire M Matthews, Carol L Sabourin, Edward J Wakayama, Patrick J Sabourin
The Food and Drug Administration Animal Rule requires evaluation of cardiovascular and central nervous system (CNS) effects of new therapeutics. To characterize an adult and juvenile mouse model, neurobehavioral and cardiovascular effects and pathology of a single sublethal but toxic, 8 mg/kg, oral dose of potassium cyanide (KCN) for up to 41 days postdosing were investigated. This study describes the short- and long-term sensory, motor, cognitive, and behavioral changes associated with oral dosing of a sublethal but toxic dose of KCN utilizing functional observation battery and Tier II CNS testing in adult and juvenile mice of both sexes...
September 2016: International Journal of Toxicology
Magdalena N Muchlinski, Andrew S Deane
The mandibular nerve is a sensory and motor nerve that innervates the muscles of mastication, the lower dentition, and the lower lip and surrounding structures. Although this nerve contains both efferent and afferent fibers, the mental nerve, a terminal branch of the mandibular nerve, is a strictly sensory nerve that exits the mental foramen and innervates the lower lip, the skin overlaying the mandible, and the oral mucosa around the mandible. Osteological foramina are often used as proxies for nerve cross section area and they often correlate well with some aspect of a primate's ecology (e...
July 2016: Journal of Morphology
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