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chewing gum

Vinay V Kumar, Murali Srinivasan
OBJECTIVES: The aim of this split-mouth study was to evaluate the masticatory efficiency in patients with segmentally reconstructed mandibles using free fibula flaps, with and without stabilizing osteosynthesis material in-situ during implant placement for rehabilitation with implant-supported removable partial dental prostheses (ISRPDPs). METHODS: Ten participants (n = 10; ♀ = 2, ♂ = 8; mean age = 38.1 years) consented to participate in this study...
June 19, 2018: Clinical Oral Implants Research
Fabio Fiordaliso, Claudia Foray, Monica Salio, Mario Salmona, Luisa Diomede
There is growing concern about the presence of nanoparticles (NPs) in titanium dioxide (TiO2 ) as food additive (E171). To realistically estimate the number and the amount of TiO2 NPs ingested with food we applied a transmission electron microscopy method combined with inductively coupled plasma optical emission spectrometry. Different percentages of TiO2 NPs (6-18%) were detected in E171 from various suppliers. In the eight chewing gums analyzed as food prototypes, TiO2 NPs were absent in one sample and ranged 0...
June 7, 2018: Journal of Agricultural and Food Chemistry
Rahel M Büttler, Esra Bagci, Henk S Brand, Martin den Heijer, Marinus A Blankenstein, Annemieke C Heijboer
BACKGROUND: Recently, measurements of steroids like testosterone, androstenedione, cortisol and cortisone in saliva are more and more applied in diagnostics and scientific studies. This is mainly due to the simple and non-invasive collection of saliva. We aimed to evaluate the optimal way to collect saliva for steroid hormone measurement. METHODS: We investigated in twenty volunteers whether there is a difference between steroid hormone concentrations in unstimulated and stimulated saliva collected while chewing, using cotton and synthetic Salivettes®, citric acid or chewing gum...
June 1, 2018: Steroids
Namhoon Kim, Changkyu Kim, Soyoung Jung, Youngae Park, Youngju Lee, Juyeon Jo, Misun Hong, Sangmi Lee, Younghee Oh, Kweon Jung
Food-grade titanium dioxide (TiO2 ) is a common and widespread food additive in many processed foods, personal care products, and other industrial categories as it boosts the brightness and whiteness of colors. Although it is generally recognized as safe for humans, there is a growing interest in the health risks associated with its oral intake. This study quantified and identified TiO2 nanoparticles present in confectionery foods, which are children's favorite foods, with inductively coupled plasma optical emission spectrometry (ICP-OES) and transmission electron microscopy (TEM)...
May 30, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Kazuhiro Taniguchi, Hisashi Kondo, Toshiya Tanaka, Atsushi Nishikawa
Gastric cancer patients having undergone gastrectomy are at a high risk of becoming malnourished owing to decreased gastric function. To prevent malnutrition, patients need to thoroughly chew a mouthful of food at least 30 times. For these gastrectomy patients requiring dietary support, we developed a chewing-count measurement device named earable RCC using an earphone-type sensor. Experiments to evaluate the performance of this device were conducted on six healthy volunteers who participated in "gum-chewing tests" and "almond-eating tests...
2018: Journal of Healthcare Engineering
Camila Haddad Leal de Godoy, Lara Jansiski Motta, Washington Steagall Júnior, Marcela Leticia Leal Gonçalves, Daniela Fátima Teixeira da Silva, Raquel Agnelli Mesquita-Ferrari, Aldo Brugnera Júnior, Sandra Kalil Bussadori
OBJECTIVE: This is a randomized, sham-controlled, blind clinical trial that aimed to evaluate the effect of phototherapy on bite force, mandibular range of motion, sensitivity to palpation, and fatigue in the masseter and anterior temporal muscles of young patients when administered before the induction of fatigue. MATERIALS AND METHODS: Fifty-two healthy volunteers aged 18-23 years were randomly allocated to a laser group and sham group. Both groups were submitted to a clinical evaluation to record mandibular range of motion, bite force, muscle sensitivity to palpation, and muscle fatigue...
May 16, 2018: Photomedicine and Laser Surgery
Zhengwei Shao, Xiaojing Guo, Qian Zhang, Ewald M Bronkhorst, Derong Zou, Nico H J Creugers
OBJECTIVES: to assess associations amongst masticatory performance, dental functional status, and perceived chewing problems with common soft and hard foods. MATERIALS AND METHODS: 387 adult participants with reduced natural dentitions were included and underwent an oral examination, completed a written structured questionnaire and performed a two-color chewing gum test for masticatory efficiency. A multivariate regression model was used to analyze associations between masticatory efficiency and a number of dental conditions, with age, gender and perceived chewing difficulties as background variables...
May 10, 2018: Journal of Dentistry
Issei Saitoh, Emi Inada, Yasutaka Kaihara, Yukiko Nogami, Daisuke Murakami, Naoko Kubota, Kaoru Sakurai, Yoshito Shirazawa, Tadashi Sawami, Miyuki Goto, Maki Nosou, Katsuyuki Kozai, Haruaki Hayasaki, Youichi Yamasaki
OBJECTIVE: Mouth breathing syndrome (MBS) is defined as a set of signs and symptoms that may be completely or incompletely present in subjects who, for various reasons, replace the correct pattern of nasal breathing with an oral or mixed pattern. It is important to identify the relevant factors affecting MBS in order to diagnose its cause since breathing obstructions can result from multiple factors. The purpose of this study is to clarify the relevant factors and the interrelationships between factors affecting MBS among children...
March 26, 2018: Archives of Oral Biology
Manami Shirai, Nobuhiko Kawai, Natsuko Hichijo, Masahiko Watanabe, Hiroyo Mori, Silvia Naomi Mitsui, Akihiro Yasue, Eiji Tanaka
Development of the masticatory system is influenced by functional needs. Furthermore, masticatory exercise can improve masticatory function. The aim of this study was to evaluate the potential effect of the gum chewing exercise on the maximum bite force (MBF) in adult subjects with different facial morphologies. MBF was measured by a portable occlusal force gauge and lateral cephalogram was used for evaluation of craniofacial morphology in 19 individuals (7 males and 12 females) with a mean age of 25.4 years (SD ± 4...
April 2018: Clinical and Experimental Dental Research
Katherine R Keefe, Kevin J Byrne, Jessica R Levi
OBJECTIVES: Although tonsillectomy is a common and largely safe procedure, pain management in children remains a controversial topic. In addition to the challenge of choosing appropriate analgesia, there is often low parent and child adherence. This article presents a review, and evaluates the potential role, of a range of complementary and alternative therapies that may be sought out by parents. METHODS: A literature review of complementary and alternative interventions performed using PubMed, Cochrane Library, and EMBASE, supplemented by searches from Google and hand searches of cross-references of selected articles, yielded 32 studies for qualitative analysis...
May 4, 2018: Laryngoscope
Akio Tada, Hiroko Miura
BACKGROUND: A substantial number of adults suffer from obesity, that is caused by the risk factor, masticatory dysfunction. The association between mastication and obesity, however, is inconclusive. This systematic review aims to provide literature regarding the association between mastication and factors affecting masticatory function, and obesity in adults. METHODS: Four electronic databases (PubMed, EMBASE, Cochrane Library, and Web of Science) were used to search for publications that met the following criteria: published between 2007 and 2016, written in English, and assessed the associations between mastication and obesity among the population aged ≥18 years...
May 4, 2018: BMC Oral Health
Yuka Hamada, Takuma Yanaoka, Kyoko Kashiwabara, Kuran Kurata, Ryo Yamamoto, Susumu Kanno, Tomonori Ando, Masashi Miyashita
[Purpose] This study examined the effects of gum chewing while walking on physical and physiological functions. [Subjects and Methods] This study enrolled 46 male and female participants aged 21-69 years. In the experimental trial, participants walked at natural paces for 15 minutes while chewing two gum pellets after a 1-hour rest period. In the control trial, participants walked at natural paces for 15 minutes after ingesting powder containing the same ingredient, except the gum base, as the chewing gum...
April 2018: Journal of Physical Therapy Science
Mahdi Haghighatafshar, Reza Nowshad, Zahra Etemadi, Tahereh Ghaedian
BACKGROUND: Although, different methods have been suggested on reducing salivary gland radiation after radioiodine administration, an effective preventive or therapeutic measure is still debateful. To the best of our knowledge this is the second study that aimed to evaluate the effect of chewing-gum as a sialagogue on the radioiodine content of salivary gland, and radioiodine- induced symptoms of salivary gland dysfunction. METHODS: Twenty two patients who were referred to radioiodine therapy were randomized into chewing-gum (group A) and control (group B) groups...
April 26, 2018: Quarterly Journal of Nuclear Medicine and Molecular Imaging
Giacomo Lus, Roberto Cantello, Maura Chiara Danni, Agusto Rini, Paola Sarchielli, Tiziana Tassinari, Elisabetta Signoriello
AIM: Complaints about Δ9 -tetrahydrocannabinol (THC):cannabidiol (CBD) oromucosal spray (Sativex® ; GW Pharma Ltd, Salisbury, UK) in the management of multiple sclerosis spasticity include unpleasant taste and oral mucosal anomalies. This pilot study assessed the use of sugar-free chewing gum and/or a refrigerated bottle of THC:CBD oromucosal spray to mitigate these effects. MATERIALS & METHODS: Patients with multiple sclerosis spasticity (n = 52) at six sites in Italy who were receiving THC:CBD oromucosal spray and had associated oral mucosal effects were randomized into Group A (chewing gum; n = 15); Group B (cold bottle; n = 20); and Group C (cold bottle + chewing gum; n = 17)...
April 2018: Neurodegenerative Disease Management
Öznur Demir Oğuz, Duygu Ege
In this study, a novel injectable bone substitute (IBS) was prepared by incorporating a bioceramic powder in a polymeric solution comprising of methylcellulose (MC), gelatin and citric acid. Methylcellulose was utilized as the polymeric matrix due to its thermoresponsive properties and biocompatibility. 2.5 wt % gelatin and 3 wt % citric acid were added to the MC to adjust the rheological properties of the prepared IBS. Then, 0, 20, 30 and 50 wt % of the bioceramic component comprising tetracalcium phosphate/hydroxyapatite (TTCP/HA), dicalcium phosphate dehydrate (DCPD) and calcium sulfate dehydrate (CSD) were added into the prepared polymeric component...
April 14, 2018: Materials
Ibrahim K Ali, Kaustubh Sansare, Freny R Karjodkar
Bite marks on foodstuff at the crime scene provide a 3-dimensional imprint of the suspect's dentition. The bite mark analysis can provide useful evidences, leading to the inclusion or exclusion of the individual under investigation. This study was designed to assess bite marks on various common foodstuffs (chocolate, apple, chewing gum, cheese) for different time intervals using cone beam computed tomography (CBCT) to evaluate the dimensional changes in the foodstuffs. Analysis of variance test was used to compare the bite marks measured using CBCT in maxillary and mandibular arches with significance set at P < 0...
April 12, 2018: American Journal of Forensic Medicine and Pathology
Kadek Cahya Utami, Happy Hayati, Allenidekania
OBJECTIVE: This quasi-experimental study compared the effectiveness of chewing gum and gargling with a saline solution as two types of intervention to reduce oral mucositis scores. METHOD: The sample consisted of 44 children who were divided into two groups, one of which chewed gum, and the other gargled with a saline solution. The Mann-Whitney U test was used to analyze the data. RESULTS: There was a significant difference (p = 0.001) in post-intervention oral-mucositis scores...
February 2018: Enfermería Clínica
Yichen Meng, Tao Lin, Wei Shao, Heng Jiang, Tangbo Li, Rui Gao, Xuhui Zhou
PURPOSE: To evaluate the effectiveness of chewing gum on promoting bowel function recovery in adolescent idiopathic scoliosis patients undergoing surgical correction. MATERIALS AND METHODS: Adolescent idiopathic scoliosis patients scheduled for posterior spinal fusion surgery at our institution were randomized to either group 1 (chewing gum) or group 2 (control). The primary endpoints were time to flatus, time to bowel movement, length of hospital stay, and time to liquid or solid...
April 2018: Clinical Spine Surgery
Mayur K Ranchordas, George King, Mitchell Russell, Anthony Lynn, Mark Russell
The purpose of this study was to determine whether caffeinated gum influenced performance in a battery of soccer-specific tests used in the assessment of performance in soccer players. In a double blind, randomised, cross-over design, ten male university-standard soccer players (age 19 ± 1 y, stature 1.80 ± 0.10 m, body mass 75.5 ± 4.8 kg) masticated a caffeinated (200 mg; caffeine) or control (0 mg; placebo) gum on two separate occasions. After a standardised warm-up, gum was chewed for 5 min and subsequently expectorated 5 min before players performed a maximal countermovement jump, a 20 m sprint test and the Yo-Yo intermittent recovery test level 1 (Yo-YoIR1)...
March 27, 2018: International Journal of Sport Nutrition and Exercise Metabolism
Crystal L Grant, Alison M Coates, Jillian Dorrian, Gemma M Paech, Maja Pajcin, Chris Della Vedova, Kayla Johnson, Gary H Kamimori, Justin Fidock, Eugene Aidman, Siobhan Banks
Caffeine is known for its capacity to mitigate performance decrements. The metabolic side-effects are less well understood. This study examined the impact of cumulative caffeine doses on glucose metabolism, self-reported hunger and mood state during 50 hr of wakefulness. In a double-blind laboratory study, participants were assigned to caffeine (n = 9, 6M, age 21.3 ± 2.1 years; body mass index 21.9 ± 1.6 kg/m2 ) or placebo conditions (n = 8, 4M, age 23.0 ± 2.8 years; body mass index 21.8 ± 1...
March 27, 2018: Journal of Sleep Research
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