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MOUTHGUARDS,

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https://www.readbyqxmd.com/read/28747597/antimicrobial-activity-of-ethylene-vinyl-acetate-containing-bioactive-filler-against-oral-bacteria
#1
Kosuke Nagai, Hisanori Domon, Masataka Oda, Tomoe Shirai, Tatsuya Ohsumi, Yutaka Terao, Yoshiaki Arai
We developed an ethylene vinyl acetate (EVA) containing surface pre-reacted glass-ionomer (S-PRG) filler, as a new mouthguard material for preventing intraoral bacterial infection. We examined its physical properties, antimicrobial activity against a major cariogenic bacterium Streptococcus mutans and a periodontopathogen Porphyromonas gingivalis, and its cytotoxicity toward human gingival epithelial cells. S-PRG filler was added to EVA copolymer at 5, 10, 20, or 40 wt% and was processed into disc-shaped test specimens...
July 26, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28731548/oral-lacerations-during-motocross-a-case-report
#2
Shunsuke Hino, Akio Takeda, Takahiro Kaneko, Norio Horie, Tetsuo Shimoyama
Motocross is a high-risk sport that can cause serious injuries including oral injuries. However, mouthguard use is not mandatory in motocross. This report describes a case of an oral laceration with exposure of bilateral inferior alveolar nerves as a result of a motocross accident in which the patient was not wearing a mouthguard. This article is protected by copyright. All rights reserved.
July 21, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28711375/the-prevalence-of-orodental-trauma-during-epileptic-seizures-in-terms-of-dental-treatment-survey-study
#3
Dominika Gawlak, Joanna Łuniewska, Wiktoria Stojak, Anahit Hovhannisyan, Anna Stróżyńska, Katarzyna Mańka-Malara, Marcin Adamiec, Andrzej Rysz
INTRODUCTION: Epilepsy is one of the most common neurological disorders. Seizures that occur during attacks may lead to head injuries. It is crucial to establish proper prophylactic management against trauma occurrence, as nowadays prevention is not sufficient. AIM: Assessment of the frequency of head and intraoral trauma during epileptic seizures and to evaluate factors that may predispose to injuries. MATERIAL AND METHODS: The questionnaire was carried out among 106 patients with epilepsy...
June 29, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28685557/the-use-of-chlorhexidine-in-mouthguards
#4
S D Ercole, M Tieri, D Fulco, D Martinelli, D Tripodi
Sports mouthguards have the potential to become a microbial reservoir, to produce oral and systemic diseases and cause changes in environmental oral factors, inhibiting the protective effect of saliva. The aim of this study was to monitor, in vivo, oral environmental changes caused by chlorhexidine and sports mouthguards and in vitro, the effects of microbial strains, saliva and chlorhexidine on Ethylene-Vinyl-Acetate (EVA) material. Seventy-two athletes were analyzed at different time points: before training session (T0), post-training (TA), post-training with mouthguard (TB), post-training with mouthguard and chlorhexidine (TC)...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28668098/the-role-of-mouthguards-in-preventing-and-reducing-sports-related-trauma
#5
James Ij Green
a mouthguard, also known as a gumshield, mouth protector or sports guard is an appliance that covers the teeth and surrounding mucosa with the aim of preventing or reducing trauma to the teeth, gingival tissue, lips and jaws. The device is usually worn on the maxillary arch and works by separating the maxillary and mandibular dentition, protecting the teeth from the surrounding soft tissue, absorbing or redistributing shock and/or stabilising the mandible during traumatic jaw closure. They may also play a role in preventing and reducing concussion by absorbing impact forces that would otherwise be transmitted through the base of the skull to the brain, although the evidence for this is less conclusive...
May 1, 2017: Primary Dental Journal
https://www.readbyqxmd.com/read/28642567/mouthguard-use-may-reduce-dentofacial-injuries-in-field-hockey-players
#6
Kelvin I Afrashtehfar, Jason Chung
Data sourcesPubMed, Embase, OvidSP, Web of Science, Cochrane and CINAHL databases were searched up to February 2015 with no language restrictions.Study selectionTwo review authors independently assessed tiles and abstracts of the retrieved case-control, cohorts and cross-sectional studies. For the studies to have been included in the meta-analysis, they must have included the total number of hockey players reporting at least one dentofacial injury, the total number of these injuries compared with other types of injuries and quantitative data on characteristics of dentofacial injuries...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28552930/a-comparison-of-impact-force-reduction-by-polymer-materials-used-for-mouthguard-fabrication
#7
Dominika Gawlak, Katarzyna Mańka-Malara, Elżbieta Mierzwińska-Nastalska, Roman Gieleta, Tomasz Kamiński, Magdalena Łuniewska
PURPOSE: The essential function of mouthguards is protection against the effects of injuries sustained during sports activities. This purpose will be successfully achieved if appropriate materials ensuring sufficient reduction of the injury force are used for mouthguard fabrication. OBJECTIVE: The objective of the study was to investigate the force reduction capability of selected materials as well as to identify which material reduces the impact force to the highest degree...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/28538314/do-neuromuscular-dentistry-designed-mouthguards-enhance-dynamic-movement-ability-in-competitive-athletes
#8
Joshua A Cotter, Steve T Jamison, Sarah A Schloemer, Ajit M W Chaudhari
Cotter, JA, Jamison, ST, Schloemer, SA, and Chaudhari, AMW. Do neuromuscular dentistry-designed mouthguards enhance dynamic movement ability in competitive athletes? J Strength Cond Res 31(6): 1627-1635, 2017-The purpose of this study was to examine the effect of a neuromuscular dentistry-designed mouthguard (NMDD) on dynamic movement ability. Forty-two competitive athletes (8 women, 21.9 ± 2.9 years, 66.8 ± 18.8 kg, 1.68 ± 0.11 m; 34 men, 22.8 ± 4.8 years, 77.4 ± 12.7 kg, 1.78 ± 0.08 m) with greater than 2 years' experience in their designated sport were enrolled in the study...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28502097/oral-health-related-quality-of-life-and-risk-factors-associated-with-traumatic-dental-injuries-in-brazilian-children-a-multilevel-approach
#9
Rafael Aiello Bomfim, Daniel Rodrigo Herrera, Alessandro Diogo De-Carli
Among the diseases related to oral health, such as caries and oral cancer, dental trauma stands out as one of the major public health problems worldwide. The aim of this study was to verify the occurrence of factors associated with traumatic dental injuries (TDI), including oral health-related quality of life (OHRQoL), sociodemographic characteristics, untreated caries, occlusal problems, and contextual variables in 12-year-old Brazilian children METHODS: This study assessed a complex sample of the National Research in Oral Health (SBbrasil 2010) data on 7240 twelve-year-old children and contextual features of the municipalities where they lived RESULTS: TDI prevalence in 12-year-old schoolchildren was 23...
May 14, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28497943/the-effects-of-over-the-counter-jaw-repositioning-mouthguards-on-aerobic-performance
#10
Devon L Golem, Patrick M Davitt, Shawn M Arent
BACKGROUND: Though jaw-repositioning devices have been found to increase size of upper respiratory airways in individuals, the effects of jaw-repositioning mouthguards on respiratory function during exercise have not been fully explored. The purpose of this study is to determine the effects of over-the-counter (OTC) jaw-repositioning mouthguards on respiratory function and aerobic performance in male athletes. METHODS: College-aged, male athletes (N.=20) participated in this randomized, crossover, controlled study...
June 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28437512/dentist-practice-patterns-and-therapeutic-confidence-in-the-treatment-of-pain-related-to-temporomandibular-disorders-in-a-dental-practice-based-research-network
#11
Naoki Kakudate, Yoko Yokoyama, Futoshi Sumida, Yuki Matsumoto, Valeria V Gordan, Gregg H Gilbert, Ana M Velly, Eric L Schiffman
AIMS: To quantify the practice patterns of Japanese dentists in the management of pain related to temporomandibular disorders (TMD) and to identify specific characteristics that are significantly associated with the decision to perform occlusal adjustment for TMD-related pain. METHODS: A cross-sectional study was conducted consisting of a questionnaire survey of dentists affiliated with the Dental Practice-Based Research Network Japan (JDPBRN) (n = 148). Participants were asked how they diagnosed and treated TMD-related pain...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28428580/a-review-of-mouthguards-effectiveness-types-characteristics-and-indications-for-use
#12
K Parker, B Marlow, N Patel, D S Gill
Participation in sport carries an increased risk of sustaining dental trauma which can be reduced by the use of a mouthguard. Mouthguards work by dissipating the force of impact, thus reducing the force which is transferred to the dentition. There are different types of mouthguard available which vary in design, costs and the level of protection provided. This article aims to review the use of mouthguards in sport, the common barriers to their use and also the different types of mouthguards and their characteristics...
April 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28376278/dental-trauma-prevention-with-mouthguard-in-a-nose-fracturing-blow-to-the-face-case-report-and-literature-review
#13
Ivan Onone Gialain, Solange Kobayashi-Velasco, Celso Luiz Caldeira, Marcelo Gusmão Paraíso Cavalcanti
Orofacial injuries are common in sports activities and may vary in complexity and the tissues involved. Most sports-related trauma occurs when a player hits another player, an object or the ground. This report presents a case of an injury caused by a punch-like blow to the face during a handball college team practice session. The patient suffered a traumatic blow to the left side of the nose and mouth and promptly attended a dentist. After a clinical examination and a CBCT scan, the following injuries were diagnosed: upper lip laceration, upper left lateral incisor subluxation and anterior nasal spine fracture...
April 4, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28301714/formation-of-vacuum-formed-and-pressure-formed-mouthguards
#14
Fumi Mizuhashi, Kaoru Koide
BACKGROUND/AIM: The method used to form mouthguards should be carefully selected in order to obtain their full preventive benefits. The aim of this study was to examine the differences of mouthguard characteristics according to the forming methods. MATERIALS AND METHODS: Mouthguard sheets of 3.8-mm ethylene vinyl acetate were vacuum-formed and pressure-formed on a working model. The sheets were formed when heating causing them to displace 15 mm from baseline. Mouthguard thickness was measured at the labial surface of the central incisor, the buccal surface of the first molar, and the occlusal surface of the first molar...
March 16, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28296061/influence-of-continuous-use-of-a-vacuum-forming-machine-for-mouthguard-thickness-after-thermoforming
#15
Mutsumi Takahashi, Yoshiaki Araie, Yoshihide Satoh, Shin-Ichi Iwasaki
Mouthguards can reduce the risk of sports-related injuries such as tooth fracture or avulsion, but the sheet material and thickness have a large effect on their efficacy and safety. The aim of this study was to investigate the effect of the continuous use of a vacuum-forming machine on mouthguard thickness MATERIALS AND METHODS: Ethylene vinyl acetate sheets and olefin copolymer sheets were used for thermoforming with a vacuum-forming machine. The working model was trimmed to a height of 23 mm at the maxillary central incisor and 20 mm at maxillary first molar...
March 15, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28294184/crystallization-and-hardening-of-poly-ethylene-co-vinyl-acetate-mouthguards-during-routine-use
#16
Ryoko Kuwahara, Ryotaro Tomita, Natsumi Ogawa, Kazunori Nakajima, Tomotaka Takeda, Hiroki Uehara, Takeshi Yamanobe
Mouthguards (MGs) made from poly(ethylene-co-vinyl acetate) (EVA) are widely used in contact sports to prevent injuries such as breaking teeth and lip lacerations and to reduce brain concussion. However, the changes in morphology and the molecular mobility of EVA, which can affect its physical properties during practical usage, have not been precisely examined. Therefore, we attempted to determine the main factors which lead to changes in MG performance after one season of practical use by high school rugby players...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28268724/development-of-a-head-impact-monitoring-intelligent-mouthguard
#17
Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov
The authors present the development and laboratory system-level testing of an impact monitoring "Intelligent Mouthguard" intended to help with identification of potentially concussive head impacts and cumulative head impact dosage. The goal of Intelligent Mouthguard is to provide an indicator of potential concussion risk, and help caregiver identify athletes needing sideline concussion protocol testing. Intelligent Mouthguard may also help identify individuals who are at higher risk based on historical dosage...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28254746/what-strategies-can-be-used-to-effectively-reduce-the-risk-of-concussion-in-sport-a-systematic-review
#18
REVIEW
Carolyn A Emery, Amanda M Black, Ash Kolstad, German Martinez, Alberto Nettel-Aguirre, Lars Engebretsen, Karen Johnston, James Kissick, David Maddocks, Charles Tator, Mark Aubry, Jiří Dvořák, Shinji Nagahiro, Kathryn Schneider
AIM OR OBJECTIVE: To examine the effectiveness of concussion prevention strategies in reducing concussion risk in sport. DESIGN: Systematic review according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines. DATA SOURCES: Eleven electronic databases searched and hand-search of references from selected studies. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: The following were the study inclusion criteria: (1) contained original human research data; (2) investigated an outcome of concussion or head impact; (3) evaluated a concussion prevention intervention; (4) included sport participants; (5) analytical study designand (6) peer-reviewed...
June 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28231638/comparison-of-the-shock-absorption-capacities-of-different-mouthguards
#19
Melina Simonetta Bochnig, Min-Jung Oh, Theresa Nagel, Fred Ziegler, Paul-Georg Jost-Brinkmann
BACKGROUND/AIMS: In this in vitro study, the protective qualities of different mouthguard types were examined during small hard object collisions. The aim was to investigate inconclusive aspects of hard inserts, nylon nets, and air spaces as reinforcements in the anterior region and the protection qualities of ethylene vinyl acetate (EVA). MATERIALS AND METHODS: Five different mouthguards with a labial thickness between 2 mm and 11 mm made of materials of varying stiffness were investigated...
February 23, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28226912/development-of-a-head-impact-monitoring-intelligent-mouthguard
#20
Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov, Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov, Adam J Bartsch, Paul L Gibson, Sergey Samorezov, Daniel S Hedin
The authors present the development and laboratory system-level testing of an impact monitoring "Intelligent Mouthguard" intended to help with identification of potentially concussive head impacts and cumulative head impact dosage. The goal of Intelligent Mouthguard is to provide an indicator of potential concussion risk, and help caregiver identify athletes needing sideline concussion protocol testing. Intelligent Mouthguard may also help identify individuals who are at higher risk based on historical dosage...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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