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https://www.readbyqxmd.com/read/27924596/methods-to-study-antagonistic-activities-among-oral-bacteria
#1
Fengxia Qi, Jens Kreth
Most bacteria in nature exist in multispecies communities known as biofilms. In the natural habitat where resources (nutrient, space, etc.) are usually limited, individual species must compete or collaborate with other neighboring species in order to perpetuate in the multispecies community. The human oral cavity is colonized by >700 microbial species known as the indigenous microbiota. This indigenous flora normally maintains an ecological balance through antagonistic as well as mutualistic interspecies interactions...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27920312/dental-care-and-medicare-beneficiaries-access-gaps-cost-burdens-and-policy-options
#2
Amber Willink, Cathy Schoen, Karen Davis
Despite the wealth of evidence that oral health is related to physical health, Medicare explicitly excludes dental care from coverage, leaving beneficiaries at risk for tooth decay and periodontal disease and exposed to high out-of-pocket spending. To profile these risks, we examined access to dental care across income groups and types of insurance coverage in 2012. High-income beneficiaries were almost three times as likely to have received dental care in the previous twelve months, compared to low-income beneficiaries-74 percent of whom received no dental care...
December 1, 2016: Health Affairs
https://www.readbyqxmd.com/read/27920308/expanded-scopes-of-practice-for-dental-hygienists-associated-with-improved-oral-health-outcomes-for-adults
#3
Margaret Langelier, Tracey Continelli, Jean Moore, Bridget Baker, Simona Surdu
Dental hygienists are important members of the oral health care team, providing preventive and prophylactic services and oral health education. However, scope-of-practice parameters in some states limit their ability to provide needed services effectively. In 2001 we developed the Dental Hygiene Professional Practice Index, a numerical tool to measure the state-level professional practice environment for dental hygienists. We used the index to score state-level scopes of practice in all fifty states and the District of Columbia in 2001 and 2014...
December 1, 2016: Health Affairs
https://www.readbyqxmd.com/read/27913659/formative-research-using-a-community-based-participatory-research-approach-to-develop-an-oral-health-intervention-for-migrant-mexican-families
#4
Tracy L Finlayson, Padideh Asgari, Lisa Hoffman, Ana Palomo-Zerfas, Martha Gonzalez, Nannette Stamm, Maria-Isabel Rocha, Arcela Nunez-Alvarez
Oral health is a leading unmet health need among migrant families. This article describes the 1-year, community-based participatory research (CBPR) approach employed to plan and develop a Líder Communitario (lay community health worker)-led educational intervention for Mexican migrant adult caregivers and their families in three underserved, remote communities in North San Diego County, California. Four partner organizations collaborated, reviewed existing oral health curricula, and sought extensive input on educational topics and research design from key informants, migrant caregivers, and Líderes Communitarios...
December 1, 2016: Health Promotion Practice
https://www.readbyqxmd.com/read/27907861/in-situ-time-lapse-study-of-extracellular-polymeric-substance-discharge-in-streptococcus-mutans-biofilm
#5
Bernard Haochih Liu, Li-Chieh Yu
Streptococcus mutans is one of the main pathogens that cause tooth decay. By metabolizing carbohydrates, S. mutans emits extracellular polymeric substance (EPS) that adheres to the tooth surface and forms layers of biofilm. Periodontal disease occurs due to the low pH environment created by S. mutans biofilm, and such an acidic environment gradually erodes tooth enamel. Since the existence of EPS is essential in the formation of biofilm, the in-situ investigation of its generation and distribution in real time is the key to the control and suppression of S...
November 24, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27904519/mind-conduct-disorders-in-children-with-poor-oral-hygiene-habits-and-attention-deficit-hyperactivity-disorder-in-children-with-excessive-tooth-decay
#6
Onur Burak Dursun, Fatih Şengül, İbrahim Selçuk Esin, Tevfik Demirci, Nermin Yücel, Mehmet Melih Ömezli
INTRODUCTION: Dental caries and poor oral hygiene are among the major childhood public health problems. Although dental research frequently refers to the link between these conditions and behavioural issues, little attention has been paid to understanding the reason for oral health problems from a psychiatric point of view. The aim of this study was to examine the relationship between poor oral health and hygiene and parental attitudes towards child rearing, parents' and children's oral hygiene behaviours, and childhood psychiatric disorders...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27898021/salivary-microbiome-diversity-in-caries-free-and-caries-affected-children
#7
Shan Jiang, Xiaoli Gao, Lijian Jin, Edward C M Lo
Dental caries (tooth decay) is an infectious disease. Its etiology is not fully understood from the microbiological perspective. This study characterizes the diversity of microbial flora in the saliva of children with and without dental caries. Children (3-4 years old) with caries (n = 20) and without caries (n = 20) were recruited. Unstimulated saliva (2 mL) was collected from each child and the total microbial genomic DNA was extracted. DNA amplicons of the V3-V4 hypervariable region of the bacterial 16S rRNA gene were generated and subjected to Illumina Miseq sequencing...
November 25, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27892627/withdrawn-pulp-management-for-caries-in-adults-maintaining-pulp-vitality
#8
REVIEW
Hiroshi Miyashita, Helen V Worthington, Alison Qualtrough, Alphons Plasschaert
BACKGROUND: There is a range of treatment options for the management of the pulp in extensively decayed teeth. These include direct and indirect pulp capping, pulpotomy or pulpectomy. If the tooth is symptomatic or if there are periapical bone changes, then endodontic treatment is required. However, if the tooth is asymptomatic but the caries is extensive, there is no consensus as to the best method of management. In addition, there has been a recent move towards using alternative materials and methods such as the direct or indirect placement of bonding agents and mineral trioxide aggregate...
November 28, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27886272/can-long-term-dentine-bonding-created-in-real-life-be-forecasted-by-parameters-established-in-the-laboratory
#9
Heleine M C Rêgo, Thaís S Alves, Eduardo Bresciani, Li-Na Niu, Franklin R Tay, César R Pucci
Tooth-coloured plastic dental fillings secured by adhesives to tooth structures are widely used to fix decayed teeth. Whereas laboratory tests demonstrate rapid deterioration of the ability of the adhesives to stick to dentine, clinical studies show that these fillings are relatively durable. This discrepancy suggests that the parameters used for simulating bond degradation in the laboratory setting do not correlate well with clinical outcomes. The present study examined the long-term tensile bond strength of resin composite fillings performed in real life and under different laboratory-simulated bonding conditions to identify parameters that may be used to forecast the durability of adhesive bonds created in dentine...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27874179/association-between-chewing-difficulty-and-symptoms-of-depression-in-adults-results-from-the-korea-national-health-and-nutrition-examination-survey
#10
Hye-Sun Shin, Yong-Soon Ahn, Do-Seon Lim
OBJECTIVES: To assess the association between chewing difficulty and symptoms of depression in a representative sample of the Korean population. DESIGN: Cross-sectional. SETTING: Korea National Health and Nutrition Examination Survey (KNHANES). PARTICIPANTS: KNHANES participants (N = 5,158). MEASUREMENTS: Chewing difficulty was assessed according to the self-reported presence of chewing problems using a structured questionnaire...
November 22, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27846621/unstimulated-saliva-related-caries-risk-factors-in-individuals-with-cystic-fibrosis-a-cross-sectional-analysis-of-unstimulated-salivary-flow-ph-and-buffering-capacity
#11
Alaa A Alkhateeb, Lloyd A Mancl, Richard B Presland, Marilynn L Rothen, Donald L Chi
Salivary flow rate, pH, and buffering capacity are associated with dental caries, but studies from the cystic fibrosis (CF) literature are inconclusive regarding these salivary factors and caries. The aim of this study was to evaluate these factors and their associations with dental caries in individuals with CF. Unstimulated whole saliva was collected from individuals aged 6-20 years at Seattle Children's Hospital CF Clinic, USA (n = 83). Salivary flow rate was measured in milliliters per minute. Salivary pH was assessed using a laboratory pH meter...
November 16, 2016: Caries Research
https://www.readbyqxmd.com/read/27834298/birth-weight-breastfeeding-maternal-smoking-and-caries-trajectories
#12
E Bernabé, H MacRitchie, C Longbottom, N B Pitts, W Sabbah
Evidence for the effects of low birth weight, breastfeeding and maternal smoking on childhood caries is mainly cross-sectional. We examined the association of these 3 putative early life factors with caries increment over a 4-y period among young children. We used data from a 4-y longitudinal caries-risk assessment study carried out among Scottish children. Early life factors were measured when children were aged 1 y (baseline). Caries assessment was repeated annually from ages 1 to 4, and the number of decayed, missing and filled primary tooth surfaces (dmfs) were used as a repeated outcome measure...
November 9, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27825838/the-relationship-between-oral-health-and-oral-health-related-quality-of-life-among-elderly-people-in-united-kingdom
#13
Mohd Masood, Tim Newton, Noor Nazahiah Bakri, Taimur Khalid, Yaghma Masood
OBJECTIVES: To identify the determinants of OHRQoL among older people in the United Kingdom. METHODS: A subset of elderly (≥65year) participants from the UK Adult Dental Health Survey 2009 data was used. OHRQoL was assessed by means of the OHIP-14 additive score. The number of missing teeth; presence of active caries, dental pain, root caries, tooth wear, periodontal pockets>4mm, loss of attachment>9mm; having PUFA>0 (presence of severely decayed teeth with visible pulpal involvement, ulceration caused by dislocated tooth fragments, fistula and abscess); and wearing a denture were used as predictor variables...
November 4, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27822359/dental-reform-in-israel-s-national-health-insurance-law-has-helped-children-and-their-families-but-what-s-next
#14
EDITORIAL
Carlos Quiñonez
Through a nationally-representative survey of 6 year-old children, Natapov, Sasson and Zusman demonstrate that the 2010 dental reform to the National Health Insurance Law (NHIL) has helped to improve the oral health of children in Israel. While the prevalence of dental caries (tooth decay) in Israel's children has remained relatively stable over time, compared to previous surveys, children now have more treated than untreated disease, suggesting that the NHIL reform has increased utilization and access to dental care, and arguably improved the quality of life of children and their families...
2016: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/27813196/transition-from-being-ok-to-not-ok-with-tooth-loss-among-a-selection-of-older-people-in-iran-a-qualitative-study
#15
Shahin Dezhdar, Najmeh Fereidoonpoor, Ehsan Mostaghni, Faezeh Jahanpour, Maryam Ravanipour
BACKGROUND: Several studies have covered oral health and dental decay in old age, but these studies mostly applied standard quantitative tools and did not include consideration of older people's views on oral problems, partial edentulism in particular. OBJECTIVE: To explore people's perceptions in terms of the transition from being OK to NOT OK with tooth loss among a selection of older people in Iran. MATERIALS AND METHODS: A qualitative content analysis study was chosen for the research by interviewing 15 older people using open-ended questions...
November 4, 2016: Gerodontology
https://www.readbyqxmd.com/read/27807470/a-bayesian-hierarchical-spatial-model-for-dental-caries-assessment-using-non-gaussian-markov-random-fields
#16
Ick Hoon Jin, Ying Yuan, Dipankar Bandyopadhyay
Research in dental caries generates data with two levels of hierarchy: that of a tooth overall and that of the different surfaces of the tooth. The outcomes often exhibit spatial referencing among neighboring teeth and surfaces, i.e., the disease status of a tooth or surface might be influenced by the status of a set of proximal teeth/surfaces. Assessments of dental caries (tooth decay) at the tooth level yield binary outcomes indicating the presence/absence of teeth, and trinary outcomes at the surface level indicating healthy, decayed, or filled surfaces...
2016: Annals of Applied Statistics
https://www.readbyqxmd.com/read/27794706/oral-health-for-adults-in-care-homes
#17
Erin Dean
Essential facts It is estimated that 80% of the 400,000-plus adults in UK care homes have dementia. More than half of older people in care homes have tooth decay, compared with 40% of over-75s and 33% of over-85s in other accommodation. Care home residents are likely to have fewer teeth, and not have enough teeth to eat or socialise comfortably.
September 7, 2016: Nursing Standard
https://www.readbyqxmd.com/read/27784241/a-review-on-the-pharmacology-and-toxicology-of-steviol-glycosides-extracted-from-stevia-rebaudiana
#18
Amir Abbas Momtazi-Borojeni, Seyed-Alireza Esmaeili, Elham Abdollahi, Amirhossein Sahebkar
Stevia rebaudiana Bertoni is a sweet and nutrient-rich plant belonging to the Asteraceae family. Stevia leaves contain steviol glycosides including stevioside, rebaudioside (A to F), steviolbioside, and isosteviol, which are responsible for the plant's sweet taste, and have commercial value all over the world as a sugar substitute in foods, beverages and medicines. Among the various steviol glycosides, stevioside, rebaudioside A and rebaudioside C are the major metabolites and these compounds are on average 250-300 times sweeter than sucrose...
October 21, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27764075/vital-signs-dental-sealant-use-and-untreated-tooth-decay-among-u-s-school-aged-children
#19
Susan O Griffin, Liang Wei, Barbara F Gooch, Katherine Weno, Lorena Espinoza
BACKGROUND: Tooth decay is one of the greatest unmet treatment needs among children. Pain and suffering associated with untreated dental disease can lead to problems with eating, speaking, and learning. School-based dental sealant programs (SBSP) deliver a highly effective intervention to prevent tooth decay in children who might not receive regular dental care. SBSPs benefits exceed their costs when they target children at high risk for tooth decay. METHODS: CDC used data from the National Health and Nutrition Examination Survey (NHANES) 2011-2014 to estimate current prevalences of sealant use and untreated tooth decay among low-income (≤185% of federal poverty level) and higher-income children aged 6-11 years and compared these estimates with 1999-2004 NHANES data...
October 21, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27763439/inequalities-in-tooth-decay-in-australian-children-by-neighbourhood-characteristics-and-indigenous-status
#20
Ratilal Lalloo, Lisa M Jamieson, Diep Ha, Liana Luzzi
OBJECTIVE: Tooth decay is related to poverty, measured at individual and neighbourhood levels. It is however uncertain if living in an advantaged neighbourhood reduces tooth decay similarly in Australian Indigenous and non-Indigenous children. METHODS: This study describes tooth decay by neighbourhood characteristics and Indigenous status, and examines inequalities by Indigenous status. RESULTS: In deciduous dentition the percentage of children with tooth decay and untreated decay decreased on average 26% and 20% respectively in the non-Indigenous sample from poor to affluent neighbourhoods...
2016: Journal of Health Care for the Poor and Underserved
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