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https://www.readbyqxmd.com/read/27922188/oral-health-status-of-children-in-los-angeles-county-and-in-the-united-states-1999-2004
#1
Bruce A Dye, Clemencia M Vargas, Cheryl D Fryar, Francisco Ramos-Gomez, Robert Isman
OBJECTIVE: To ascertain and compare the oral health status and related sociodemographic risk indicators in children in Los Angeles (LA) County with children in the United States. METHODS: Data from the National Health and Nutrition Examination Survey (NHANES) 1999-2004 were used to calculate prevalence estimates for children aged 2-13 years living in LA County and in the United States. Sociodemographic indicators were evaluated using multiple logistic regression modeling...
December 6, 2016: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/27920314/medicaid-meets-its-equal-access-requirement-for-dental-care-but-oral-health-disparities-remain
#2
Jaffer A Shariff, Burton L Edelstein
Most US children today have public or private dental health insurance, yet oral health among publicly insured children remains a policy concern. We analyzed data for 2011-12 from the National Survey of Children's Health to compare oral health status and the use of dental care among publicly and privately insured children. After we adjusted for demographic and parent characteristics, we found no differences between the two groups in parent-reported use of dental care or unmet need for dental care. However, compared to parents of privately insured children, parents of publicly insured children were less likely to report that the condition of their child's teeth was excellent or very good and more likely to report that the child had had a dental problem in the past twelve months...
December 1, 2016: Health Affairs
https://www.readbyqxmd.com/read/27919226/molar-loss-and-powder-diet-leads-to-memory-deficit-and-modifies-the-mrna-expression-of-brain-derived-neurotrophic-factor-in-the-hippocampus-of-adult-mice
#3
Yosuke Takeda, Hiroshi Oue, Shinsuke Okada, Akira Kawano, Katsunori Koretake, Makoto Michikawa, Yasumasa Akagawa, Kazuhiro Tsuga
BACKGROUND: It is known that tooth loss is known to be a risk factor for Alzheimer's disease and soft diet feeding induces memory impairment. Recent studies have shown that brain-derived neurotrophic factor (BDNF) is associated with tooth loss or soft diet in young animal model, and that BDNF expression is decreased in patients with Alzheimer's disease. However, single or combined effect of tooth loss and/or soft diet on brain function has not fully understood. Here we examined the effect of molar loss and powder diet on memory ability and the expression of BDNF mRNA in the hippocampus of adult C57BL/6J mice...
December 5, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27918905/dental-age-estimation-of-children-and-adolescents-validation-of-the-maltese-reference-data-set
#4
Hani Alsaffar, Waleed Elshehawi, Graham Roberts, Victoria Lucas, Fraser McDonald, Simon Camilleri
The purpose of this study was to validate a Reference Data Set, developed from the radiographic archives of the Dental Department, Mater Dei Hospital, Malta, for Dental Age Estimation of the Maltese population and to assess the accuracy of the method. Dental Panoramic Tomograms of 100 male and 100 females were selected. Tooth Development Stages were recorded for all 16 permanent teeth on the left and both third molars on the right. Summary and percentile data were calculated for each Tooth Development Stage and the Dental Age of each subject estimated using the unweighted average method...
November 28, 2016: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27917512/a-re-audit-of-the-technical-quality-of-undergraduate-root-canal-treatment-after-the-introduction-of-new-technology-and-teaching-practices
#5
A Donnelly, D Coffey, H F Duncan
AIM: To revaluate through re-audit the technical quality of undergraduate non-surgical root canal treatment (RCTx) in a dental teaching hospital as a result of recommended changes to teaching practices. METHODOLOGY: The technical quality of undergraduate RCTx was evaluated radiographically after educational changes and the mandatory introduction of new technologies (nickel-titanium files, apex locators, greater-taper gutta-percha points) in 182 root canals. Evaluation was based on 4 criteria; presence of voids, root canal filling termination (0-2mm of radiographic apex), all roots filled and the prepared canal contained the original anatomy...
December 5, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27917509/effect-of-solvents-on-apically-extruded-debris-and-irrigant-during-root-canal-retreatment-using-reciprocating-instruments
#6
C Keskin, E Sariyilmaz, O Sariyilmaz
AIM: To evaluate the effect of several solvents on the weight of apically extruded debris and irrigant during retreatment using a novel agar gel model. METHODS: Orange oil, turpentine oil and chloroform were used as solvents. Eighty single straight rooted extracted human mandibular premolar teeth with a single root canal were divided into four groups (n=20). All specimens were root canal filled and weighed prior to their insertion I a prepared 1.5% agar gel model...
December 5, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27917053/description-of-a-new-species-of-parotocinclus-siluriformes-hypoptopomatinae-from-the-rio-tapaj%C3%A3-s-basin
#7
Fábio F Roxo, Gabriel S C Silva, Claudio Oliveira
A new species of Parotocinclus is described from three small tributaries of the rio Tapajós basin, Mato Grosso State, Brazil. The new species can be distinguished from its congeners by presenting the following characters: (1) a triangular dark blotch at the anterior base of the dorsal fin, (2) the absence of an adipose fin but presence of one small platelet at typical adipose-fin region, (3) the abdomen completely covered by dermal plates, (4) a pectoral girdle totally exposed, (5) a single series of bicuspid teeth, and (6) the higher number of bicuspid premaxillary and dentary teeth...
2016: ZooKeys
https://www.readbyqxmd.com/read/27916472/generation-of-neural-cells-using-ipscs-from-sleep-bruxism-patients-with-5-ht2a-polymorphism
#8
Yurie Hoashi, Satoshi Okamoto, Yuka Abe, Takashi Matsumoto, Junichi Tanaka, Yuya Yoshida, Kent Imaizumi, Kenji Mishima, Wado Akamatsu, Hideyuki Okano, Kazuyoshi Baba
PURPOSE: Sleep bruxism (SB) is classified as a sleep-related movement disorder characterized by grinding and clenching of the teeth during sleep, which is responsible for a variety of clinical problems such as abnormal tooth attrition and fracture of teeth or roots. Little is known about the etiology of SB. Our previous study identified a genomic association of the serotonin 2A receptor (5-HT2A) single nucleotide polymorphism (SNP), rs6313 C>T, with SB, where the C allele carrier is associated with a 4...
December 1, 2016: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/27916252/knowledge-of-managing-avulsed-tooth-among-general-dental-practitioners-in-malaysia
#9
Dalia Abdullah, Suet Yeo Soo, Shalini Kanagasingam
BACKGROUND: Dental and maxillofacial injuries are one of the areas of concern highlighted in the Malaysian National Oral Health Plan 2011-2020. General dental practitioners (GDPs) have the responsibility of diagnosing and assessing dental trauma and determining the prognosis and outcomes of trauma along with its management. The purpose of this study was to evaluate the knowledge base and preferred methods of general dental practitioners regarding the management of avulsed tooth. METHODS: A random convenient sampling methodology was employed for sample selection...
December 2016: Singapore Dental Journal
https://www.readbyqxmd.com/read/27916251/differences-in-willingness-to-pay-for-an-extraction-a-filling-and-cleaning-teeth-at-various-levels-of-oral-health-related-quality-of-life-as-measured-by-oral-impacts-on-daily-performance-among-older-adults-in-singapore
#10
Rahul Nair, Robert Yee
OBJECTIVE: To examine the differences in Willingness to pay (WTP) for an extraction, a filling, and cleaning of teeth among older adults with varying levels of Oral Health-related Quality of Life (OHQoL). BACKGROUND: OHQoL has been used extensively to measure utilities as reported by individuals of interest. Currently there are no reports that examine the WTP of individuals at various levels of OHQoL. METHODS: A convenience sample of adults 60 years or older were recruited...
December 2016: Singapore Dental Journal
https://www.readbyqxmd.com/read/27914668/three-dimensional-finite-element-analysis-of-implant-assisted-removable-partial-dentures
#11
Ju-Won Eom, Young-Jun Lim, Myung-Joo Kim, Ho-Beom Kwon
STATEMENT OF PROBLEM: Whether the implant abutment in implant-assisted removable partial dentures (IARPDs) functions as a natural removable partial denture (RPD) tooth abutment is unknown. PURPOSE: The purpose of this 3-dimensional finite element study was to analyze the biomechanical behavior of implant crown, bone, RPD, and IARPD. MATERIAL AND METHODS: Finite element models of the partial maxilla, teeth, and prostheses were generated on the basis of a patient's computed tomographic data...
November 30, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27914550/evaluation-of-macroscopic-changes-and-the-efficiency-of-dna-profiling-from-burnt-teeth
#12
Joe Adserias Garriga, Douglas H Ubelaker, Sara C Zapico
Identification of human remains subjected to incineration is extremely challenging. Our study evaluates the macroscopic changes and efficiency of DNA profiling in burnt teeth under controlled temperature and time conditions. 28 teeth were exposed to temperatures between 100 and 700°C for a duration of 1-15min. Two non-burnt teeth were used as control. Macroscopic changes were evaluated and recorded. DNA was extracted using a silica-based methodology. Efficiency of DNA profiling was assessed through Quantitative PCR for STRs...
December 2016: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/27914227/removal-of-supernumerary-teeth-utilizing-a-computer-aided-design-computer-aided-manufacturing-surgical-guide
#13
Chanwoo Jo, Doohwan Bae, Byungho Choi, Jihun Kim
Supernumerary teeth need to be removed because they can cause various complications. Caution is needed because their removal can cause damage to permanent teeth or tooth germs in the local vicinity. Surgical guides have recently been used in maxillofacial surgery. Because surgical guides are designed through preoperative analysis by computer-aided design software and fabricated using a 3-dimensional printer applying computer-aided manufacturing technology, they increase the accuracy and predictability of surgery...
November 12, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27912819/endodontic-treatment-outcomes
#14
REVIEW
Nadia Chugal, Sanjay M Mallya, Bill Kahler, Louis M Lin
The primary goal of conventional endodontic treatment is prevention and/or elimination of apical periodontitis for both mature permanent teeth and immature teeth with an open apex. Besides these goals, the objectives of endodontic treatment of immature teeth include preservation of pulp vitality and often further root maturation. Robust criteria for outcome assessment are an essential determinant for any measure of treatment success for both mature and immature teeth.
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27912815/regenerative-endodontics-by-cell-homing
#15
REVIEW
Ling He, Juan Zhong, Qimei Gong, Bin Cheng, Sahng G Kim, Junqi Ling, Jeremy J Mao
Apical revascularization (AR) and platelet-rich plasma have been used to restore dental pulp vitality in infected immature permanent teeth. Two regenerative therapies are cell transplantation and cell homing. This article updates and benchmarks these therapies with cell homing. A case report concluded that AR increased root length; however, quantitative and statistical assessments disproved this. Regenerative endodontic therapies require prospective clinical trials demonstrating safety and efficacy. These therapies are intrinsically susceptible to procedural and patient variations...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27912813/regenerative-endodontic-procedures-clinical-outcomes
#16
REVIEW
Anibal Diogenes, Nikita B Ruparel
Immature teeth are at risk for pulp necrosis, resulting in arrested root development and poor long-term prognosis. There is growing evidence that regenerative endodontic procedures promote desirable clinical outcomes. Despite significant advances in the field of regenerative endodontics and acceptable clinical outcomes, current evidence suggests that the tissues formed following currently used procedures do not completely recapitulate the former pulp-dentin complex. Further research is needed to identify prognostic factors and predictors of successful outcomes and to develop different treatment strategies to better predictably achieve all identified clinical outcomes, while favoring tissue formation that more closely resembles the pulp-dentin complex...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27909894/antimicrobial-photodynamic-therapy-vs-local-minocycline-in-addition-to-non-surgical-therapy-of-deep-periodontal-pockets-a-controlled-randomized-clinical-trial
#17
Laura Tabenski, Daniel Moder, Fabian Cieplik, Frederike Schenke, Karl-Anton Hiller, Wolfgang Buchalla, Gottfried Schmalz, Michael Christgau
OBJECTIVES: To investigate the additional influence of either antimicrobial photodynamic therapy (aPDT; Helbo® Photodynamic Systems) or local application of minocycline microspheres (MC; Arestin, OraPharma) on clinical and microbiological healing results in deep periodontal pockets (PPD ≥6 mm) following non-surgical periodontal therapy (SRP). MATERIALS AND METHODS: Forty-five patients with chronic periodontitis were evaluated: test group aPDT + SRP (n = 15), positive control group MC + SRP (n = 15), and negative control group SRP-alone (n = 15)...
December 1, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27909758/release-of-fluoride-from-orthodontic-adhesives-and-penetration-into-enamel
#18
Panita Suebsureekul, Smorntree Viteporn
OBJECTIVE: The purpose of this work was to compare fluoride release from three orthodontic adhesives and fluoride penetration into the enamel surface. MATERIALS AND METHODS: A total of 156 extracted human premolar teeth were randomly assigned to three experimental groups and one control group (without bonding) with 39 teeth per group. Brackets were bonded to teeth using Fuji Ortho LC(®), Illuminate(®), or Light Bond(®). The amount of fluoride released (ppm) into artificial saliva was measured by a fluoride ion-selective electrode connected to an ion analyzer on days 1, 3, 7, and 30...
December 1, 2016: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/27908555/dental-pathology-of-the-hoary-marmot-marmota-caligata-groundhog-marmota-monax-and-alaska-marmot-marmota-broweri
#19
J N Winer, B Arzi, D M Leale, P H Kass, F J M Verstraete
Museum specimens (maxillae and mandibles) of the three marmot species occurring in Alaska (Marmota caligata [n = 108 specimens], Marmota monax [n = 30] and Marmota broweri [n = 24]) were examined macroscopically according to predefined criteria. There were 71 specimens (43.8%) from female animals, 69 (42.6%) from male animals and 22 (13.6%) from animals of unknown sex. The ages of animals ranged from neonatal to adult, with 121 young adults (74.4%) and 41 adults (25.3%) included, and 168 excluded from study due to neonatal/juvenile age or incompleteness of specimens (missing part of the dentition)...
November 28, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27908460/influence-of-oral-hygiene-and-its-interaction-with-standard-of-education-on-the-risk-of-oral-cancer-in-women-who-neither-smoked-nor-drank-alcohol-a-hospital-based-case-control-study
#20
F Chen, B-C He, L-J Yan, Y Qiu, L-S Lin, L Cai
We know of only limited data about the role of oral hygiene and the risk of oral cancer with different standards of education. The aim of this study was to assess the association between oral hygiene and risk of oral cancer, with stratification by standard of education, in Chinese women. We organised a case-control study with 250 women with oral cancer and 996 age-matched controls in Fujian, China. Data were collected by personal interview using a structured questionnaire. We used unconditional logistic regression with stratification by educational standard to estimate the odds ratios (OR) and 95% CI...
November 28, 2016: British Journal of Oral & Maxillofacial Surgery
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