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https://www.readbyqxmd.com/read/28103260/friendship-network-and-dental-brushing-behavior-among-middle-school-students-an-agent-based-modeling-approach
#1
Maryam Sadeghipour, Mohammad Hossein Khoshnevisan, Afshin Jafari, Seyed Peyman Shariatpanahi
By using a standard questionnaire, the level of dental brushing frequency was assessed among 201 adolescent female middle school students in Tehran. The initial assessment was repeated after 5 months, in order to observe the dynamics in dental health behavior level. Logistic Regression model was used to evaluate the correlation among individuals' dental health behavior in their social network. A significant correlation on dental brushing habits was detected among groups of friends. This correlation was further spread over the network within the 5 months period...
2017: PloS One
https://www.readbyqxmd.com/read/28100415/a-10-year-trend-of-dental-treatments-under-general-anesthesia-of-children-in-taipei-veterans-general-hospital
#2
Yung-Pan Chen, Chun-Yi Hsieh, Wen-Ting Hsu, Fu-Ya Wu, Wen-Yu Shih
BACKGROUND: General anesthesia (GA) as a pediatric dental procedure is a well-established method of behavior management. However, studies of pediatric dentistry under GA have mostly focused on handicapped patients, and various retrospective studies in Taiwan have mainly reviewed only a limited number of years. The purpose of the present study was to report trends in pediatric dental treatment performed under GA over the past 10 years. METHODS: A retrospective review of the hospital records of patients receiving dental treatment under GA from 2006 until 2015 was performed...
January 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28098169/ifn-%C3%AE-regulates-human-dental-pulp-stem-cells-behavior-via-nf-%C3%AE%C2%BAb-and-mapk-signaling
#3
Xinyao He, Wenkai Jiang, Zhirong Luo, Tiejun Qu, Zhihua Wang, Ningning Liu, Yaqing Zhang, Paul R Cooper, Wenxi He
During caries, dental pulp expresses a range of pro-inflammatory cytokines in response to the infectious challenge. Interferon gamma (IFN-γ) is a dimerized soluble cytokine, which is critical for immune responses. Previous study has demonstrated that IFN-γ at relative high concentration (100 ng/mL) treatment improved the impaired dentinogenic and immunosuppressive regulatory functions of disease-derived dental pulp stem cells (DPSCs). However, little is known about the regulatory effects of IFN-γ at relative low concentration on healthy DPSC behavior (including proliferation, migration, and multiple-potential differentiation)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093024/reliability-and-validity-of-the-turkish-version-of-the-rapid-estimate-of-adult-literacy-in-dentistry-treald-30
#4
Kadriye Peker, Taha Emre Köse, Beliz Güray, Ömer Uysal, Tamer Lütfi Erdem
OBJECTIVE: To culturally adapt the Turkish version of Rapid Estimate of Adult Literacy in Dentistry (TREALD-30) for Turkish-speaking adult dental patients and to evaluate its psychometric properties. MATERIAL AND METHODS: After translation and cross-cultural adaptation, TREALD-30 was tested in a sample of 127 adult patients who attended a dental school clinic in Istanbul. Data were collected through clinical examinations and self-completed questionnaires, including TREALD-30, the Oral Health Impact Profile (OHIP), the Rapid Estimate of Adult Literacy in Medicine (REALM), two health literacy screening questions, and socio-behavioral characteristics...
January 16, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28081481/fatigue-limits-of-different-peek-materials-for-dental-implants
#5
Andreas Dominik Schwitalla, Tycho Zimmermann, Tobias Spintig, Ilona Kallage, Wolf-Dieter Müller
The increasing use of PEEK (poly-ether-ether-ketone) as a substitute for metal implant components has led to the suggestion that it could also be used as an alternative to titanium in the field of dental implants. A major requirement for dental implant materials is their resistance to cyclic loading due to mastication. A special fatigue test was designed to evaluate the elastic behavior and long-term form stability of cylindrically shaped PEEK specimens of 4, 5 and 6mm in diameter, using 11 different PEEK materials of various grades: unfilled, filled with titanium dioxide or barium sulfate powder, reinforced with short carbon fibers or short glass fibers, and reinforced with continuous carbon fibers...
December 23, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28073074/tribocorrosion-behavior-of-bio-functionalized-highly-porous-titanium
#6
F Toptan, A C Alves, A M P Pinto, P Ponthiaux
Titanium and its alloys are widely used in orthopedic and dental implants, however, some major clinical concerns such as poor wear resistance, lack of bioactivity, and bone resorption due to stress shielding are yet to be overcome. In order to improve these drawbacks, highly porous Ti samples having functionalized surfaces were developed by powder metallurgy with space holder technique followed by anodic treatment. Tribocorrosion tests were performed in 9g/L NaCl solution using a unidirectional pin-on-disc tribometer under 3N normal load, 1Hz frequency and 4mm track diameter...
January 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28052213/children-s-responses-to-sensory-stimuli-and-their-behavior-in-the-dental-office
#7
Sagit Nissan, Aviva Yochman, Sigalit Blumer, Johnny Kharouba, Benjamin Peretz
OBJECTIVES: To evaluate children's behavior during dental examinations, their reactions to various selected sensory stimuli and the association between them. STUDY DESIGN: Sixty-three children (28 boys and 35 girls) aged 5-12 years (mean age 7.9 ± 1.6 years) participated in the study. Their parents were asked to complete a questionnaire while in the dentist's waiting room. The dentists evaluated the children's behavior in the dental office using Frankl's behavioral scale and noted the children's reactions to the sensory stimuli of touch, noise, smell and backward tilting of the examination chair...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28050986/influence-of-television-advertising-on-behavior-of-children-across-socioeconomic-backgrounds
#8
Rachana Bahuguna, Atul Jain, Divya Suryavanshi, Hemlata Chauhan, Suleiman A Khan, Ruchi Thakur
INTRODUCTION: This research analyzed the influence of television on the behavior of children belonging to urban and rural socioeconomic backgrounds of Bhopal city and its vicinity. MATERIALS AND METHODS: About 400 parents with children between 1 and 18 years of age were subjected to a self-designed questionnaire, which sought information regarding the television viewing habits of children. Differences in responses were noted between the subjects of urban and rural areas...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28050314/biocompatibility-study-of-lithium-disilicate-and-zirconium-oxide-ceramics-for-esthetic-dental-abutments
#9
Céline Brunot-Gohin, Jean-Luc Duval, Sandra Verbeke, Kayla Belanger, Isabelle Pezron, Gérard Kugel, Dominique Laurent-Maquin, Sophie Gangloff, Christophe Egles
PURPOSE: The increasing demand for esthetically pleasing results has contributed to the use of ceramics for dental implant abutments. The aim of this study was to compare the biological response of epithelial tissue cultivated on lithium disilicate (LS2) and zirconium oxide (ZrO2) ceramics. Understanding the relevant physicochemical and mechanical properties of these ceramics will help identify the optimal material for facilitating gingival wound closure. METHODS: Both biomaterials were prepared with 2 different surface treatments: raw and polished...
December 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28049819/brain-enlargement-and-dental-reduction-were-not-linked-in-hominin-evolution
#10
Aida Gómez-Robles, Jeroen B Smaers, Ralph L Holloway, P David Polly, Bernard A Wood
The large brain and small postcanine teeth of modern humans are among our most distinctive features, and trends in their evolution are well studied within the hominin clade. Classic accounts hypothesize that larger brains and smaller teeth coevolved because behavioral changes associated with increased brain size allowed a subsequent dental reduction. However, recent studies have found mismatches between trends in brain enlargement and posterior tooth size reduction in some hominin species. We use a multiple-variance Brownian motion approach in association with evolutionary simulations to measure the tempo and mode of the evolution of endocranial and dental size and shape within the hominin clade...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28049674/dental-students-knowledge-of-resources-for-lgbt-persons-findings-from-three-dental-schools
#11
Xiaoying Feng, Leda Mugayar, Edna Perez, Pamela R Nagasawa, David G Brown, Linda S Behar-Horenstein
Recently, there has been increased attention to including cultural diversity in the education of health professionals, including concern for lesbian, gay, bisexual, and transgender (LGBT) inclusion and visibility. Studies regarding cultural exposure and acceptance of LGBT populations have been concentrated in medicine, with findings showing that medical providers often graduate having missed the preparation required to care for LGBT persons. A visible, comprehensive, culturally competent environment in dental schools would help ensure that all oral health professionals and students are aware of services available to address the particular needs of LGBT students...
January 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28042545/comparative-in-vitro-evaluation-of-human-dental-pulp-and-follicle-stem-cell-commitment
#12
Razieh Karamzadeh, Mohamadreza Baghaban Eslaminejad, Ali Sharifi-Zarchi
OBJECTIVE: Pulp and periodontal tissues are well-known sources of mesenchymal stem cells (MSCs) that provide a promising place in tissue engineering and regenerative medicine. The molecular mechanisms underlying commitment and differentiation of dental stem cells that originate from different dental tissues are not fully understood. In this study, we have compared the expression levels of pluripotency factors along with immunological and developmentally-related markers in the culture of human dental pulp stem cells (hDPSCs), human dental follicle stem cells (hDFSCs), and human embryonic stem cells (hESCs)...
2017: Cell Journal
https://www.readbyqxmd.com/read/28042449/stress-and-strain-distribution-in-three-different-mini-dental-implant-designs-using-in-implant-retained-overdenture-a-finite-element-analysis-study
#13
W Aunmeungtong, P Khongkhunthian, P Rungsiyakull
: Finite Element Analysis (FEA) has been used for prediction of stress and strain between dental implant components and bone in the implant design process. PURPOSE: Purpose of this study was to characterize and analyze stress and strain distribution occurring in bone and implants and to compare stress and strain of three different implant designs. MATERIALS AND METHODS: Three different mini dental implant designs were included in this study: 1...
October 2016: Oral & Implantology
https://www.readbyqxmd.com/read/28042274/effectiveness-of-behavioral-modification-techniques-with-visual-distraction-using-intrasulcular-local-anesthesia-in-hearing-disabled-children-during-pulp-therapy
#14
Kausar Sadia Fakhruddin, Mehmet Omer Gorduysus, Hisham El Batawi
OBJECTIVE: Assessing the effectiveness of behavioral modification techniques in combination with visual distraction with/without video eyewear using computerized delivery system-intrasulcular (CDS-IS) during the application of local anesthetic in hearing-impaired pediatric patients undergoing pulp therapy of primary molars. MATERIALS AND METHODS: This randomized, crossover clinical study includes 15 children (7 boys and 8 girls), mean age was 6.1 years. Children were randomly distributed into two groups (Group A, n = 7; Group B, n = 8)...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28042264/the-effect-of-education-on-oral-health-students-attitudes-in-australia-and-new-zealand
#15
Liyana Tanny, Takashi Komabayashi, D Leann Long, Yoshio Yahata, Susan M Moffat, Helen Tãne
OBJECTIVE: The aim of this study was to evaluate the oral health attitudes and behavior of students in the oral health curriculum in Australia and New Zealand. MATERIALS AND METHODS: The Hiroshima University - Dental Behavioral Inventory was administered to students in the first (year 1) and final years (year 3) of the oral health curriculum at Charles Sturt University in Australia and the University of Otago in New Zealand. A total of fifty-two year 1 students and forty-five year 3 students completed English version of the questionnaire in 2013...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28035661/evidence-of-toothpick-groove-formation-in-neandertal-anterior-and-posterior-teeth
#16
Almudena Estalrrich, José Antonio Alarcón, Antonio Rosas
OBJECTIVES: During the microscopic examination of the Neandertal dentitions from El Sidrón (Spain) and Hortus (France), we found unusual fine parallel microstriations on the mesial and distal sides of all tooth types, near the cervix. As its appearance was similar to toothpick grooves described in other Homo species, it could correspond to early stages on its formation. To test this hypothesis we developed an experimental replication of a groove using grass stalks. MATERIALS AND METHODS: Comparisons between 204 isolated Neandertal teeth and the two experimental dental specimens corroborate that the marks correspond to initial stages of toothpick groove formation, and we propose a five-grade recording scale that summarized the groove formation process...
December 30, 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28032199/does-dental-trauma-in-the-primary-dentition-increases-the-likelihood-of-trauma-in-the-permanent-dentition-a-longitudinal-study
#17
Marília Leão Goettems, Letícia Coutinho Brancher, Catiara Terra da Costa, Maria Laura Menezes Bonow, Ana Regina Romano
OBJECTIVES: The aim of this longitudinal study was to assess the likelihood of children suffering traumatic dental injuries in the permanent dentition subsequent to traumatic dental injuries in their primary dentition. MATERIALS AND METHODS: A longitudinal study was conducted in Pelotas, Brazil. Children were assessed in 2007, when they were aged 2-5 years, and in 2013, at which time, they were aged 8-11 years. Data collection included interviews with parents and clinical oral examination for dental trauma and occlusion...
December 28, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28030940/the-dependence-of-dental-caries-on-oral-hygiene-habits-in-preschool-children-from-urban-and-rural-areas-in-poland
#18
Aneta Kamińska, Leszek Szalewski, Justyna Batkowska, Jan Wallner, Eliza Wallner, Anna Szabelska, Janusz Borowicz
INTRODUCTION: Dental caries is considered to be a modern civilization disease;however, the state of oral health negatively influences psychological and sociological relations in children which leads to feelings of discomfort from early age. OBJECTIVE: The aim of study was evaluation of the association between incidence of dental caries (d3ft index) in preschool children from urban and rural areas, and determining the relationship between dental caries intensity and hygienic habits...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28025807/risk-factors-and-prevalence-of-dental-fluorosis-and-dental-caries-in-school-children-of-north-india
#19
Kavita Plaka, Khaiwal Ravindra, Suman Mor, Krishan Gauba
The aim of the study was to assess the prevalence of dental fluorosis, dental caries, and associated risk factors in the school children of district Fatehgarh Sahib, Punjab, India, using a cross-sectional study design. Oral health status of children aged between 8 and 15 years was assessed using World Health Organization (WHO) 2013 criteria. Dental fluorosis was assessed using Dean's index, and dental caries were recorded using decayed, missing, filled/decayed, extracted, filled (DMF/def) indices. Four hundred school children were examined, of which 207 were in the 8-11-year-old group and 193 were in the 12-15-year-old group...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28013436/opiorphin-in-burning-mouth-syndrome-patients-a-case-control-study
#20
Ivan Salarić, Maja Sabalić, Ivan Alajbeg
OBJECTIVES: Opiorphin is a pentapeptide isolated from human saliva that suppresses pain from chemically induced inflammation and acute physical pain. Burning mouth syndrome (BMS) is a chronic condition of a burning sensation in the mouth, where no underlying dental or medical cause can be identified. We aimed to measure the level of opiorphin in whole unstimulated (UWS) and stimulated (SWS) saliva of patients with BMS. MATERIALS AND METHODS: Originally developed and validated LC-MS/MS method was used for opiorphin quantification...
December 24, 2016: Clinical Oral Investigations
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