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https://www.readbyqxmd.com/read/28102940/effect-of-cast-modification-on-denture-base-adaptation-following-maxillary-complete-denture-processing
#1
Mohammed E Sayed, Amit Porwal, David Ehrenberg, Saul Weiner
PURPOSE: To investigate the effect of cast modifications on denture base adaptation in coronal and sagittal projections following maxillary complete denture processing. MATERIALS AND METHODS: A total of 60 edentulous maxillary casts (n = 10) were distributed among six groups. Group 1 was the control group with no modification, groups 2 through 6 included a butterfly postdam preparation, groups 3 and 4 also included a 10-mm wide/4-mm deep box with addition of four round holes in group 4, and groups 5 and 6 also included a 20-mm wide/4-mm deep box with addition of four round holes in group 6...
January 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28102013/the-effect-of-potassium-diclofenac-and-dexamethasone-on-mmp-1-gene-transcript-levels-during-experimental-tooth-movement-in-rats
#2
G P Molina Da Silva, O M Tanaka, D F Campos Navarro, C E Repeke, G P Garlet, O Guariza-Filho, P C Trevilatto
OBJECTIVES: The aim of this study was to analyze MMP-1 transcript levels in periodontal tissues of rats that underwent orthodontic treatment using potassium diclofenac and dexamethasone at different stages of tooth movement. SETTING AND SAMPLE POPULATION: The sample comprised of ninety male Wistar rats. MATERIAL AND METHODS: A closed nickel-titanium coil spring was used to apply a force of 50 cN to move the maxillary right first molars mesially...
February 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28100885/quantitative-analysis-of-the-distribution-of-cis-eicosenoic-acid-positional-isomers-in-marine-fishes-from-the-indian-ocean
#3
Samanthika Senarath, Kazuaki Yoshinaga, Toshiharu Nagai, Akihiko Yoshida, Fumiaki Beppu, Chamila Jayasinghe, Chandravathany Devadawson, Naohiro Gotoh
This study investigated the occurrence and distribution of cis-eicosenoic acid (c-20:1) positional isomers in fishes from the Indian Ocean and compared to those from the Pacific and Atlantic Ocean. Lipids were extracted from the edible part of the fish and then methylated. The eicosenoic acid methyl ester fraction was separated from total fatty acid methyl esters by reversed-phase HPLC and quantitatively analyzed using a GC-FID fitted with the SLB-IL111 highly polar GC column. c14-20:1 was used as an internal standard...
January 18, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28100415/a-10-year-trend-of-dental-treatments-under-general-anesthesia-of-children-in-taipei-veterans-general-hospital
#4
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/28099579/factors-for-determining-dental-anxiety-in-preschool-children-with-severe-dental-caries
#5
Jenny Abanto, Evelyn Alvarez Vidigal, Thiago Saads Carvalho, Stella Núbia Coelho de Sá, Marcelo Bönecker
The aim of this study was to assess the clinical and socioeconomic indicators associated with dental anxiety in preschool children with severe dental caries. A total of 100 children between 3 and 5 years of age were selected during a dental screening procedure. The selection criteria were having at least one tooth with dental caries and a visible pulpal involvement, ulceration, fistula, and abscess (PUFA) index of ≥1 in primary teeth. Before the clinical examination or any treatment procedure was performed, we evaluated the children's dental anxiety using the Facial Image Scale (FIS)...
January 16, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28098777/new-irradiation-method-with-indocyanine-green-loaded-nanospheres-for-inactivating-periodontal-pathogens
#6
Yasuyuki Sasaki, Jun-Ichiro Hayashi, Takeki Fujimura, Yuki Iwamura, Genta Yamamoto, Eisaku Nishida, Tasuku Ohno, Kosuke Okada, Hiromitsu Yamamoto, Takeshi Kikuchi, Akio Mitani, Mitsuo Fukuda
Antimicrobial photodynamic therapy (aPDT) has been proposed as an adjunctive strategy for periodontitis treatments. However, use of aPDT for periodontal treatment is complicated by the difficulty in accessing morphologically complex lesions such as furcation involvement, which the irradiation beam (which is targeted parallel to the tooth axis into the periodontal pocket) cannot access directly. The aim of this study was to validate a modified aPDT method that photosensitizes indocyanine green-loaded nanospheres through the gingivae from outside the pocket using a diode laser...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098743/analysis-of-incident-and-accident-reports-and-risk-management-in-spine-surgery
#7
Kazuyoshi Kobayashi, Shiro Imagama, Kei Ando, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Masayoshi Morozumi, Yoshihiro Nishida, Yoshimasa Nagao, Naoki Ishiguro
STUDY DESIGN: A review of accident and incident reports. OBJECTIVE: To analyze prevalence, characteristics, and details of perioperative incidents and accidents in patients receiving spine surgery. SUMMARY OF BACKGROUND DATA: In our institution, a clinical error that potentially results in an adverse event is usually submitted as an incident or accident report through a web database, to ensure anonymous and blame-free reporting. All reports are analyzed by a medical safety management group...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28097682/evaluation-of-perforated-demineralized-dentin-scaffold-on-bone-regeneration-in-critical-size-sheep-iliac-defects
#8
Md Arafat Kabir, Masaru Murata, Toshiyuki Akazawa, Kaoru Kusano, Katsuhisa Yamada, Manabu Ito
OBJECTIVES: Regenerating critical-size bone injury is a major problem that continues to inspire the design of new graft materials. Therefore, tissue engineering has become a novel approach for targeting bone regeneration applications. Human teeth are a rich source of stem cells, matrix, trace metal ions, and growth factors. A vital tooth-derived demineralized dentin matrix is acid-insoluble and composed of cross-linked collagen with growth factors. In this study, we recycled human non-functional tooth into a unique geometric dentin scaffold, entitled perforated root-demineralized dentin matrix (PR-DDM)...
January 17, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28097225/centrally-involved-x-linked-charcot-marie-tooth-disease-presenting-as-a-stroke-mimic
#9
Patrick D Nicholson, Stefan M Pulst
No abstract text is available yet for this article.
February 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28096974/mortality-hospital-days-and-treatment-costs-of-current-and-reduced-sugar-consumption-in-israel
#10
Gary M Ginsberg
BACKGROUND: Consumption of sugar causes tooth decay, overweight and obesity related morbidities. This paper in response to the Minister of Health's request, provides estimates of the mortality, morbidity and health care costs attributable to sugar consumption in Israel along with the effects of reducing sugar consumption. METHODS: Gender specific relative risks of many diseases from overweight (25 < =BMI < 30) and obesity (BMI > =30) were applied to the national gender specific prevalence rates of overweight and obesity in order to calculate the population attributable fraction (PAF) from overweight and obesity...
2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28095456/a-rasch-analysis-of-the-charcot-marie-tooth-neuropathy-score-cmtns-in-a-cohort-of-charcot-marie-tooth-type-1a-patients
#11
Wenjia Wang, Mickaël Guedj, Viviane Bertrand, Julie Foucquier, Elisabeth Jouve, Daniel Commenges, Cécile Proust-Lima, Niall P Murphy, Olivier Blin, Laurent Magy, Daniel Cohen, Shahram Attarian
The Charcot-Marie-Tooth Neuropathy Score (CMTNS) was developed as a main efficacy endpoint for application in clinical trials of Charcot-Marie-Tooth disease type 1A (CMT1A). However, the sensitivity of the CMTNS for measuring disease severity and progression in CMT1A patients has been questioned. Here, we applied a Rasch analysis in a French cohort of patients to evaluate the psychometrical properties of the CMTNS. Overall, our analysis supports the validity of the CMTNS for application to CMT1A patients though with some limitations such as certain items of the CMTNS being more suitable for moderate to severe forms of the disease, and some items being disordered...
2017: PloS One
https://www.readbyqxmd.com/read/28095448/distribution-of-cathepsin-k-in-late-stage-of-tooth-germ-development-and-its-function-in-degrading-enamel-matrix-proteins-in-mouse
#12
Tao Jiang, Fen Liu, Wei-Guang Wang, Xin Jiang, Xuan Wen, Kai-Jin Hu, Yang Xue
Cathepsin K (CTSK) is a member of cysteine proteinase family, and is predominantly expressed in osteoclastsfor degradationof bone matrix proteins. Given the similarity in physical properties of bone and dental mineralized tissues, including enamel, dentin and cementum, CTSK is likely to take part in mineralization process during odontogenesis. On the other hand, patients with pycnodysostosis caused by mutations of the CTSK gene displayedmultipledental abnormalities, such as hypoplasia of the enamel, obliterated pulp chambers, hypercementosis and periodontal disease...
2017: PloS One
https://www.readbyqxmd.com/read/28095329/comparing-ancient-dna-survival-and-proteome-content-in-69-archaeological-cattle-tooth-and-bone-samples-from-multiple-european-sites
#13
Caroline Wadsworth, Noemi Procopio, Cecilia Anderung, José-Miguel Carretero, Eneko Iriarte, Cristina Valdiosera, Rengert Elburg, Kirsty Penkman, Michael Buckley
No abstract text is available yet for this article.
January 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28094306/maternal-diabetes-modulates-dental-epithelial-stem-cells-proliferation-and-self-renewal-in-offspring-through-apurinic-apyrimidinicendonuclease-1-mediated-dna-methylation
#14
Guoqing Chen, Jie Chen, Zhiling Yan, Ziyue Li, Mei Yu, Weihua Guo, Weidong Tian
Maternal gestational diabetes mellitus (GDM) has many adverse effects on the development of offspring. Aberrant DNA methylation is a potential mechanism associated with these effects. However, the effects of GDM on tooth development and the underlying mechanisms have not been thoroughly investigated. In the present study, a GDM rat model was established and incisor labial cervical loop tissue and dental epithelial stem cells (DESCs) were harvested from neonates of diabetic and control dams. GDM significantly suppressed incisor enamel formation and DESCs proliferation and self-renewal in offspring...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094232/comparative-evaluation-of-shear-bond-strength-of-metallic-brackets-bonded-with-two-different-bonding-agents-under-dry-conditions-and-with-saliva-contamination
#15
Mashallah Khanehmasjedi, Mohammad Ali Naseri, Samaneh Khanehmasjedi, Leila Basir
BACKGROUND: This study compared the shear bond strength of metallic brackets bonded with Single Bond and Assure bonding agents under dry and saliva-contamination conditions. METHODS: Sixty sound premolar teeth were selected, and stainless-steel brackets were bonded on enamel surfaces with Single Bond and Assure bonding agents under dry condition or with saliva contamination. Shear bond strength values of brackets were measured in a universal testing machine. The adhesive remnant index scores were determined after debonding of the brackets under a stereomicroscope...
January 13, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28093860/monolithic-implant-supported-lithium-disilicate-ls2-crowns-in-a-complete-digital-workflow-a-prospective-clinical-trial-with-a-2-year-follow-up
#16
Tim Joda, Marco Ferrari, Urs Brägger
BACKGROUND: The technical development of digital processing allows the production of anatomically full-contoured implant-supported restorations. PURPOSE: The aim of this prospective clinical trial was to analyze the treatment concept of monolithic lithium disilicate (LS2) single-unit restorations in a complete digital workflow. MATERIAL AND METHODS: Forty-four patients were restored with 50 screw-retained monolithic implant LS2 crowns bonded to pre-fabricated titanium abutments on soft tissue level implants (Institut Straumann AG, Basel, Switzerland) in premolar and molar sites...
January 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28092925/risk-based-management-of-dental-procedures-in-patients-with-inherited-bleeding-disorders-development-of-a-dental-bleeding-risk-assessment-and-treatment-tool-debratt
#17
L Rasaratnam, P Chowdary, D Pollard, B Subel, C Harrington, U R Darbar
INTRODUCTION: Successful outcomes in dental management for patients with inherited bleeding disorders require close collaboration between haematology teams and dentists. AIM: To review outcomes of an interdisciplinary pathway for dental procedures by assessing adequacy and appropriateness of haemostatic management. METHODS: Two hundred dental procedures in 30 patients with inherited bleeding disorders were included. A Dental Bleeding Risk Assessment and Treatment Tool (DeBRATT) was developed to identify four categories of bleeding risk (no risk, low, moderate and high risk of bleeding) in relation to the severity of the bleeding disorder and the invasiveness of dental procedure...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092105/effectiveness-of-water-fluoridation-in-the-prevention-of-dental-caries-across-adult-age-groups
#18
Loc Do, Diep Ha, Marco A Peres, John Skinner, Roy Byun, A John Spencer
BACKGROUND: Lifetime access to fluoridated water (FW) is associated with lower caries experience. However, assessing this association in adults is likely affected by age. Cohort stratification and categorization of per cent lifetime access to fluoridated water (% LAFW) within cohorts are current approaches to this assessment. These approaches require an examination of the % LAFW and caries experience variation within and across age groups and their association to inform future analyses...
January 16, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28091877/influence-of-enamel-dentin-thickness-on-the-toxic-and-esthetic-effects-of-experimental-in-office-bleaching-protocols
#19
C C de Oliveira Duque, D G Soares, F G Basso, J Hebling, C A de Souza Costa
OBJECTIVES: This paper aims to assess the whitening effectiveness and toxicity of tooth-bleaching protocols applied to enamel/dentin disks simulating mandibular incisors (ICs) and premolars (PMs). MATERIALS AND METHODS: A 10% hydrogen peroxide (H2O2) gel was applied for 3 × 15, 1 × 15, or 1 × 5 min to enamel/dentin disks simulating mandibular ICs and PMs, and the trans-enamel and trans-dentinal diffusion products were applied to human dental pulp cells (1 h)...
January 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28091721/influence-of-tooth-dimension-on-the-initial-mobility-based-on-plaster-casts-and-x-ray-images-a-numerical-study
#20
Martin Hartmann, Cornelius Dirk, Susanne Reimann, Ludger Keilig, Anna Konermann, Andreas Jäger, Christoph Bourauel
AIMS: The goal was to determine the influence of different geometric parameters of the tooth on the initial tooth mobility and the position of the center of resistance employing numerical models based on scaled X-ray images and plaster casts. METHODS: The dimensions of tooth 21 were measured in 21 patients, using radiographs and dental casts. Length and mesiodistal width of the tooth were obtained from the X-ray image and the orovestibular diameter from the plaster cast...
January 13, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
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