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Caries Research

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https://www.readbyqxmd.com/read/29040975/consensus-statements
#1
David Beighton
No abstract text is available yet for this article.
October 18, 2017: Caries Research
https://www.readbyqxmd.com/read/29024928/zinc-inhibits-collagenolysis-by-cathepsin-k-and-matrix-metalloproteinases-in-demineralized-dentin-matrix
#2
Pinar Altinci, Roda Seseogullari-Dirihan, Gulsen Can, David Pashley, Arzu Tezvergil-Mutluay
The enzymatic degradation of dentin organic matrix occurs via both the action of matrix metalloproteinases (MMPs) and cysteine cathepsins (CCs). Zinc can prevent collagen hydrolysis by MMPs. However, its effect on the activity of dentin-bound CCs is not known. The aim of this study was to investigate the effect of zinc on matrix-bound cathepsin K and MMP activity in dentin. Completely demineralized dentin beams were divided into test groups (n = 9) and incubated at 37°C in an incubation media (1 mL) containing ZnCl2 of 0...
October 13, 2017: Caries Research
https://www.readbyqxmd.com/read/29024927/identifying-a-potential-summary-measure-for-overall-caries-level-in-children-examined-with-the-international-caries-detection-and-assessment-system
#3
Mohamed ElSalhy, Aishah Alsumait, Hollis Lai, José Manuel Almerich-Silla, Chaiana Piovesan, Carlos Flores-Mir, Maryam Amin
OBJECTIVE: To identify a potential summative summary measure that reflects a patient's overall caries level in children examined with the International Caries Detection and Assessment System (ICDAS). SUBJECTS AND METHODS: Participants were 1- to 15-year-old children from Kuwait, Brazil, and Spain. Children's teeth were examined using the ICDAS. Multiple measures of central tendency and dentition-specific indices were considered as potential summative measures. The relationship between the summative measures and number of caries lesions was evaluated considering degrees of caries severity using Spearman's correlation analysis...
October 13, 2017: Caries Research
https://www.readbyqxmd.com/read/29020673/mechanism-of-action-of-tif4-on-dental-enamel-surface-sem-edx-koh-soluble-f-and-x-ray-diffraction-analysis
#4
Lívia P Comar, Beatriz M Souza, Luana P Al-Ahj, Jessica Martins, Larissa T Grizzo, Isabelle S Piasentim, Daniela Rios, Marília Afonso Rabelo Buzalaf, Ana Carolina Magalhães
This in vitro study aimed to evaluate the action of TiF4 on sound and carious bovine and human enamel. Sound (S) and pre-demineralised (DE) bovine and human (primary and permanent) enamel samples were treated with TiF4 (pH 1.0) or NaF varnishes (pH 5.0), containing 0.95, 1.95, or 2.45% F for 12 h. The enamel surfaces were analysed using SEM-EDX (scanning electron microscopy/energy-dispersive X-ray spectroscopy) (n = 10, 5 S and 5 DE) and KOH-soluble fluoride was quantified (n = 20, 10 S and 10 DE). Hydroxyapatite powder produced by precipitation method was treated with the corresponding fluoride solutions for 1 min (n = 2)...
October 12, 2017: Caries Research
https://www.readbyqxmd.com/read/28972954/silver-diamine-fluoride-has-efficacy-in-controlling-caries-progression-in-primary-teeth-a-systematic-review-and-meta-analysis
#5
Ana Cláudia Chibinski, Letícia Maíra Wambier, Juliana Feltrin, Alessandro Dourado Loguercio, Denise Stadler Wambier, Alessandra Reis
A systematic review was performed to evaluate the efficacy of silver diamine fluoride (SDF) in controlling caries progression in children when compared with active treatments or placebos. A search for randomized clinical trials that evaluate the effectiveness of SDF for caries control in children compared to active treatments or placebos with follow-ups longer than 6 months was performed in PubMed, Scopus, Web of Science, LILACS, BBO, Cochrane Library, and grey literature. The risk of bias tool from the Cochrane Collaboration was used for quality assessment of the studies...
October 4, 2017: Caries Research
https://www.readbyqxmd.com/read/28968608/in-vitro-validation-of-quantitative-light-induced-fluorescence-for-the-diagnosis-of-enamel-fluorosis-in-permanent-teeth
#6
D M Cuevas-Espinosa, E A Martinez-Mier, M Ando, G A Castiblanco, F Cortes, C M Rincon-Bermudez, S Martignon
This study aimed to validate quantitative light-induced fluorescence (QLF) as a diagnostic tool for mild and moderate enamel fluorosis in permanent teeth, comparing it to visual diagnosis and histological assessment completed using polarized light microscopy (PLM). The buccal surfaces of 139 teeth were visually classified using the Thylstrup and Fejerskov Index (TFI) into sound (TFI 0; n = 17), mild (TFI 1-2; n = 69), and moderate (TFI 3-4; n = 43) fluorosis. Fluorosis was then assessed with QLF (variables ΔF, A, and ΔQ at 5-, 15-, and 30-radiance thresholds) using as reference areas the entire surface and a region of interest (ROI), identified as the most representative region of a fluorosis lesion...
October 3, 2017: Caries Research
https://www.readbyqxmd.com/read/28968606/caries-assessment-spectrum-and-treatment-cast-a-novel-epidemiological-instrument
#7
Soraya Coelho Leal, Ana Paula Dias Ribeiro, Jo E Frencken
Caries detection is fundamental to understanding the oral health status of a population and is the basis for caries diagnosis for individual patients. Although different caries detection/diagnosis criteria are available, none of them include the total spectrum of dental caries (which ranges from a sound tooth to a tooth lost due to caries) other than the Caries Assessment Spectrum and Treatment (CAST) instrument. The CAST codes and descriptions were submitted to experienced epidemiologists from across the world for obtaining face and content validity...
October 3, 2017: Caries Research
https://www.readbyqxmd.com/read/28965113/factors-influencing-the-competition-between-streptococcus-oligofermentans-and-streptococcus-mutans-in-dual-species-biofilms
#8
Xudong Bao, Jingmei Yang, J J de Soet, Hongyan Liu, Xuejun Gao, Cor van Loveren, Dongmei Deng
Previous studies have shown that Streptococcus oligofermentans inhibits the growth of cariogenic Streptococcus mutans in biofilms in vitro and is considered a probiotic candidate for caries prevention. This study aimed to examine the effects of various environmental factors on the competition between S. oligofermentans and S. mutans in a dual-species biofilm model. Single or dual S. oligofermentans and S. mutans biofilms were grown in a 96-well active attachment model for 48 h. Several growth conditions were examined in the model, namely: S...
September 30, 2017: Caries Research
https://www.readbyqxmd.com/read/28954261/treating-high-caries-risk-occlusal-surfaces-in-first-permanent-molars-through-sealants-and-supervised-toothbrushing-a-3-year-cost-effective-analysis
#9
Ann Goldman, Soraya C Leal, Rodrigo G de Amorim, Jo E Frencken
We conducted a 3-year cost-effectiveness analysis on the cavitated dentine carious lesion preventive capabilities of composite resin (CR) (reference group) and atraumatic restorative treatment (ART) high-viscosity glass-ionomer cement (HVGIC) sealants compared to supervised toothbrushing (STB) in high-risk first permanent molars. School children aged 6-7 years in 6 schools (2 per group) received CR and ART/HVGIC sealants or STB daily for 180 days each school year. Data were collected prospectively and cost estimates were made for sample data and a projection of 1,000 sealants/STB high-risk permanent molars...
September 28, 2017: Caries Research
https://www.readbyqxmd.com/read/28954260/untreated-dental-caries-is-associated-with-reports-of-verbal-bullying-in-children-8-10-years-old
#10
Jéssica C Barasuol, Josiane P Soares, Renata G Castro, Angela Giacomin, Bruna M Gonçalves, Daniele Klein, Fernanda M Torres, Adriano F Borgatto, Maria Letícia Ramos-Jorge, Michele Bolan, Mariane Cardoso
The objective of this research was to verify the association between verbal bullying and untreated dental caries. The present cross-sectional study had a representative sample of 1,589 children, aged 8-10 years, from public schools. Information on verbal bullying related to the oral condition was obtained through a questionnaire directed to the students. Clinical data were collected by 4 calibrated examiners (kappa > 0.70) using the DMFT/dmft and PUFA/pufa indexes for caries. Socioeconomic issues were answered by those responsible...
September 28, 2017: Caries Research
https://www.readbyqxmd.com/read/28858860/minimal-gap-size-and-dentin-wall-lesion-development-next-to-resin-composite-in-a-microcosm-biofilm-model
#11
Tamires T Maske, Nicolien K Kuper, Maximiliano S Cenci, Marie-Charlotte D N J M Huysmans
This in vitro study investigated the development of dentin wall lesions next to resin composite containing very small gap sizes using an in vitro biofilm model, and evaluated whether a relevant threshold for the gap size could be established. Microcosm biofilms were grown for 14 days within small interfacial gaps between dentin-resin composite discs under intermittent cariogenic challenge. The factor under study was gap size: samples were either restored with composite resin without adhesive procedure (no intentional gap; no bonding [NB] group) or with intentional gaps of 30, 60, or 90 µm, or with complete adhesive procedure (no gap; bonding [B] group)...
September 1, 2017: Caries Research
https://www.readbyqxmd.com/read/28848160/survival-and-associated-risk-factors-of-selective-caries-removal-treatments-in-primary-teeth-a-retrospective-study-in-a-high-caries-risk-population
#12
Ximena C Melgar, Niek J M Opdam, Marcos Britto Correa, Renata Franzon, Flávio Fernando Demarco, Fernando B Araujo, Luciano Casagrande
OBJECTIVE: The aim of this retrospective study was to analyze the survival probability of selective caries removal (SCR) treatments in the primary teeth of children with high caries experience and factors potentially associated with treatment failure. METHODS: The sample included SCR treatments conducted in anterior and posterior teeth without sedation or general anesthesia among children attending a university dental service. Kaplan-Meier survival analysis was used to estimate the longevity of restorations and multivariate Cox regression with shared frailty was used to assess risk factors...
August 29, 2017: Caries Research
https://www.readbyqxmd.com/read/28848154/mmp-9-in-dentinal-fluid-correlates-with-caries-lesion-depth
#13
Vasudev Ballal, Sheetal Rao, Azadeh Bagheri, Vinutha Bhat, Thomas Attin, Matthias Zehnder
The analysis of molecular cues in dentinal fluid from an excavated cavity could improve diagnostics in the context of minimally invasive caries treatment. In the current clinical trial we assessed whether the dentinal fluid levels of MMP-9 (matrix metalloproteinase-9; neutrophil gelatinase) would increase with the progression of carious lesions. MMP-9 is associated with neutrophil-related tissue breakdown in the pulp. Absolute MMP-9 levels were contrasted against the levels of MMP-2, an enzyme related to normal tissue turnover...
August 22, 2017: Caries Research
https://www.readbyqxmd.com/read/28772269/effects-of-self-assembling-peptide-p11-4-fluorides-and-caries-infiltration-on-artificial-enamel-caries-lesions-in-vitro
#14
Richard J Wierichs, Julian Kogel, Julian Lausch, Marcella Esteves-Oliveira, Hendrik Meyer-Lueckel
The application of a self-assembling peptide on noncavitated caries lesions is supposed to be a feasible approach to facilitate remineralization and mask their unfavorable appearance. However, demineralizing conditions are common in the oral environment, so the aim of this pH-cycling study was to compare recommended and novel treatment methods regarding their ability to hamper demineralization and as a consequence mask artificial enamel caries lesions. Artificial caries lesions were prepared in bovine enamel and randomly allocated to 11 groups (n = 22)...
August 4, 2017: Caries Research
https://www.readbyqxmd.com/read/28738384/sweet-taste-perception-and-dental-caries-in-13-to-15-year-olds-a-multicenter-cross-sectional-study
#15
H Ashi, C Lara-Capi, G Campus, G Klingberg, P Lingström
Dietary habits and, in particular, the intake frequency of sucrose are of major importance for the development of dental caries. The perception of sweet taste is believed to have an influence on sucrose intake and therefore affects the predisposition to dental caries. The aim was to study the caries experience and sweet taste perception and to further analyze the possible relationship between the 2 tested variables in 13- to 15-year-old children from 3 different geographical areas. A cross-sectional survey comprising 669 children (220 Italian, 224 Mexican, and 225 Saudi Arabian) was conducted...
July 25, 2017: Caries Research
https://www.readbyqxmd.com/read/28728145/extracellular-dna-contributes-to-dental-biofilm-stability
#16
Sebastian Schlafer, Rikke L Meyer, Irene Dige, Viduthalai R Regina
Extracellular DNA (eDNA) is a major matrix component of many bacterial biofilms. While the presence of eDNA and its role in biofilm stability have been demonstrated for several laboratory biofilms of oral bacteria, there is no data available on the presence and function of eDNA in in vivo grown dental biofilms. This study aimed to determine whether eDNA was part of the matrix in biofilms grown in situ in the absence of sucrose and whether treatment with DNase dispersed biofilms grown for 2.5, 5, 7.5, 16.5, or 24 h...
July 21, 2017: Caries Research
https://www.readbyqxmd.com/read/28668961/single-nucleotide-polymorphism-in-the-aetiology-of-caries-systematic-literature-review
#17
Paula Piekoszewska-Ziętek, Anna Turska-Szybka, Dorota Olczak-Kowalczyk
Recent progress in the field of molecular biology and techniques of DNA sequence analysis allowed determining the meaning of hereditary factors of many common human diseases. Studies of genetic mechanisms in the aetiology of caries encompass, primarily, 4 main groups of genes responsible for (1) the development of enamel, (2) formation and composition of saliva, (3) immunological responses, and (4) carbohydrate metabolism. The aim of this study was to present current knowledge about the influence of single nucleotide polymorphism (SNP) genetic variants on the occurrence of dental caries...
July 1, 2017: Caries Research
https://www.readbyqxmd.com/read/28658675/caries-experience-in-children-with-and-without-molar-incisor-hypomineralisation-a-case-control-study
#18
Juliana de Aguiar Grossi, Renata Nunes Cabral, Soraya Coelho Leal
AIM: The aim of this study was to compare the caries experience of children with and without molar-incisor hypomineralisation (MIH). METHODS: A case-control study was designed in which 130 children aged between 7 and 13 years with MIH (cases) were matched with 130 children without the condition (controls) according to age, sex, and school. Dental caries and MIH were assessed using the Caries Assessment Spectrum and Treatment (CAST) and European Academy of Paediatric Dentistry (EAPD) criteria, respectively, by three examiners...
June 29, 2017: Caries Research
https://www.readbyqxmd.com/read/28641301/fluoride-in-dental-biofilm-varies-across-intra-oral-regions
#19
Line Staun Larsen, Vibeke Baelum, Livia Maria Andaló Tenuta, Alan Richards, Bente Nyvad
Information on differences in biofilm fluoride concentration across intra-oral regions may help explain the distribution of caries within the dentition. The aim of this cross-sectional study was to describe the fluoride concentration in saliva and in biofilm fluid and biofilm solids across 6 intra-oral regions. Unstimulated whole saliva was collected from 42 participants and biofilm harvested from the buccal sites in the 4 molar and 2 anterior regions. Samples were collected at least 1 h after use of fluoride dentifrice...
June 23, 2017: Caries Research
https://www.readbyqxmd.com/read/28637033/quantitative-swept-source-optical-coherence-tomography-of-early-enamel-erosion-in-vivo
#20
Rupert S Austin, Maisalamah Haji Taha, Frederic Festy, Richard Cook, Manoharan Andiappan, Juliana Gomez, Iain A Pretty, Rebecca Moazzez
Swept-source optical coherence tomography (SS-OCT) shows potential for the in vivo quantitative evaluation of micro-structural enamel surface phenomena occurring during early erosive demineralization. This randomized controlled single-blind cross-over clinical study aimed to evaluate the use of SS-OCT for detecting optical changes in the enamel of 30 healthy volunteers subjected to orange juice rinsing (erosive challenge) in comparison to mineral water rinsing (control), according to wiped and non-wiped enamel surface states...
June 22, 2017: Caries Research
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