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Remineralisation

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https://www.readbyqxmd.com/read/29197285/fresh-carbon-inputs-to-seagrass-sediments-induce-variable-microbial-priming-responses
#1
Stacey M Trevathan-Tackett, Alexandra C G Thomson, Peter J Ralph, Peter I Macreadie
Microbes are the 'gatekeepers' of the marine carbon cycle, yet the mechanisms for how microbial metabolism drives carbon sequestration in coastal ecosystems are still being defined. The proximity of coastal habitats to runoff and disturbance creates ideal conditions for microbial priming, i.e., the enhanced remineralisation of stored carbon in response to fresh substrate availability and oxygen introduction. Microbial priming, therefore, poses a risk for enhanced CO2 release in these carbon sequestration hotspots...
November 29, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29196721/on-the-effect-of-low-oxygen-concentrations-on-bacterial-degradation-of-sinking-particles
#2
Frédéric A C Le Moigne, Carolina Cisternas-Novoa, Judith Piontek, Marie Maßmig, Anja Engel
In marine oxygen (O2) minimum zones (OMZs), the transfer of particulate organic carbon (POC) to depth via the biological carbon pump might be enhanced as a result of slower remineralisation under lower dissolved O2 concentrations (DO). In parallel, nitrogen (N) loss to the atmosphere through microbial processes, such as denitrification and anammox, is directly linked to particulate nitrogen (PN) export. However it is unclear (1) whether DO is the only factor that potentially enhances POC transfer in OMZs, and (2) if particle fluxes are sufficient to support observed N loss rates...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126948/polymerisation-antibacterial-and-bioactivity-properties-of-experimental-orthodontic-adhesives-containing-triclosan-loaded-halloysite-nanotubes
#3
Felipe Weidenbach Degrazia, Bruna Genari, Vicente Castelo Branco Leitune, Rodrigo Alex Arthur, Santiago Arias Luxan, Susana Maria Werner Samuel, Fabrício Mezzomo Collares, Salvatore Sauro
OBJECTIVE: To evaluate the immediate enamel bond strength, in situ degree of conversion and the polymerisation rate of three experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes. The antibacterial and bioactivity properties of such experimental materials were also assessed. MATERIALS AND METHODS: Three experimental orthodontic adhesives were formulated by incorporating triclosan-loaded halloysite nanotubes (TCN-HNT) at different concentrations (5wt%, 10wt% and 20wt%) into a resin blend (Control)...
November 7, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29058055/effects-of-collagen-crosslinkers-on-dentine-a-literature-review
#4
REVIEW
J Cai, J E A Palamara, M F Burrow
This aim of this review is to explore the current research related to crosslinking agents used on dentine. A systematic search of publications in PubMed and Web of Science databases was performed. Further retrieval was conducted using the search terms of specific names of crosslinkers. Reviews, conference abstracts, dissertation and theses, non-English articles, studies of intrinsic crosslinking of dentine, studies of adhesives without specific crosslinker components, studies of crosslinker applications in other collagenous tissues or tooth-like structures and irrelevant studies were excluded...
October 20, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29029848/fluoride-containing-bioactive-glass-composite-for-orthodontic-adhesives-ion-release-properties
#5
N A Al-Eesa, F S L Wong, A Johal, R G Hill
OBJECTIVE: Dental materials that release calcium, phosphate and fluoride ions could prevent demineralisation and/or enhance remineralisation of enamel. The objective was to develop a novel bioactive glass (BAG) resin and investigate pH changes and ion release in 3 immersion media. METHODS: Quench melt derived BAG (35.25% SiO2, 6% Na2O, 43% CaO, 5.75% P2O5, and 10% CaF2) was incorporated into a resin (42.25% BisEMA, 55% TEGDMA, 0.25% DMAEM, 0.5% camphorquinone and 2% 4-Meta), with a filler load of 80% by weight...
November 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28944352/subtraction-radiographic-assessment-of-underlying-dentin-after-partial-carious-dentin-removal-in-primary-teeth
#6
Araya Phonghanyudh, Chayathorn Ruangdit, Suchaya Pornprasertsuk-D Amrongsri, Prathip Phanthumvanit
PURPOSE: To assess the one-year outcome of glass-ionomer cement (GIC) restorations with partial carious dentin removal in primary molars using digital subtraction radiographs. MATERIALS AND METHODS: Children ages 6-8 years were recruited. Forty-nine primary molars with deep carious lesions were studied. The carious dentin was removed at the dentoenamel junction (DEJ) and restored with GIC. Digital radiographs were taken immediately after restoration, and at 6 and 12 months after restoration...
September 21, 2017: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/28939485/the-effect-of-bioactive-glasses-on-enamel-remineralization-a-systematic-review
#7
REVIEW
Ayam A Taha, Mangala P Patel, Robert G Hill, Padhraig S Fleming
INTRODUCTION/OBJECTIVES: To evaluate the effectiveness of bioactive glasses in promoting enamel remineralization. DATA: An electronic search with a complementary gray literature search for in vivo and in vitro research. No language restrictions were applied. SOURCES: MEDLINE and EMBASE via OVID, the Cochrane Oral Health Group's Trials Register, CENTRAL and LILACS STUDY SELECTION: One hundred and sixteen studies were identified, of which, eleven met the inclusion criteria and formed the basis of this systematic review...
September 20, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28895677/can-babies-oral-wipes-with-fluoride-and-or-calcium-glycerophosphate-prevent-cariogenic-demineralization-an-in-vitro-study
#8
Karla M Rezende, Juliana P Zuim, Thiago S Carvalho, Maria S Côrrea, Marcelo Bönecker
BACKGROUND: The difficulties in reaching a good level of oral hygiene in young babies can be partly overcome with the use of baby oral wipes, which have been shown to effectively remove plaque from deciduous teeth. The presence of fluoride and calcium in these wipes could also prevent further demineralization of the teeth, as well as promote remineralization. The aim of this study is, therefore, was to analyze the preventive effect of OW containing F and CaGP on cariogenic demineralization in vitro...
October 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28859965/comparison-of-the-newer-preventive-therapies-on-remineralisation-of-enamel-in-vitro
#9
M Bataineh, M Malinowski, M S Duggal, J F Tahmassebi
OBJECTIVES: To investigate in vitro the effect of MI Paste, MI Paste Plus and 2800ppm fluoride (F) toothpaste (TP) on the remineralisation of enamel subsurface lesions and to compare these to the effect of 1450ppm and 0ppm F toothpastes. METHODS: Enamel subsurface lesions were created in bovine enamel slabs (n=120) which were assigned randomly to five groups; (1) 0ppm F TP, (2) 1450ppm F TP, (3) 2800ppm F TP, (4) 1450ppm F TP+MI Paste (Tooth Mousse-TM,10% w/v CPP-ACP) and (5) 1450ppm F TP+MI Paste Plus (Tooth Mousse Plus,10% w/v CPP-ACP, 900ppm F as 0...
November 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28840898/new-website-for-remineralising-toothpaste-brand
#10
(no author information available yet)
No abstract text is available yet for this article.
August 25, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28838679/polyols-and-remineralisation-of-enamel-subsurface-lesions
#11
Peiyan Shen, Glenn D Walker, Yi Yuan, Coralie Reynolds, Eric C Reynolds
Sugar-free chewing gum containing polyols has been demonstrated to reduce caries experience in randomised controlled clinical trials. A range of polyols (mannitol, sorbitol, xylitol and maltitol) can be found in sugar-free gums and it has been claimed that they can facilitate calcium uptake into enamel subsurface lesions promoting remineralisation. OBJECTIVES: The aim of this study was to compare the effect of polyols on remineralisation of enamel subsurface lesions in vitro by artificial saliva (AS) and by AS containing the salivary biomimetic casein phosphopeptide amorphous calcium phosphate (CPP-ACP)...
November 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28798455/in-clinic-remineralisation-regime
#12
(no author information available yet)
No abstract text is available yet for this article.
August 11, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28798421/remineralisation-the-buzzword-for-early-mi-caries-management
#13
B T Amaechi
Minimal intervention (MI) dentistry aims to preserve dental tissues first and restore only when indicated, thus remineralisation of initial (non-cavitated) caries lesions, an integral part of caries management, is an essential treatment strategy in MI. With this understanding, dental practitioners are increasingly embracing the principle of non-operative treatment of initial caries lesions. The purpose of this review was to summarise the most recent literature published in non-operative management of dental caries...
August 11, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28783130/shear-bond-strength-and-remineralisation-effect-of-a-casein-phosphopeptide-amorphous-calcium-phosphate-modified-glass-ionomer-cement-on-artificial-caries-affected-dentine
#14
Irene Shuping Zhao, May Lei Mei, Zhuo Long Zhou, Michael Francis Burrow, Edward Chin-Man Lo, Chun-Hung Chu
This study investigated the effect of casein phosphopeptide-amorphous calcium phosphate (CPP-ACP)-modified glass ionomer cement (GIC) on shear bond strength (SBS) and remineralisation of artificial "caries-affected" dentine. Human dentine slices were demineralised and allocated to three groups: group 1, conventional GIC; group 2, CPP-ACP-modified GIC; and group 3, resin-modified GIC. The SBS was measured using a universal testing machine (n = 16 per group). Remaining samples (n = 8 per group) were subjected to pH-cycling for 28 days...
August 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28772060/methanotroph-derived-bacteriohopanepolyol-signatures-as-a-function-of-temperature-related-growth-survival-cell-death-and-preservation-in-the-geological-record
#15
Kate A Osborne, Neil D Gray, Angela Sherry, Peter Leary, Obioma Mejeha, Juliane Bischoff, Darci Rush, Frances R Sidgwick, Daniel Birgel, Marina G Kalyuzhnaya, Helen M Talbot
Interpretation of bacteriohopanepolyol (BHP) biomarkers tracing microbiological processes in modern and ancient sediments relies on understanding environmental controls of production and preservation. BHPs from methanotrophs (35-aminoBHPs) were studied in methane-amended aerobic river-sediment incubations at different temperatures. It was found that: (i) With increasing temperature (4°C-40°C) a 10-fold increase in aminopentol (associated with Crenothrix and Methylobacter spp. growth) occurred with only marginal increases in aminotriol and aminotetrol; (ii) A further increase in temperature (50°C) saw selection for the thermophile Methylocaldum and mixtures of aminopentol and C-3 methylated aminopentol, again, with no increase in aminotriol and aminotetrol...
August 3, 2017: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/28681698/a-randomised-controlled-trial-to-investigate-the-remineralising-potential-of-tooth-mousse%C3%A2-in-orthodontic-patients
#16
Andrew P Garry, Norah L Flannigan, Lee Cooper, Gleb Komarov, Girvan Burnside, Sue M Higham
OBJECTIVE: To investigate the remineralisation of enamel subsurface lesions treated with fluoride toothpaste (1450 ppm) or a combination of fluoride toothpaste in addition to Tooth Mousse™. DESIGN: An in situ, cross-over, randomised controlled trial. SETTING: Orthodontic department at Liverpool University Dental Hospital, UK. PARTICIPANTS: Twelve patients receiving fixed orthodontic treatment. METHODS: Demineralised subsurface enamel lesions were placed in a carrier and attached onto a fixed orthodontic appliance...
July 6, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28642564/remineralisation-and-arresting-caries-in-children-with-topical-fluorides
#17
COMMENT
Neeraj Gugnani, Shalini Gugnani
Data sourcesThe Cochrane Library, PubMed, Embase and the ISI Web of Science.Study selectionEnglish language clinical trials in children with outcome measures including the remineralisation or arresting effect of caries by professional fluoride treatment were considered.Data extraction and synthesisTwo reviewers screened the studies and assessed risk of bias. Random effects meta-analysis was conducted.ResultsSeventeen studies were included, ten focused on remineralisation, seven on arresting carious lesions...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28571281/assessment-of-enamel-remineralisation-after-treatment-with-four-different-remineralising-agents-a-scanning-electron-microscopy-sem-study
#18
Renita Soares, Ida De Noronha De Ataide, Marina Fernandes, Rajan Lambor
INTRODUCTION: Decades of research has helped to increase our knowledge of dental caries and reduce its prevalence. However, according to World Oral Health report, dental caries still remains a major dental disease. Fluoride therapy has been utilised in a big way to halt caries progression, but has been met with limitations. This has paved the way for the development of newer preventive agents that can function as an adjunct to fluoride or independent of it. AIM: The purpose of the present study was to evaluate the ability of Casein Phosphopeptide-Amorphous Calcium Phosphate Fluoride (CPP ACPF), Bioactive Glass (BAG), fluoride enhanced Hydroxyapatite (HA) gel and self-assembling peptide P11-4 to remineralise artificial carious lesions in enamel in vitro using a 30 day pH cycling model through surface microhardness analysis and SEM...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28542863/mechanisms-of-silver-diamine-fluoride-on-arresting-caries-a-literature-review
#19
REVIEW
Irene Shuping Zhao, Sherry Shiqian Gao, Noriko Hiraishi, Michael Francis Burrow, Duangporn Duangthip, May Lei Mei, Edward Chin-Man Lo, Chun-Hung Chu
OBJECTIVE: To review the evidence regarding the mechanisms of silver diamine fluoride (SDF) for arresting caries. METHODS: A literature search was conducted using the keywords silver diamine fluoride, and its alternative names, in seven databases: PubMed, Embase and Scopus (English); China National Knowledge Infrastructure (Chinese); Bilioteca Virtual em Saude (Portuguese); Biblioteca Virtual en Salud Espana (Spanish); and Ichushi-Web (Japanese). The titles and abstracts were screened...
May 21, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28526844/identification-of-extracellular-glycerophosphodiesterases-in-pseudomonas-and-their-role-in-soil-organic-phosphorus-remineralisation
#20
Ian D E A Lidbury, Andrew R J Murphy, Tandra D Fraser, Gary D Bending, Alexandra M E Jones, Jonathan D Moore, Andrew Goodall, Mark Tibbett, John P Hammond, David J Scanlan, Elizabeth M H Wellington
In soils, phosphorus (P) exists in numerous organic and inorganic forms. However, plants can only acquire inorganic orthophosphate (Pi), meaning global crop production is frequently limited by P availability. To overcome this problem, rock phosphate fertilisers are heavily applied, often with negative environmental and socio-economic consequences. The organic P fraction of soil contains phospholipids that are rapidly degraded resulting in the release of bioavailable Pi. However, the mechanisms behind this process remain unknown...
May 19, 2017: Scientific Reports
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