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Caries Research

Cor van Loveren
The World Health Organization guideline to use less sugar may be an opportunity and support for dentistry in its goal to get the message of using less sugar across to the public. Two ways (with all the combinations of these) to achieve a reduction of sugar consumption are the reduction of the amount of sugar in products or the reduction of the frequency of consumption of sugar-containing products. Which sugar-reducing strategy is best for caries prevention? To answer this question, this manuscript discusses the shape of the dose-response association between sugar intake and caries, the influence of fluoridated toothpaste on the association of sugar intake and caries and the relative contribution of frequency and amount of sugar intake to caries levels...
August 8, 2018: Caries Research
Klaus Pieper, Julia Winter, Monika Heinzel-Gutenbrunner, Jutta Margraf-Stiksrud
OBJECTIVES: The aim of this study was to test the relationship between a newly developed sugar index and caries experience in 4th- and 6th-graders. MATERIALS AND METHODS: A total of 1,019 fourth-graders and 925 sixth-graders from 2 regions in Northern Germany participated in the study. Caries experience was recorded by applying the ICDAS criteria. Tooth-brushing habits and other independent variables were examined psychometrically. Structured questions were formulated that were related to specific everyday eating situations, especially between main meals, which proved to be relevant for a higher caries risk...
August 8, 2018: Caries Research
Sharon R Smith, Stephanie T Johnson, Samantha M Oldman, Valerie B Duffy
PURPOSE: Rapid yet useful methods are needed to screen for dietary behaviors in clinical settings. We tested the feasibility and reliability of a pediatric adapted liking survey (PALS) to screen for dietary behaviors and suggest tailored caries and obesity prevention messages. METHODS: In an observational study, children admitted to a pediatric emergency department (PED) for nonurgent care were approached to complete the PALS (33 foods, 4 nonfoods including brushing teeth)...
August 8, 2018: Caries Research
Joao Breda, Jo Jewell, Amélie Keller
The World Health Organization (WHO) recommends a reduced intake of free sugars throughout the life course (strong recommendation) with a reduction of free sugars intake to less than 10% of the total energy intake (strong recommendation) and preferably below 5% of the total energy intake (conditional recommendation) in both adults and children. Available data clearly show that people already consume significantly more sugar than they should, increasing the risk for dental caries, overweight and obesity. The WHO recommendations are intended for use by the policy makers as a benchmark for assessing intake of sugars by populations and as a driving force for policy change...
August 7, 2018: Caries Research
Andreas G Schulte, Georgios Tsakos
Caries is the most prevalent chronic condition worldwide and the association between high-level intake of sugars and dental decay is strong and well established. Interestingly, to combat caries, dental practitioners and public health dentists in many countries have focused mainly on the application of different kinds of fluorides and fissure sealants but not on the reduction of sugar intake. Furthermore, for many years, sugars have not been the focus of dental research activities presented at the annual conferences of the European Organisation for Caries Research (ORCA) and the European Association of Dental Public Health (EADPH)...
August 7, 2018: Caries Research
Kritirat Kiatsirirote, Thanya Sitthisettapong, Prathip Phantumvanit, Daniel C N Chan
This study aimed to evaluate the clinical effect of a resin denture base containing 20wt% surface prereacted glass ionomer (S-PRG) fillers on saliva fluoride concentrations as a surrogate evaluation of caries control. The study was a double-blind randomized clinical trial with a total of 110 participants aged 35-60 years who wore a removable partial resin denture for 1.5 years. Subjects were randomly assigned to receive a partial resin denture fabricated either with or without 20wt% S-PRG fillers (n = 55 per group)...
July 27, 2018: Caries Research
E Angeles Martinez-Mier, Livia Maria Andaló Tenuta, Clifton M Carey, Jaime A Cury, Cor van Loveren, Kim Rud Ekstrand, Carolina Ganss, Andreas Schulte, Arif Baig, Habib Benzian, Peter Bottenberg, Mark J Buijs, Alan Ceresa, Joana Christina Carvalho, Roger Ellwood, Carlos González-Cabezas, Christopher Holmgren, Michael Knapp, Frank Lippert, Andrew Joiner, David J Manton, Stefania Martignon, Stephen Mason, Anahita Jablonski-Momeni, Walter Plett, Chris Rahiotis, Fábio Sampaio, Domenick T Zero
Toothpastes are the most universally accepted form of fluoride delivery for caries prevention. To provide anti-caries benefits, they must be able to release fluoride during the time of tooth brushing or post brushing into the oral cavity. However, there is no standard accepted procedure to measure how much fluoride in a toothpaste may be (bio) available for release. The European Organization for Caries Research proposed and supported a workshop with experts in fluoride analysis in toothpastes and representatives from industry...
July 24, 2018: Caries Research
Tamires T Maske, Nicolien K Kuper, Maximiliano S Cenci, Marie-Charlotte D N J M Huysmans
This study investigated the role of a matrix metalloproteinase (MMP) inhibitor (CHX 2%) in the development of secondary caries wall lesions in different interface conditions with small (run 1) and wider gaps (run 2). Dentin discs were restored and pretreated with or without CHX 2%. In run 1, interfaces were made with gaps of 30, 60, or 90 µm. Interfaces with composite placed directly onto the dentin were either bonded (Adper Single Bond 2) or not bonded. In run 2, interfaces were made with gaps of 100 µm, with or without adhesive on the composite side (CLEARFIL SE Bond)...
July 18, 2018: Caries Research
Ann-Catrin André Kramer, Aldina Pivodic, Magnus Hakeberg, Anna-Lena Östberg
The objective was to investigate the variability in dental caries experience in Swedish children and adolescents, at two different area levels: dental clinics and SAMS (small areas for market statistics), with respect to multiple individual socioeconomic factors (SES). Records of manifest caries using the DMFT indices (decayed, missing, filled teeth, dependent variables) were collected from electronic dental records for 300,988 individuals aged 3-19 years (97.3% coverage) from the Region Västra Götaland, Sweden...
July 12, 2018: Caries Research
Kyungsun Kim, Jung-Sub An, Bum-Soon Lim, Sug-Joon Ahn
Bisphenol A glycidyl methacrylate (bis-GMA), which is released into the oral environment by dental composites through incomplete polymerization, hydrolysis, and mechanical degradation, can significantly influence oral ecology around resin-based materials. The purpose of this study was to investigate how bis-GMA changes the virulence properties of Streptococcus mutans, a major cariogenic bacterium in humans. The results show that bis-GMA not only inhibited the planktonic growth of cells in medium containing glucose, fructose, or mannose, but also reduced the viability of S...
June 29, 2018: Caries Research
Ramiro J Castro, Rodrigo A Giacaman, Rodrigo A Arthur, Marisa Maltz
The aim of this study was to evaluate the cariogenicity of a milk-based drink intended for older adults that was used as part of a governmental initiative in Chile to improve their nutritional conditions. This drink contains a high concentration of sugars, which can contribute to root caries development. To test this hypothesis, an experimental biofilm/caries model was used. Dentin slabs were used to grow biofilms of Streptococcus mutans UA159. Slabs/biofilms were exposed 3× per day to bovine milk with different fat content, the milk-based drink, and the milk-based drink supplemented with 10 g of sucrose added per serving...
June 26, 2018: Caries Research
Alaa BaniHani, Chris Deery, Jack Toumba, Monty Duggal
BACKGROUND: Over the last years, conventional restorations for the treatment of active carious lesions (CL) in primary teeth have been challenged and a more biological approach has been suggested. This approach involves less invasive techniques that alter the environment of the CL isolating it from the cariogenic biofilm and substrate. AIM: To investigate the cost-effectiveness and patient acceptance of 2 treatment approaches for the treatment of deep CLs in primary teeth in children...
June 25, 2018: Caries Research
Mohammad Javad Mokhtari, Fatemeh Koohpeima, Feyzollah Hashemi-Gorji
This case-control study aimed to investigate the effect of rs11003125 in dental caries. For this purpose, a total number of 404 individuals - from Fars Province in Iran - were studied. The technique of this research was the tetra-primer amplification-refractory mutation system (ARMS)-PCR. Dental caries prevalence among the 404 individuals was assessed by counting the number of decayed, missing, and filled teeth. In this research, individuals were divided into two groups: cases (n = 238) and controls (n = 166), and the peripheral blood samples were used to extract the genomic DNA...
June 14, 2018: Caries Research
Viivi Karoliina Alaraudanjoki, Salla Koivisto, Paula Pesonen, Minna Männikkö, Jukka Leinonen, Leo Tjäderhane, Marja-Liisa Laitala, Adrian Lussi, Vuokko Anna-Marketta Anttonen
Erosive tooth wear is defined as irreversible loss of dental tissues due to intrinsic or extrinsic acids, exacerbated by mechanical forces. Recent studies have suggested a higher prevalence of erosive tooth wear in males, as well as a genetic contribution to susceptibility to erosive tooth wear. Our aim was to examine erosive tooth wear by performing a genome-wide association study (GWAS) in a sample of the Northern Finland Birth Cohort 1966 (n = 1,962). Erosive tooth wear was assessed clinically using the basic erosive wear examination...
June 13, 2018: Caries Research
Valerie Steiger-Ronay, Sibel Tektas, Thomas Attin, Adrian Lussi, Klaus Becker, Daniel B Wiedemeier, Barbara Beyeler, Thiago S Carvalho
The aim of this in vitro study was to investigate the impact of saliva on the abrasion of eroded enamel using two measuring methods. A total of 80 bovine enamel specimens from 20 bovine incisors were allocated to four experimental groups (n = 20 specimens per group). After baseline surface microhardness (SMH) measurements and profilometry all specimens were subjected to erosion (2 min, 1% citric acid, pH: 3.6, 37°C). SMH was determined again, and the depths of the Knoop indentations were calculated. Thereafter, specimens were incubated in human saliva (group 1 - no incubation/control, group 2 - 0...
June 7, 2018: Caries Research
Carolina V Lima, Livia M A Tenuta, Jaime A Cury
Knowledge about fluoride delivery to oral fluids from foods cooked with fluoridated water and salt is scarce, and no study has evaluated fluoride concentrations in saliva or biofilm during meal consumption. In this randomized double-blind crossover study, 12 volunteers ingested meals (rice, beans, meat, and legumes) prepared with nonfluoridated water and salt (control group), fluoridated water (0.70 mg F/L; water group), and fluoridated salt (183.7 mg F/kg; salt group). Whole saliva was collected before meal ingestion, during mastication, and up to 2 h after meal ingestion...
June 7, 2018: Caries Research
Manuela S Spinola, Diego Figueiredo Nóbrega, Altair Antoninha Del Bel Cury, Antonio Pedro Ricomini Filho, Jaime Aparecido Cury, Livia Maria Andaló Tenuta
Extracellular polysaccharides (EPS) could increase the penetration of fluoride through dental biofilm, reducing its cariogenicity. We measured the concentration of fluoride in EPS-containing (EPS+) or not-containing (EPS-) Streptococcus mutans bacterial pellets resembling test biofilms, before and up to 60 min after a 0.05% NaF rinse in situ. Fluoride penetration and clearance were higher in EPS+ bacterial pellets. The data suggest that EPS enhances fluoride penetration, but also accelerates fluoride clearance from dental biofilms...
June 6, 2018: Caries Research
Rayssa Ferreira Zanatta, Daniele Mara da Silva Ávila, Karen Mayumi Miyamoto, Carlos Rocha Gomes Torres, Alessandra Bühler Borges
This study investigated the effect of surfactants associated with sodium fluoride (NaF) on enamel erosion prevention, using an erosion-remineralization in vitro model. Sodium lauryl sulfate (SLS), polysorbate 20 (P20), and cocoamidopropyl betaine (CAPB) were tested, at concentrations of 1.0 and 1.5%, and associated or not with NaF (275 ppm). The control groups were distilled water and the NaF solution. Bovine enamel samples (n = 12) were prepared and submitted to a 5-day cycling model: acid challenge (0.3% citric acid, pH 2...
June 6, 2018: Caries Research
Branca Heloisa Oliveira, Anjana Rajendra, Analia Veitz-Keenan, Richard Niederman
OBJECTIVES: To investigate whether silver diamine fluoride (SDF) is effective in preventing new caries lesions in primary teeth when compared to placebo or active treatments. METHODS: Systematic review (CRD42016036963) of controlled clinical trials. Searches were performed in 9 electronic databases, 5 registers of ongoing trials, and reference lists of identified review articles. Two researchers carried out data extraction and quality appraisal independently. The primary outcome was the difference in caries increment (decayed, missing, and filled surfaces or teeth - dmfs or dmft) between SDF and control groups...
June 6, 2018: Caries Research
Diego Figueiredo Nóbrega, Tarcísio Jorge Leitão, Jaime Aparecido Cury, Livia Maria Andaló Tenuta
It has been suggested that fluoride binding to dental biofilm is enhanced when more bacterial calcium binding sites are available. However, this was only observed at high calcium and fluoride concentrations (i.e., when CaF2 precipitation may have occurred). We assessed fluoride binding to Streptococcus mutans pellets treated with calcium and fluoride at concentrations allowing CaF2 precipitation or not. Increasing calcium concentration resulted in a linear increase (p < 0.01) in fluoride concentration only in the pellets in which CaF2 precipitated...
June 6, 2018: Caries Research
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