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Journal of Dentistry

Maristela Dutra-Correa, Alessandra A B V Leite, Sueli P H M de Cara, Ivana M A Diniz, Marcia M Marques, Ivana B Suffredini, Marina S Fernandes, Sergio H Toma, Koiti Araki, Igor S Medeiros
OBJECTIVES: To evaluate the antibacterial effects, cytotoxicity and microtensile bond strength of an adhesive containing low concentrations of silver nanoparticles (NAg). METHODS: Various concentrations of NAg (50, 100, 150, 200 and 250 ppm) were incorporated into the primer of the Scotchbond Multi-Purpose adhesive system (SBMP). Antibacterial activity was examined using a broth microdilution assay to determine minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), agar diffusion assay and the MTT assay was used to examine the biofilm metabolic activity (S...
July 13, 2018: Journal of Dentistry
Chirayu Ruengrungsom, Joseph E A Palamara, Michael F Burrow
OBJECTIVES: To review the clinical performance of GIC restorations using calculated annual failure rates and qualitative descriptions based on conventional and ART techniques from two aspects: occlusal and approximal cavities in permanent or deciduous posterior teeth. SOURCES: Search strategies was undertaken of the PubMed database from January 1983 to March 2018. Additional articles were collected by hand searching. STUDY SELECTION: The following basic search terms, "(glass ionomer cement) and (clinical performance or survival or ART or atraumatic restorative or high viscosity)" with inclusion and exclusion criteria according to PRISMA flow diagram...
July 11, 2018: Journal of Dentistry
Yuanyuan Li, Fan Yu, Lina Niu, Yong Long, Franklin R Tay, Jihua Chen
OBJECTIVES: To examine the relation between bruxism and gastroesophageal reflux disease (GERD) and the contribution of depression, anxiety and impaired sleep quality to that association. METHODS: A three-centre case-control study was conducted consisting of 887 consecutive clinically-diagnosed bruxism patients aged 18-75 years and 887 matched controls. Diagnosis of GERD was based on the Montreal definition: moderate/severe symptoms ≥ one day/week or mild symptoms ≥ two days/week...
July 11, 2018: Journal of Dentistry
Túlio Eduardo Nogueira, Fernanda Maria Oliveira Aguiar, Shahrokh Esfandiari, Cláudio Rodrigues Leles
OBJECTIVE: This randomized clinical trial (RCT) aimed to assess the 1-year effectiveness of single-implant mandibular overdentures (SIMO) compared to conventional complete dentures (CCD). METHODS: In the first phase of the study, participants received new maxillary and mandibular CCDs. Then, they were randomly allocated to one of the study groups (CCD or SIMO). Participants in SIMO group received an external hexagon implant in the mandibular midline, with the immediate connection of an O-Ring/ball attachment...
July 10, 2018: Journal of Dentistry
Falk Schwendicke, Michael Stolpe
OBJECTIVES: Root-canal treated molars can be directly restored, usually using resin-bonded-composite restorations (RBCs), or indirectly restored using full or partial crowns (FCs/PCs). Both the initial treatment costs and the risks of restorative and endodontic complications differ between RBCs and FCs/PCs. We aimed to assess the cost-effectiveness of RBCs versus FCs/PCs for restoring root-canal treated molars. METHODS: A mixed public-private payer's perspective within German healthcare was taken...
July 10, 2018: Journal of Dentistry
Wafa A Kashbour, Nikki S Rousseau, J Mark Thomason, Janice S Ellis
OBJECTIVES: To explore 1) the approaches that are adopted by clinicians to give patients information in relation to dental implant treatment during clinical consultations; 2) clinicians' reflections on their current practices of implant information provision; and 3) clinicians' suggestions to improve future implant information provision. METHODS: A qualitative study employing face-to-face semi-structured interviews with eight clinicians working in UK secondary dental care...
July 9, 2018: Journal of Dentistry
Cácia Signori, Mark Laske, Fausto M Mendes, Marie-Charlotte D N J M Huysmans, Maximiliano S Cenci, Niek J M Opdam
OBJECTIVE: The aim of this study was to compare decision-making based on bitewing analysis of restored proximal surfaces by general dental practitioners (GDPs) with diagnossis and clinical decisions made by experts in cariology and restorative dentistry. METHODS: This practice-based study used a database of 7 general dental practices. Posterior bitewing radiographs were selected from the electronic patient files of patients, and 770 cases of proximal restored surfaces were selected...
July 9, 2018: Journal of Dentistry
Gunilla Pousette Lundgren, Gun-Inger Morling Vestlund, Göran Dahllöf
OBJECTIVES: Amelogenesis imperfecta (AI) is a rare, genetically determined defect in enamel mineralization. Several problems are associated with AI: hypersensitivity, wear, restorations requiring replacement, gingivitis, aesthetic problems, and social avoidance. We conducted a randomized controlled trial of crown therapy in young individuals with AI showing excellent results. This study reports results from a long-term-follow-up with focus on quality, longevity and adverse events. METHODS: The RCT included 27 patients (aged 11-22 years) with severe AI in need of crown therapy and used a split-mouth technique...
July 9, 2018: Journal of Dentistry
Qianqian Pan, Stephen Westland, Roger Ellwood
OBJECTIVES: To evaluate the performance of existing equations that measure perceptual whiteness of teeth. METHODS: Three new psychophysical experiments were conducted and combined with two previously published experiments to form a large set of data to test performance of whiteness indices. Three whiteness indices (WIC, WIO, WID ,) were compared with regard to their ability to measure perceived whiteness. Coefficient of determination (r2 ) and '% wrong decisions' were used as measures of performance...
July 7, 2018: Journal of Dentistry
Nicola X West, Joon Seong, Nicola Hellin, Emma L Macdonald, Siân B Jones, Jonathan E Creeth
OBJECTIVES: To evaluate the ability of a modified in situ model to differentiate dentinal tubule occlusion properties of toothpaste formulations over 10 days of treatment. METHODS: This was a single-centre, three-treatment period, crossover, randomised, single-blind study with healthy participants wearing two lower oral appliances, each retaining four dentine samples, for 10 treatment days during each period of the study. Samples were power-brushed ex vivo twice on each treatment day with a Test toothpaste containing 0...
July 5, 2018: Journal of Dentistry
Krois Joachim, Göstemeyer Gerd, Reda Seif, Schwendicke Falk
No abstract text is available yet for this article.
June 30, 2018: Journal of Dentistry
Bernadette A M M Sterenborg, Stanimira I Kalaykova, Bas A C Loomans, Marie-Charlotte D N J M Huysmans
OBJECTIVE: Masticatory performance is influenced by a number of variables such as age, gender, bite force, and occlusal units. Tooth wear may also play a role due to changes in occlusal area and in vertical dimension of occlusion. The aim of this study was to evaluate the effect of tooth wear on masticatory performance, using a communition test. MATERIALS AND METHODS: Patients with different degrees of tooth wear, referred by their general dental practitioners, and included in the Radboud Tooth Wear Project, were approached for this study and included after informed consent...
June 27, 2018: Journal of Dentistry
Cecília Alves de Sousa, Cleidiel Aparecido Araújo Lemos, Joel Ferreira Santiago, Leonardo Perez Faverani, Eduardo Piza Pellizzer
OBJECTIVES: This systematic review and meta-analysis aimed to answer the PICO question: "Do patients who have received bone grafts with bone substitute (biomaterials) present bone gain (before implant installation), complications, and implant survival rates similar to autogenous grafts when used in the posterior mandible region?". DATA: This review followed the PRISMA statement and has been registered at PROSPERO (CRD42016048471). Studies published in English, randomized controlled and/or prospective clinical trials with at least 10 patients, and studies that compared grafts with bone substitutes to autogenous bone grafts (split-mouth design) were included...
June 26, 2018: Journal of Dentistry
Mateus Cardoso Pereira, Fernanda Weber Mello, Dayane Machado Ribeiro, André Luís Porporatti, Sylvio da Costa, Carlos Flores-Mir, Silvia Gianoni Capenakas, Kamile Leonardi Dutra
OBJECTIVES: To answer the focused question, "What are the prevalence of percutaneous injuries (PIs) on dentists, the location with the highest prevalence, and the dental instrument most responsible for these injuries?" As secondary outcomes, the prevalence by geographic location, type of PI, sex distribution, and dentist's specialty were also considered. ELIGIBILITY CRITERIA: Observational descriptive studies investigating the prevalence of percutaneous injuries on dentists were included...
June 26, 2018: Journal of Dentistry
Daniela Navarro Ribeiro Teixeira, Livia Fávaro Zeola, Alexandre Coelho Machado, Rafaella Rodrigues Gomes, Paola Gomes Souza, Danilo Cangussu Mendes, Paulo Vinícius Soares
OBJECTIVES: The aim of this study was to evaluate the risk factors associated with noncarious cervical lesions (NCCLs), cervical dentin hypersensitivity (CDH), and gingival recession (GR), besides the relationship among these conditions in a specific Brazilian sample population. METHODS: 185 patients who attended the "Ambulatory Program for Rehabilitation of Patients with Noncarious Cervical Lesions and Cervical Dentin Hypersensitivity" were evaluated, and 5180 teeth were analyzed...
June 22, 2018: Journal of Dentistry
Hani M Nassar, Frank Lippert, George J Eckert, Anderson T Hara
OBJECTIVES: To investigate the interplay among brushing frequency, dentifrice slurry abrasivity, and fluoride content on the surface loss (SL) of incipient enamel caries-like lesions. METHODS: Lesions were created in 96 bovine enamel specimens (5 × 5 mm) using methylcellulose acid gel. Specimens were randomly allocated to 12 groups (n = 8), resulting from the association of three experimental factors: (1) slurry abrasive level [low: REA = 4/RDA = 69 and high: REA = 7/RDA = 208], (2) fluoride concentration [275 and 1,250 ppm F as NaF], and (3) brushing frequency [1, 2 and 3× daily]...
June 22, 2018: Journal of Dentistry
Ninuk Hariyani, Dini Setyowati, John Spencer, Liana Luzzi, Loc Giang Do
OBJECTIVES: Previous meta-analyses of root caries incidence and increment studies reported different estimates due to the limited number of studies, heterogeneity and variations in studies included. Currently, new publications and approaches to handle heterogeneity are available. This research aims to systematically review and meta-analyse root caries incidence and increment, and use meta-regression to analyse heterogeneity. SOURCES: PUBMED and EMBASE databases were searched systematically...
June 21, 2018: Journal of Dentistry
Matej Par, Zrinka Tarle, Reinhard Hickel, Nicoleta Ilie
OBJECTIVES: To investigate the polymerization kinetics and the degree of conversion (DC) of experimental resin composites with varying amount of bioactive glass 45S5 (BG). METHODS: Experimental resin composites based on a photo-curable Bis-GMA/TEGDMA resin system were prepared. The composite series contained 0, 5, 10, 20, and 40 wt% of BG and reinforcing fillers up to the total filler amount of 70 wt%. Composite specimens were light cured with 1,219 mW/cm2 for 20 or 40 s and their DC was monitored during 5 min at the data collection rate of 2 s-1 using attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR)...
June 21, 2018: Journal of Dentistry
Mohammed Na Bijle, Ekambaram Manikandan, Cm Lo Edward, Ky Yiu Cynthia
OBJECTIVE(S): This study examined the remineralization potential of arginine (Arg) in NaF toothpaste. METHODS: Fifty enamel specimens allocated to five groups (n = 10) were subjected to artificial caries formation. A 10-day pH-cycling was performed to treat specimens as per group - [1]: 2% Arg - NaF, [2]: 4% Arg - NaF, [3]: 8% Arg - NaF, [4]: NaF and [5]: deionized water. The test solutions were subjected to pH measurement, fluoride estimation, Na-Cl element analysis using ICP-EOS and FTIR analyses...
June 21, 2018: Journal of Dentistry
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