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Journal of Dentistry

Ningxin Zhu, Xanthippi Chatzistavrou, Lihong Ge, Man Qin, Petros Papagerakis, Yuanyuan Wang
Dental caries is a bacteria-caused condition classified among the most common chronic diseases worldwide. Treatment of dental caries implies the use of materials having regenerative and anti-bacterial properties, and controlling inflammation is critical for successful endodontic regeneration. OBJECTIVES: The aim of this study was to fabricate and characterize a novel composite incorporating sol-gel derived silver-doped bioactive glass (BG) in a chitosan (CS) hydrogel at a 1:1 weight ratio(Ag-BG/CS)...
February 15, 2019: Journal of Dentistry
Rita Bagga, Nigel D Robb, Michael R Fenlon
OBJECTIVES: To investigate the prevalence of Combination Syndrome, and to investigate if provision of a mandibular removable partial denture has any influence on the prevalence of Combination Syndrome. METHOD: Patients attending Kings College London Dental Institute, Guys Hospital who wore maxillary conventional complete dentures opposing mandibular anterior teeth only, with or without mandibular partial dentures were examined by one examiner. Oral health, residual alveolar ridge and denture quality were assessed...
February 12, 2019: Journal of Dentistry
Mario F Gutiérrez, Luisa F Alegría-Acevedo, Luján Méndez-Bauer, Jorge Bermudez, Andrés Dávila-Sánchez, Sonja Buvinic, Nadia Hernández-Moya, Alessandra Reis, Alessandro D Loguercio, Paulo V Farago, Javier Martin, Eduardo Fernández
OBJECTIVES: To evaluate the effect of addition of zinc oxide and copper nanoparticles (ZnO/CuNp) into universal adhesives, on antimicrobial activity (AMA), cytotoxicity (CTX), water sorption (WS) and solubility (SO), microhardness (MH) and in vitro degree of conversion (DC), as well as resin-dentine microtensile bond strength (μTBS), nanoleakage (NL) and in situ DC. METHODS: ZnO/CuNp (0% [control]; 5/0.1 and 5/0.2 wt%) were added in Prime&Bond Active (PBA) and Ambar Universal (AMB)...
February 7, 2019: Journal of Dentistry
M Ferrari, Cagidiaco E Ferrari, C Goracci, R Sorrentino, F Zarone, S Grandini, Tim Joda
OBJECTIVES: The objective of this randomized controlled trial was to assess the influence of use of posts as well as the type of posterior tooth (premolars vs molars) for the treatment with lithium disilicate (LS2) partial crowns. MATERIALS AND METHODS: A total of 60 patients were treated with posterior LS2 partial crowns. Two groups (n = 60) were made based on the type of restored tooth: Group 1, premolars and Group 2, molars. The samples of each group were divided into 2 subgroups (n = 30): Subgroup A restored with fiber posts and Subgroup B without them...
February 1, 2019: Journal of Dentistry
Rafaela Bassani, Gabriel Kalil Rocha Pereira, Matthew J Page, Andrea C Tricco, David Moher, Rafael Sarkis-Onofre
OBJECTIVE: This study aimed to evaluate the epidemiological and reporting characteristics of systematic reviews (SRs) in dentistry indexed within PubMed during the year 2017. METHODS: We searched for SRs in dentistry indexed within PubMed in 2017. Study selection was undertaken by two reviewers independently. Data related to epidemiological and reporting characteristics were extracted by one of three reviewers. A descriptive analysis of the data was performed. Characteristics of SRs were analyzed considering all SRs included and subgrouped by dental specialties...
February 1, 2019: Journal of Dentistry
Akiko Shimada, Eduardo E Castrillon, Peter Svensson
OBJECTIVES: Sleep bruxism (SB), characterized by repetitive jaw-muscle activity during sleep, is often suggested as a cause of temporomandibular disorders (TMD), orofacial pain, and headache. This study aimed to challenge the relationship between jaw-muscle electromyographic (EMG) activity during sleep and jaw muscle symptoms including pain by modulation of the levels of EMG activity. Contingent electrical stimulation (CES) using a portable single-channel EMG device was applied at different stimulus intensities to inhibit jaw muscle activity...
February 1, 2019: Journal of Dentistry
Qin Sun, Boran Zhang, Wei Zhu, Wei Wei, Jingzhi Ma, Franklin R Tay
OBJECTIVES: Osteoclast differentiation is regulated by transcriptional, post-transcriptional and post-translational mechanisms. Micro-ribonucleic acids (miRNAs) are 20-24 nucleotides long non-coding RNAs involved in post-translational regulation of gene expressions during osteoclast differentiation. The objective of the present study was to investigate the role played by the miRNA, miR-338-3p, in osteoclastogenesis. METHODS: Osteoclastogenesis was induced in murine RAW264...
February 1, 2019: Journal of Dentistry
Yuriko Komagamine, Manabu Kanazawa, Yusuke Sato, Maiko Iwaki, Ayami Jo, Shunsuke Minakuchi
OBJECTIVES: To compare the effect of conventional complete dentures fabricated using two different impression methods on masticatory performance and factors relating to masticatory performance in a randomized controlled trial. METHODS: A crossover randomized controlled trial was performed with edentulous patients requiring maxillomandibular complete dentures. Mandibular complete dentures were fabricated using two different methods. The conventional method (C) used a custom tray border molded with an impression compound and a silicone...
January 31, 2019: Journal of Dentistry
Anastasios Plessas, Mona Nasser, Yaniv Hanoch, Timothy O'Brien, Maria Bernardes Delgado, David Moles
OBJECTIVES: Although stress is prevalent amongst dentists, there is a paucity of data on the impact of stressors on dentists' clinical performance. To address this gap in the literature, the aim of the present study was to explore the role of time pressure, representing one common stressor, on dentists' radiographic diagnostic performance. METHODS: Forty dentists were randomised to examine and provide a radiographic report on two sets of radiographs (six bitewings in each set) under two conditions on a cross-over basis: time-pressure vs...
January 31, 2019: Journal of Dentistry
Joht Singh Chandan, Tom Thomas, Caroline Bradbury-Jones, Julie Taylor, Siddhartha Bandyopadhyay, Krishnarajah Nirantharakumar
OBJECTIVE: To assess the relationship between Intimate partner violence (IPV) (a highly prevalent form of domestic abuse) with the subsequent development of Temporomandibular joint disorder (TMD). METHODS: A retrospective open cohort study using a UK primary care database was undertaken. 18,547 women exposed to IPV were matched by age to 74,188 unexposed women. Defined through clinical codes the outcome of interest was TMD, and adjusted incidence rates (aIRR) were used to describe the relationship after considering covariates of interest...
January 30, 2019: Journal of Dentistry
Constanze Hirsiger, Patrick Roger Schmidlin, Mary Michaelis, Christian Hirsch, Thomas Attin, Christian Heumann, Sophie Doméjean, Christian Ralf Gernardt
OBJECTIVES: To assess the efficacy of 8% arginine containing prophylaxis products over 24 weeks in subjects with dentin hypersensitivity (DH). METHODS: 297 patients with established DH (Schiff score 2, 3) in three European study centers were randomly assigned to either 8% arginine and calcium carbonate in-office prophylaxis paste and the respective toothpaste (test group) or fluoride-free prophylaxis paste and sodium monoflourophosphate toothpaste as a negative control group...
January 30, 2019: Journal of Dentistry
Roisin S Parahoo, Cheirth J Semple, Simon Killough, Eilís McCaughan
OBJECTIVES: To explore the experience among patients with multiple dental loss as a consequence of treatment for head and neck cancer METHODS: Semi-structured qualitative interviews were conducted with a purposive sample of fifteen people with head and neck cancer, who had multiple teeth removed as part of their tumour resection or extracted pre-radiotherapy. The interviews were digitally recorded and transcribed for analysis by two researchers, independently. RESULTS: The interview data were categorized into four themes: 1...
January 30, 2019: Journal of Dentistry
Tomoko Ishiguro, Gen Mayanagi, Marika Azumi, Haruki Otani, Azusa Fukushima, Keiichi Sasaki, Nobuhiro Takahashi
OBJECTIVES: This study aimed to evaluate whether coating tooth surfaces with sodium fluoride (NaF) or silver diamine fluoride (SDF) inhibits bacteria-induced pH reductions at the bacteria/tooth interface. METHODS: Specimens of coronal enamel (CE) or root dentin (RD) were prepared. The surfaces of the specimens were treated with 2% NaF or 38% SDF solution. Some specimens were aged for 1 week after being treated. A tooth specimen was fixed to the bottom of the well of the experimental apparatus...
January 29, 2019: Journal of Dentistry
Allegra Comba, Nicola Scotti, Annalisa Mazzoni, Tatjana Maravic, Sandra Ribeiro Cunha, Riccardo Michelotto Tempesta, Massimo Carossa, David H Pashley, Franklin R Tay, Lorenzo Breschi
No abstract text is available yet for this article.
January 25, 2019: Journal of Dentistry
Carolina Loch, Yuwen Liaw, Atikah Pg Metussin, Christopher Lynch, Nairn Wilson, Igor R Blum, Paul A Brunton
OBJECTIVE: To investigate current teaching and operative techniques of posterior composite restorations in dental schools in Oceania (Australia, New Zealand, Fiji and Papua New Guinea). METHODS: A 24-item validated questionnaire including closed and open questions was mailed to the Heads of Department of Operative/Restorative Dentistry in 16 dental schools. Responses were compiled in Excel and analyzed. RESULTS: The response rate of this study was of 94% (n = 15)...
January 25, 2019: Journal of Dentistry
Nicole Passia, Stefan Wolfart, Matthias Kern
OBJECTIVES: The aim of this prospective pilot study was to evaluate the concept of one single implant placed in the edentulous mandible to retain a complete denture with regard to implant survival and prosthodontic maintenance over an observation period of 10 years. MATERIALS AND METHODS: Eleven edentulous patients were included and received one implant in the midline of the mandible. Five implants healed submerge and were uncovered 2 months later. The other six healed un-submerged and were provided with a healing abutment 4 mm in height thus moderately loaded...
January 25, 2019: Journal of Dentistry
Bernadette A M M Sterenborg, Stanimira I Kalaykova, Bas A C Loomans, Marie-Charlotte D N J M Huysmans
No abstract text is available yet for this article.
January 14, 2019: Journal of Dentistry
Livia Favaro Zeola, Paulo Vinícius Soares, Joana Cunha-Cruz
OBJECTIVES: The purpose of this study was to estimate the prevalence of dentin hypersensitivity in various populations. SOURCES: Four electronic databases (Medline via PubMed, Cochrane Library, Wiley Online Library and Web of Science) were searched until June 2018. STUDY SELECTION: Cross-sectional studies on the prevalence of dentin hypersensitivity were included. Meta-analysis were conducted and meta-regression models were used to explain the variation of the prevalence measures...
January 10, 2019: Journal of Dentistry
Wedad Hammoudi, Mats Trulsson, Jan-Ivan Smedberg, Peter Svensson
OBJECTIVES: Explore a new approach to identify phenotypes of tooth wear (TW) patients using an unsupervised cluster analysis model, based on demographic, self-report, clinical, salivary and electromyographic (EMG) findings. METHODS: Data was collected for 34 variables from 125 patients, aged 17-65 years, with a TW index > grade 2. Demographic information and presumed risk factors for chemical and mechanical TW were collected. A 14-item stress scale was completed and salivary flow rates, pH and buffer capacity were measured...
January 8, 2019: Journal of Dentistry
Cácia Signori, Mark Laske, Ewald M Bronkhorst, Marie-Charlotte D N J M Huysmans, Maximiliano S Cenci, Niek J M Opdam
OBJECTIVE: This prospective study investigated how individual patient risk factors impacted non-operative and operative treatment decisions in a dental practice-based research network in The Netherlands. METHODS: Data from were collected from 11 dental practices, whose patients visited the practice at least once during the observation period (January 2015 to September 2017). Descriptive analysis was performed, followed by multiple logistic regression. RESULTS: The records of 39,690 patients were analyzed...
January 4, 2019: Journal of Dentistry
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