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https://www.readbyqxmd.com/read/29783786/graphene-based-nanomaterials-for-tissue-engineering-in-the-dental-field
#1
REVIEW
Riccardo Guazzo, Chiara Gardin, Gloria Bellin, Luca Sbricoli, Letizia Ferroni, Francesco Saverio Ludovichetti, Adriano Piattelli, Iulian Antoniac, Eriberto Bressan, Barbara Zavan
The world of dentistry is approaching graphene-based nanomaterials as substitutes for tissue engineering. Apart from its exceptional mechanical strength, electrical conductivity and thermal stability, graphene and its derivatives can be functionalized with several bioactive molecules. They can also be incorporated into different scaffolds used in regenerative dentistry, generating nanocomposites with improved characteristics. This review presents the state of the art of graphene-based nanomaterial applications in the dental field...
May 20, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29782890/novel-dental-adhesive-resin-with-crack-self-healing-antimicrobial-and-remineralization-properties
#2
Shichao Yue, Junling Wu, Qiang Zhang, Ke Zhang, Michael D Weir, Satoshi Imazato, Yuxing Bai, Hockin H K Xu
OBJECTIVES: Secondary caries at the tooth-restoration margins is a primary reason for restoration failure. Cracks at the margins lead to leakage which can trap bacteria, producing acids to cause caries. To date, there has been no report on developing an adhesive resin that has self-healing, antibacterial and remineralizing capabilities. The objectives of this study were to: (1) develop the first self-healing adhesive with antimicrobial and remineralizing capabilities, and (2) investigate the effects of incorporating microcapsules, dimethylaminohexadecyl methacrylate (DMAHDM) and nanoparticles of amorphous calcium phosphate (NACP) for the first time...
May 18, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29782222/clinical-effectiveness-of-a-resin-modified-glass-ionomer-cement-and-a-mild-one-step-self-etch-adhesive-applied-actively-and-passively-in-noncarious-cervical-lesions-an-18-month-clinical-trial
#3
M Jassal, S Mittal, S Tewari
OBJECTIVES: To evaluate the clinical effectiveness of two methods of application of a mild one-step self-etch adhesive and composite resin as compared with a resin-modified glass ionomer cement (RMGIC) control restoration in noncarious cervical lesions (NCCLs). METHODS: A total of 294 restorations were placed in 56 patients, 98 in each one of the following groups: 1) G-Bond active application combined with Solare-X composite resin (A-1SEA), 2) G-Bond passive application combined with Solare-X composite resin (P-1SEA), and 3) GC II LC RMGIC...
May 21, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29780246/remineralization-potential-of-nano-hydroxyapatite-on-enamel-and-cementum-surrounding-margin-of-computer-aided-design-and-computer-aided-manufacturing-ceramic-restoration
#4
Niwut Juntavee, Apa Juntavee, Preeyarat Plongniras
Objective: This study investigates the effects of nano-hydroxyapatite (NHA) gel and Clinpro (CP) on remineralization potential of enamel and cementum at the cavosurface area of computer-aided design and computer-aided manufacturing ceramic restoration. Materials and methods: Thirty extracted human mandibular third molars were sectioned at 1 mm above and below the cemento-enamel junction to remove the cemento-enamel junction portions and replaced them with zirconia ceramic disks by bonding them to the crown and root portions with resin cement...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29768091/effect-of-830-nm-diode-laser-irradiation-of-root-canal-on-bond-strength-of-metal-and-fiber-post
#5
Claudia Strefezza, Marcello Magri Amaral, José Quinto, Sheila Cynthia Gouw-Soares, Claudia Bianchi Zamataro, Denise Maria Zezell
OBJECTIVE AND BACKGROUND: The correct selections of the cementing agent, the endodontic post material and placement protocol are critical to provide an increased longevity of the teeth that went through endodontic treatment. The irradiation with diode laser before post cementation, can promote an antimicrobial effect. However, there is a lack of information about the effect of 830 nm diode laser on the post bond strength. This study analyzed the effect of dentin root canal irradiation with high-intensity diode laser, at 830 nm, operating in continuous or pulsed mode, on the retention of metal or fiber posts, cemented with self-etching resinous composite (Panavia F) and zinc phosphate cement (ZnPO4 )...
May 16, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29767382/direct-pulp-capping-in-primary-molars-using-a-resin-modified-portland-cement-based-material-theracal-compared-to-mta-with-12-month-follow-up-a-randomised-clinical-trial
#6
L Erfanparast, P Iranparvar, A Vafaei
AIM: This study was to compare the success of resin-modified Portland cement-based material (TheraCal) with MTA in direct pulp capping (DPC) of primary molars. METHODS: Symmetrical bilateral primary molars (92) from 46 healthy subjects aged 5-7 years were included in this split-mouth randomised clinical trial. DPC for small non-contaminated pulp exposures using either TheraCal or MTA were randomly performed in symmetrical molars. Thereafter, teeth were restored with amalgam...
May 16, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29766651/adhesive-silane-application-effects-on-bond-strength-durability-to-a-lithium-disilicate-ceramic
#7
Jose C Romanini-Junior, Rose Y Kumagai, Luiz F Ortega, Jose A Rodrigues, Alessandra Cassoni, Ronaldo Hirata, Andre F Reis
OBJECTIVE: To test the effects of different adhesive protocols and silane application on the adhesive durability to a Lithium Disilicate reinforced glass ceramic. METHODS: Forty disks of 13 mm diameter (E.max Press) were used. After etching with 9.5% HF for 20 seconds, disks were randomly assigned into 4 groups according to the adhesive/silane protocol: silane application only (SIL); silane application followed by adhesive (SILXP-XP Bond); silane-containing adhesive (SBU-ScotchBond Universal); silane application followed by silane-containing adhesive (SILSBU)...
May 15, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29765899/the-effect-of-continuous-application-of-mdp-containing-primer-and-luting-resin-cement-on-bond-strength-to-tribochemical-silica-coated-y-tzp
#8
Myung-Jin Lim, Mi-Kyung Yu, Kwang-Won Lee
Objectives: This study investigated the effect of continuous application of 10-methacryloyloxydecyldihydrogen phosphate (MDP)-containing primer and luting resin cement on bond strength to tribochemical silica-coated yttria-stabilized tetragonal zirconia polycrystal (Y-TZP). Materials and Methods: Forty bovine teeth and Y-TZP specimens were prepared. The dentin specimens were embedded in molds, with one side of the dentin exposed for cementation with the zirconia specimen...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29763356/chairside-cad-cam-composite-onlays-for-the-restoration-of-primary-molars
#9
Elisabeth Dursun, Aude Monnier-Da Costa, Christian Moussally
After pulp therapy or with multi-surface caries in primary molars, pre-formed stainless steel crowns are usually placed to ensure tooth longevity. Esthetic alternatives, such as zirconia crowns, have been proposed, but they are invasive. Here we describe two cases of chairside computer-aided design and computer-aided manufacturing (CAD/CAM) technology used to treat extended and/or deep caries on primary molars. A powder-free chairside CAD/CAM system, a milling unit and machinable high-performance composite blocks were used...
May 15, 2018: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29762187/reliability-of-the-osstell-implant-stability-quotient-and-penguin-resonance-frequency-analysis-to-evaluate-implant-stability
#10
Gul Buyukguclu, Zeynep Ozkurt-Kayahan, Ender Kazazoglu
PURPOSE: To evaluate the reliability of the Osstell implant stability quotient (ISQ) and Penguin resonance frequency analysis (RFA) devices in measuring implant stability. MATERIALS AND METHODS: Forty implants were embedded in self-curing acrylic resin, soft-lining material, polyvinyl siloxane impression material, and polycarboxylate cement (n = 10). After the initial setting times were completed, the stability of each implant was measured with Osstell ISQ and Penguin RFA with 3 repeated measurements...
May 10, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29758364/effect-of-phototherapy-on-shear-bond-strength-of-resin-cements-to-zirconia-ceramics-a-systematic-review-and-meta-analysis-of-in-vitro-studies
#11
REVIEW
Khulud Abdulrahman Al-Aali
BACKGROUND: The present study systematically reviewed the literature to investigate the effect of phototherapy on the shear bond strength (SBS) of resin cement to zirconia ceramic. METHODS: electronic databases including MEDLINE (PubMed), ISI Web of Science, Scopus, ScIELO, LILACS and EMBASE until April 2018. The addressed focused question was: Does phototherapy increase the SBS of resin cement to zirconia ceramics?" RESULTS: A total of 8 in-vitro studies were included in the qualitative and quantitative analysis...
May 11, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29756132/comparison-between-five-cad-cam-systems-for-fit-of-zirconia-copings
#12
Syed Rashid Habib, Asim Khaled Al Otaibi, Talal Ali Al Anazi, Samer Mosleh Al Anazi
OBJECTIVE: The aim of this in-vitro study was to investigate the marginal and internal fit of zirconia copings fabricated by five CAD/CAM (computer-aided design/computer-assisted manufacture) systems. METHOD AND MATERIALS: A typodont mandibular right first molar was prepared according to ideal parameters for a zirconia crown, scanned digitally, and 100 identical resin dies fabricated by 3D printing. Samples were randomly divided into five groups and sent to CAD/CAM systems for zirconia copings (A, Ceramill-Motion 2, Amann Girrbach; B, Weiland, Ivoclar Vivadent; C, Cerec, Ivoclar Vivadent; D, Prettau Zirconia, Zirkonzahn; E, Cad4dent)...
2018: Quintessence International
https://www.readbyqxmd.com/read/29750232/in-vitro-evaluation-of-bond-strength-of-four-self-etching-cements
#13
Julio Chávez-Lozada, Carmen Urquía-Morales
Indirect restorations need to be attached with adhesive luting agents to prevent them from becoming dislodged and provide adequate marginal sealing. The aim of this study was to evaluate bond strength to dentin of self-etching resin cements. MATERIALS AND METHODS: 75 flat dentin surfaces were randomly distributed among 5 groups, according to cements used; Group 1: RelyxU100 (3M/ESPE), Group 2: Bis Cem (Bisco), Group 3: Max Cem (Kerr), Group 4: SeT PP (SDI) and Group 5: Relyx ARC (3M/ESPE), control...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29747911/evaluation-of-early-resin-luting-cement-damage-induced-by-voids-around-a-circular-fiber-post-in-a-root-canal-treated-premolar-by-integrating-micro-ct-finite-element-analysis-and-fatigue-testing
#14
Yen-Hsiang Chang, Hsuan-Wen Wang, Pei-Hsun Lin, Chun-Li Lin
OBJECTIVE: This study utilizes micro-CT image combined with finite element (FE) analysis and in vitro fatigue testing to investigate the mechanical behavior associating with early resin luting cement damage induced by voids around a circular fiber post in a root canal treated premolar. METHODS: Six similar mandibular first premolars with root canal treatment were scanned with high resolution micro-CT before and after fatigue testing. Micro-CT images of all teeth were processed to identify various materials (dentin, luting cement and void) to evaluate the volume/position of the void in each reconstructed tooth root canal model...
May 7, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29742263/doxycycline-containing-glass-ionomer-cement-for-arresting-residual-caries-an-in-vitro-study-and-a-pilot-trial
#15
Aline Rogéria Freire de Castilho, Cristiane Duque, Paula Fernanda Kreling, Jesse Augusto Pereira, Andreia Bolzan de Paula, Mario Alexandre Coelho Sinhoreti, Regina Maria Puppin-Rontani
In a previous study, we demonstrated that the incorporation of doxycycline hyclate (DOX) into resin-modified glass ionomer cement (RMGIC) inhibited important cariogenic microorganisms, without modifying its biological and mechanical characteristics. In this study, we keep focused on the effect of that experimental material as a potential therapy for arresting residual caries by analyzing other in vitro properties and conducting a pilot clinical trial assessing the in vivo effect of DOX-containing RMGIC on residual mutans streptococci after partial carious removal in primary molars...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29742232/can-low-fusing-glass-application-affect-the-marginal-misfit-and-bond-strength-of-y-tzp-crowns
#16
Monize Carelli Felipe Antunes, Jean Soares Miranda, Ronaldo Luís Almeida de Carvalho, Rodrigo Furtado de Carvalho, Estevão Tomomitsu Kimpara, Rodrigo Othávio de Assunção E Souza, Fabíola Pessôa Pereira Leite
To evaluate the effect of different surface treatments on the marginal misfit and retentive strength between Y-TZP crowns and an epoxy resin. Forty (40) epoxy resin (G10) abutments (height: 5mm, conicity: 60, finish line: large chamfer) with equal dimensions were milled and included in polyurethane to simulate the periodontal ligament. Next, 40 Y-TZP crowns (thickness: 1mm) were milled (Cerec in Lab) and randomly divided into four groups (n=10) according to the surface treatment: GS(glaze spray), GP(glaze powder/liquid), P(zirconia primer) and RS(tribochemical silica coating)...
2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29741784/a-survey-of-australian-prosthodontists-the-use-of-posts-in-endodontically-treated-teeth
#17
Raelene Sambrook, Michael Burrow
This study aimed to gain insight into common practices of Australian prosthodontists when placing a post in an endodontically treated tooth (ETT). A 17-question open- and closed- format questionnaire was sent to registered Australian prosthodontists. The response rate was 55% (n=95). The majority of respondents indicated the purpose of a post was to retain a core (n=94, 99%). The decision to place a post is affected by the quantity of remaining tooth structure (n=91, 96%) and the definitive restoration (n=68, 72%)...
May 9, 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29738286/self-limiting-versus-conventional-caries-removal-a-randomized-clinical-trial
#18
A H Ali, G Koller, F Foschi, M Andiappan, K D Bruce, A Banerjee, F Mannocci
A single-blind randomized controlled clinical trial in patients with deep caries and symptoms of reversible pulpitis compared outcomes from a self-limiting excavation protocol using chemomechanical Carisolv gel/operating microscope (self-limiting) versus selective removal to leathery dentin using rotary burs (control). This was followed by pulp protection with mineral trioxide aggregate (MTA) and restoration with glass ionomer cement and resin composite, all in a single visit. The pulp sensibility and periapical health of teeth were assessed after 12 mo, in addition to the differences in bacterial tissue concentration postexcavation...
May 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29736491/periodontal-evaluation-in-noncarious-cervical-lesions-restored-with-resin-modified-glass-ionomer-cement-and-resin-composite-a-randomised-controlled-study
#19
Renato Duarte de Carvalho, Camila de Oliveira Picado Nogueira, Alexandre Pires da Silva, Janaina Almeida Mesquita, Karla Haila Cortez Salgado, Maria Cristina Dos Santos Medeiros, Bruno César de Vasconcelos Gurgel
PURPOSE: To assess periodontal parameters of noncarious cervical lesions (NCCLs) restored with glass-ionomer cement (RM-GIC) and composite resin at baseline, three and six months. MATERIALS AND METHODS: Eighteen patients with bilateral lesions were included in the study. Lesions (1 mm in depth) were randomly restored with each type of restorative material. Probing depth (PD), relative gingival recession (rGR), relative clinical attachment level (rCAL), visible plaque index (VPI) and gingival bleeding index (GBI) were measured...
2018: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/29735163/glass-ionomer-cements-as-fissure-sealing-materials-yes-or-no-a-systematic-review-and-meta-analysis
#20
REVIEW
Mehrnoush Alirezaei, Ali Bagherian, Alireza Sarraf Shirazi
BACKGROUND: The aim of this systematic review and meta-analysis was to evaluate the ability of glass ionomer cements (GICs) and resin-based sealants (RBSs) to prevent the occurrence of caries and their retention in standards-based clinical studies. TYPES OF STUDIES REVIEWED: The authors conducted a literature search (from database inception through September 20, 2017) to identify studies for inclusion in this systematic review. The authors assessed the quality of the evidence with the modified Jadad scale and performed the meta-analysis by using a random-effects model...
May 4, 2018: Journal of the American Dental Association
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