keyword
https://read.qxmd.com/read/38129192/temperature-rise-in-photopolymerized-adhesively-bonded-resin-composite-a-thermography-study
#21
JOURNAL ARTICLE
Hamad Algamaiah, Jiawei Yang, Abdulaziz Alayed, Abdulrahman Alshabib, Abdullah Alshehri, David C Watts
OBJECTIVES: To assess visually and quantitatively the contributions of the adhesive layer photopolymerization and the subsequent resin composite increment to spatio-temporal maps of temperature at five different cavity locations, subjected to two irradiance curing protocols: standard and ultra-high. METHODS: Caries-free molars were used to obtain 40, 2 mm thick dentin slices, randomly assigned to groups (n = 5). These slices were incorporated within 3D-printed model cavites, 4 mm deep, restored with Adhese® Universal bonding agent and 2 mm thick Tetric® Powerfill resin composite, and photocured sequentially, as follows: G1: control-empty cavity; G2: adhesive layer; G3 composite layer with no adhesive; and G4 composite layer with adhesive...
December 21, 2023: Dental Materials
https://read.qxmd.com/read/38065798/a-glycol-chitosan-derivative-with-extrafibrillar-demineralization-potential-for-self-etch-dentin-bonding
#22
JOURNAL ARTICLE
Mingxing Li, Yuan Qiu, Yinlin Wang, Sisi Zhang, Lian Duan, Weijia Zhao, Ying Shi, Zhengyi Zhang, Franklin R Tay, Baiping Fu
OBJECTIVES: Extrafibrillar demineralization is an etching technique that removes only minerals from around the collagen fibrils for resin infiltration. The intrafibrillar minerals are left intact to avoid their replacement by water that is hard for adhesive resin monomers to displace. The present work reported the synthesis of a water-soluble methacryloyloxy glycol chitosan-EDTA conjugate (GCE-MA) and evaluated its potential as an extrafibrillar demineralization agent for self-etch dentin bonding...
December 7, 2023: Dental Materials
https://read.qxmd.com/read/38065228/antibacterial-efficacy-of-nanocare-fullerene-c60-activated-by-uv-light-and-morinda-oleifera-against-s-mutans-and-bond-integrity-of-composite-resin-to-caries-affected-dentin
#23
JOURNAL ARTICLE
Yasser F Al Fawaz
Assessment of the impact of contemporary disinfection techniques Moringa Oleifera (M. Oleifera), NanoCare Plus Silver Gold® (Nanocare), and Fullerene (C60) on survival rates of S.Mutans and shear bond strength (SBS) of composite to the carious affected dentin (CAD) MATERIAL AND METHODS: Sixty mandibular molars having caries progression till the middle 1/3rd of the dentin were disinfected. The CAD surface of twenty samples was inoculated with S.mutans. Based on different disinfection regimens samples were arbitrarily assigned to four groups (n:15) Group 1: 2% CHX, Group 2:NanoCare, Group 3:Fullerene (C60), and Group 4 (M...
December 7, 2023: Photodiagnosis and Photodynamic Therapy
https://read.qxmd.com/read/38053783/effect-of-dentin-roughening-and-type-of-composite-material-on-the-restoration-of-non-carious-cervical-lesions-an-in-vivo-study-with-18-months-of-follow-up
#24
JOURNAL ARTICLE
Sanjana Verma, Rakesh Singla, Gurdeep Singh Gill, Namita Jain
OBJECTIVES: The purpose of this study was to evaluate the impact of dentin roughening and the type of composite resin used (either bulk-fill flowable or nanohybrid) on the restoration of non-carious cervical lesions (NCCLs) with an 18-month follow-up period. MATERIALS AND METHODS: This prospective split-mouth study included 36 patients, each with a minimum of 4 NCCLs. For each patient, 4 types of restorations were performed: unroughened dentin with nanohybrid composite, unroughened dentin with bulk-fill flowable composite, roughened dentin with nanohybrid composite, and roughened dentin with bulk-fill flowable composite...
November 2023: Restorative Dentistry & Endodontics
https://read.qxmd.com/read/38034221/assessment-of-smear-layer-formation-after-caries-removal-using-erbium-laser-and-papain-based-chemo-mechanical-caries-removal-agent-an-in-vitro-scanning-electron-microscopy-study
#25
JOURNAL ARTICLE
Aditi Dhanvijay, Rajesh Kubde, Pratima Shenoi, Gautam Badole, Shriya Shahu
Introduction With the advancement in the field of adhesive dentistry, there has been a significant and groundbreaking shift toward the adoption of minimally invasive caries removal techniques where substrate modification is known to enhance adhesive bonding. The smear layer has always been controversial, as its modification helps in bonding, but if contaminated with bacteria, it compromises the formation of a satisfactory marginal seal. Thus, the recognition of the role played by the smear layer highlights the importance of the type of caries removal method employed...
October 2023: Curēus
https://read.qxmd.com/read/38025308/comparative-evaluation-of-application-of-universal-bonding-on-the-microtensile-bond-strength-of-light-cure-and-dual-cure-composites-bonded-to-dentin
#26
JOURNAL ARTICLE
Ebrahim Yarmohamadi, Banafsheh Ahmadi, Maryam Farhadian
Objectives: There is limited knowledge on the efficacy of universal adhesives when used in different etching modes. The aim of this study was to evaluate the microtensile bond strength (µTBS) to dentin using universal adhesives with light-cure and dual-cure composites. Materials and Methods: In this in vitro experimental study, the occlusal third of 60 caries-free human molars were removed and the exposed surfaces were treated and allocated to 10 groups (N=6). Two different bonding agents (Single Bond Universal, G-Premio) were used to bond 2 different composite resins (Z250 light-cure and CoreFlo DC dual-cure) to dentin, using etch-and-rinse (E&R) and self-etch (SE) modes...
2023: Frontiers in dentistry
https://read.qxmd.com/read/38021345/evaluation-of-the-effects-of-different-types-of-resin-cement-systems-on-the-push-out-bond-strength-of-the-fiber-post-to-intracanal-dentin-in-anterior-primary-teeth
#27
JOURNAL ARTICLE
Ali Nozari, Boshra Rasoolzade, Zahra Jowkar, Seyed Ahmadreza Hamidi, Mohammad Jowkar
BACKGROUND: This study aimed to evaluate the effects of using three different resin cements on push-out bond strength (PBS) of fiber posts to root canal dentin of primary teeth. METHODS: Fifty primary canines were randomly divided into five experimental groups according to the type of the luting agent used for fiber post cementation after endodontic treatment and post space preparation as the following: Group 1: glass ionomer cement (GIC), Group 2: flowable resin composite, Group 3: etch and rinse (E&R) resin cement, Group 4: self-etch (SE) resin cement, Group 5: self-adhesive (SA) resin cement...
2023: International Journal of Dentistry
https://read.qxmd.com/read/38019217/the-effect-of-a-deproteinizing-pretreatment-on-the-bonding-performance-and-acid-resistance-of-a-two-step-self-etch-adhesive-on-eroded-dentin
#28
JOURNAL ARTICLE
Y Yang, G Inoue, K Hosaka, A Tichy, M Ikeda, J Tagami, Y Shimada
OBJECTIVES: This study evaluated how deproteinization using sodium hypochlorite (6% NaOCl) or hypochlorous acid (50 ppm HOCl) with or without the subsequent use of an arylsulfinate salt-containing agent (Clearfil DC Activator; DCA; Kuraray Noritake Dental) affects the micro-tensile bond strength (μTBS) and formation of an acid-base resistant zone (ABRZ) of a two-step self-etch adhesive on eroded dentin. METHODS: Coronal dentin surfaces of sound human molars were exposed to 48 cycles of demineralization (1% citric acid; 5 minutes) and remineralization (buffer solution with pH=6...
November 29, 2023: Operative Dentistry
https://read.qxmd.com/read/38018370/efficacy-of-organic-and-antioxidant-agents-to-regain-bond-strength-to-bleached-enamel-in-different-dental-adhesive-solvents
#29
JOURNAL ARTICLE
Satheesh B Haralur, Renad Mohammed Al-Ibrahim, Faten Abdullah Al-Shahrani, Rahaf Abdullah Al-Qahtani, Saurabh Chaturvedi, Naseer M Alqahtani
Materials like carbamide peroxide or hydrogen peroxide are commonly used for vital teeth bleaching. However, there have been concerns regarding their effect on composite-to-bleached enamel bonding strength. The study investigated the impact of organic and antioxidant agents on composite bond strength in bleached enamel with different dental adhesive solvents. Human third molar teeth were sectioned into buccal and lingual halves. The two main adhesive solvent groups evaluated were acetone and alcohol. Each main group was divided into six groups...
2023: Journal of Applied Biomaterials & Functional Materials
https://read.qxmd.com/read/38014602/effect-of-natural-agents-on-the-bond-strength-to-eroded-dentin
#30
JOURNAL ARTICLE
Laryssa Karla Romano, Eduardo José Soares, Ayodele Alves Amorim, Rocio Geng Vivanco, Fernanda de Carvalho Panzeri Pires-de-Souza
OBJECTIVE: This study evaluated the effect of bromelain and propolis extract on the bond strength (BS) of a universal adhesive system to eroded dentin. MATERIALS AND METHODS: Sixty human molars with exposed dentin were halved, with one half protected by composite resin and the other subjected to erosive treatment followed by remineralization. After the erosive treatment, the composite resin was removed, and the teeth were randomly assigned to three groups (n = 20): Adhesive-Control System; Br-10%; Pr-16%...
November 28, 2023: Journal of Esthetic and Restorative Dentistry
https://read.qxmd.com/read/38011333/adhesive-bond-strength-of-restorative-materials-to-caries-affected-dentin-treated-with-antimicrobial-photodynamic-therapy-a-systematic-review-and-meta-analysis
#31
JOURNAL ARTICLE
Yasser F AlFawaz
Objective: This systematic review aimed to evaluate the adhesive bond strength of restorative materials to caries-affected dentin (CAD) treated with antimicrobial photodynamic therapy (aPDT) in comparison with conventional chemical disinfectants. Methods: Three databases, including the Web of Science, Scopus, and PubMed, were searched to address the focused question: "What is the effect of aPDT compared to conventional chemical disinfection techniques on the adhesive bond strength of restorative materials to CAD?...
November 21, 2023: Photobiomodulation, photomedicine, and laser surgery
https://read.qxmd.com/read/38006133/influence-of-chitosan-0-2-in-various-final-cleaning-methods-on-the-bond-strength-of-fiberglass-post-to-intrarradicular-dentin
#32
JOURNAL ARTICLE
Naira Geovana Camilo, Alex da Rocha Gonçalves, Larissa Pinzan Flauzino, Cristiane Martins Rodrigues Bernardes, Andreza Maria Fábio Aranha, Priscilla Cardoso Lazari-Carvalho, Marco Aurélio de Carvalho, Helder Fernandes de Oliveira
The purpose of this study was to analyze the influence of Chitosan 0.2% in various final cleaning methods on the bond strength of fiberglass post (FP) to intrarradicular dentin. Ninety bovine incisors were sectioned to obtain root remnants measuring 18 mm in length. The roots were divided: G1: EDTA 17%; G2: EDTA 17% + PUI; G3: EDTA 17% + EA; G4: EDTA 17% + XPF; G5: Chitosan 2%; G6: Chitosan 2% + PUI; G7: Chitosan 2% + EA; G8: Chitosan 2% +XPF. After carrying out the cleaning methods, the posts were installed, and the root was cleaved to generate two disks from each root third...
November 15, 2023: Polymers
https://read.qxmd.com/read/37993295/enhancing-dentin-bonding-through-new-adhesives-formulations-with-natural-polyphenols-tricalcium-phosphate-and-chitosan
#33
JOURNAL ARTICLE
Franz-Josef Schröter, Marioara Moldovan, Codruta Sarosi, Nicoleta Ilie
OBJECTIVES: The aim of the study was to develop new adhesive formulations that include natural polyphenols extracted from green tea (GTE), tricalcium phosphate (TCP) and chitosan to improve dentin bonding characteristics and cytotoxicity. METHODS: Four experimental adhesives were formulated under laboratory conditions. The groups differed in the integration of either GTE and/or TCP + chitosan. The four experimental and one clinically proven reference adhesive underwent shear bond testing after 24 h and 6 months of aging (n = 200) with subsequent fractographic analysis...
November 21, 2023: Dental Materials
https://read.qxmd.com/read/37989605/reinforced-dentin-remineralization-via-a-novel-dual-affinity-peptide
#34
JOURNAL ARTICLE
Menglin Fan, Zilin Zhou, Wanchun Zhu, Meng Li, Yuanyuan Tu, Zhaohan Yu, Jiyao Li, Min Zhang, Kunneng Liang
OBJECTIVES: In light of the constantly flowing saliva, anti-caries remineralization agents are inclined to be taken away. Owing to their limited residence time, the remineralization effect is not as desirable as expected. Hence, our study aimed to synthesize a novel peptide (DGP) with high affinity to both collagen fibrils and hydroxyapatite, and investigated its dentin remineralization efficacy in vitro and anti-caries capability in vivo. METHODS: DGP was synthesized through Fmoc solid-phase reaction...
November 19, 2023: Dental Materials
https://read.qxmd.com/read/37975331/intracoronal-tooth-bleaching-a-review-and-treatment-guidelines
#35
REVIEW
M Amer
Intracoronal bleaching is a minimally invasive procedure that was introduced into dentistry in the 19th century. The role of that procedure in enhancing the colour of teeth subjected to internal discolouration while being conservative made it extremely popular amongst dental professionals. Different materials and techniques have been utilized over the years attempting to obtain predictable long-term results while minimizing any associated risks. Contemporarily, bleaching agents are mainly based on peroxide-releasing compounds in different formulations and delivery systems...
November 17, 2023: Australian Dental Journal
https://read.qxmd.com/read/37955001/the-role-of-duration-of-chlorhexidine-gluconate-2-application-on-the-shear-bond-strength-of-a-total-etch-bonding-agent-a-comparative-study
#36
JOURNAL ARTICLE
Azmi Nadhira Fasya, Yolanda Yolanda, Ayu Trisna Hayati
INTRODUCTION: Matrix metalloproteinases enzymes (MMPs) can degrade the hybrid layer which can cause failure of composite restorations. Chlorhexidine gluconate 2% can reduce MMPs activity and increase the bond strength of the resin to dentin. PURPOSE: This study aims to determine the role of the duration of chlorhexidine gluconate 2% application on shear bond strength of a total-etch bonding agent. METHODS: A total of 36 freshly extracted maxillary premolars were removed occlusally by one-third of the crown using a carborundum disc until the dentin was exposed...
2023: Clinical, Cosmetic and Investigational Dentistry
https://read.qxmd.com/read/37909528/influence-of-the-combined-effect-of-desensitizing-dentifrices-and-universal-adhesives-on-dentin-bond-strength-under-erosive-conditions
#37
JOURNAL ARTICLE
Fabiana Tavares Lunardi Palhari, Laís da Mata Almeida, Priscila Christiane Suzy Liporoni, Leandro Augusto Hilgert, Rayssa Ferreira Zanatta
OBJECTIVE: This study aimed to evaluate whether the use of desensitizing dentifrices containing obliterating agents can affect bond strength of eroded/abraded dentin. METHODOLOGY: A total of 100 dentin samples were obtained from human molars. The teeth were cut into 3 mm-thickness discs and allocated in five groups (n=20), according to the toothpaste used: WoF - abrasion with fluoride-free toothpaste (Cocoricó); Arg - toothpaste containing arginine (Colgate Sensitive Pro-Relief); Nov - calcium sodium phosphosilicate toothpaste (Sensodyne Repair and Protect); SnF - fluoride-containing toothpaste (AmF/SnCl2/SnF2 - Elmex Erosion); and Control (no erosive/abrasive process)...
2023: Journal of Applied Oral Science: Revista FOB
https://read.qxmd.com/read/37888911/medium-term-evaluation-of-the-bond-strength-and-dentin-penetration-of-self-adhesive-resin-cements-to-root-dentin
#38
JOURNAL ARTICLE
M B Gelio, J F Zaniboni, Jcc Monteiro, J F Besegato, J R Pereira, R L Buchaim, M C Kuga
BACKGROUND: Medium-term evaluate the bond strength and tag formation in root dentin using self-adhesive cements Maxcem Elite (MCE), Relyx U200 (RU2), SeT PP (SPP) and Megalink (MGL) compared to conventional cement Relyx ARC (ARC) for glass fibre post cementation. MATERIALS AND METHODS: One hundred bovine incisors roots were endodontically treated and divided into 5 groups (n = 20) according to the cementation system: MCE, RU2, SPP, MGL and ARC. All cementation systems were evaluated at 24 h (1) and 12 months (2) after post cementation...
October 27, 2023: Australian Dental Journal
https://read.qxmd.com/read/37865811/shear-bond-strength-of-permanent-3d-printed-resin-and-milled-zirconia-to-primary-teeth-using-different-luting-agents
#39
JOURNAL ARTICLE
Nazli Aydin, Hacer N Uguz
PURPOSE: To evaluate the shear bond strengths (SBS) of permanent 3D-printed resin (PR) to primary dentin using different luting agents. METHODS: 90 primary teeth were prepared. 45 cylinders (3 x 3 mm) were printed using PR, and 45 cylinders were milled using a Z block (to control). The cylinders were bonded to primary dentin by using three types of luting agent [glass-ionomer cement (GIC), resin-modified glass-ionomer cement (RMGIC), and self-adhesive resin cement (SRC)]...
October 2023: American Journal of Dentistry
https://read.qxmd.com/read/37845592/effect-of-desensitizing-agents-on-the-resin-bond-strength-to-sound-dentin
#40
JOURNAL ARTICLE
Fahad Ibrahim Alawad, Isaac Jordão de Souza Araújo, Ana Beatriz Gomes de Carvalho, Gisele de Faria Neiva, Joseph Debrune Dennison, Peter Yaman, Marco C Bottino
This study aimed to evaluate the effect of dentin hypersensitivity treatments on immediate and long-term shear bond strength (SBS) of composite restorations. Ninety non-carious extracted human molars were cut to expose dentin, which was embedded in acrylic resin, and randomly divided into three groups (n = 30/group) according to surface treatment: 1) no treatment (C and C*; control); 2) silver diamine fluoride with potassium iodide (SDF/KI and SDF/KI*; Riva Star); and 3) nano-hydroxyapatite (nHAp and nHAp*; PrevDent)...
October 16, 2023: Odontology
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