17,094 results match your criteria resin cement


3D printed rodent skin-skull-brain model: A novel animal-free approach for neurosurgical training.

PLoS One 2021 23;16(6):e0253477. Epub 2021 Jun 23.

Roche Pharmaceutical Research and Early Development (pRED), Neuroscience and Rare Diseases, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd, Basel, Switzerland.

In neuroscience, stereotactic brain surgery is a standard yet challenging technique for which laboratory and veterinary personnel must be sufficiently and properly trained. There is currently no animal-free training option for neurosurgeries; stereotactic techniques are learned and practiced on dead animals. Here we have used three-dimensional (3D) printing technologies to create rat and mouse skin-skull-brain models, specifically conceived for rodent stereotaxic surgery training. Read More

View Article and Full-Text PDF

Comparison of strength of milled and conventionally processed PMMA complete-arch implant-supported immediate interim fixed dental prostheses.

J Prosthet Dent 2021 Jun 19. Epub 2021 Jun 19.

Professor, Department of Restorative Dentistry, Director, Biomimetics Biomaterials Biophotonics Biomechanics & Technology Laboratory B(4)T((,)) School of Dentistry, University of Washington, Seattle, Wash. Electronic address:

Statement Of Problem: A typical conversion process of a complete-arch immediate loading protocol entails preparing holes in a complete denture for connection to interim copings, which reduces the strength of the prosthesis. The excellent mechanical properties of milled polymethyl methacrylate (PMMA) disks may provide interim prostheses with improved strength.

Purpose: The purpose of this in vitro study was to measure the flexural strength and failure load of simulated acrylic resin immediate implant-supported interim prostheses fabricated by conventional processing and computer-aided manufacturing. Read More

View Article and Full-Text PDF

Shear Bond Strength of Zirconia Ceramic to Four Different Core Materials, An Study.

J Dent (Shiraz) 2021 Jun;22(2):138-143

Post Graduate Student of Prosthodontics, Dept. of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Statement Of The Problem: Different materials can be used to reconstruct the core foundation in all-ceramic restorations. Bond strength of the core material to zirconia is an important factor in long-term restoration success.

Purpose: The aim of this study was to assess shear bond strength (SBS) of zirconia to four different core materials. Read More

View Article and Full-Text PDF

A Special Design to Facilitate Retrieval of Cement-Retained Zirconia-Based Implant-Supported Restorations.

J Dent (Shiraz) 2021 Jun;22(2):132-137

Dept. of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Statement Of The Problem: Retrieval of cement-retained implant-supported restorations is challenging in cases of screw loosening or periodontal problems.

Purpose: The purpose of this study was to evaluate the effect of the screw access hole on the fracture resistance of zirconia-based cement-retained restorations with and without an access opening.

Materials And Method: In this study thirty-three cement-retained implant-supported zirconia-based molar crowns were fabricated and divided into 3 groups (n=11). Read More

View Article and Full-Text PDF

Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3D-FEA study.

Am J Dent 2021 Jun;34(3):157-162

School of Dentistry, University of Naples Federico II, and Naples, Italy,

Purpose: To evaluate the effect of different substrate stiffness [sound dentin (SD), resin composite core (RC) or metal core (MC)] on the stress distribution of a zirconia posterior three-unit fixed partial denture (FPD).

Methods: The abutment teeth (first molar and first premolar) were modeled, containing 1.5 mm of axial reduction, and converging axial walls. Read More

View Article and Full-Text PDF

Compressive strength of lithium disilicate inlay cementation on three different composite resins.

J Dent Sci 2021 Jul 12;16(3):994-1000. Epub 2021 Feb 12.

Department of Stomatology, Taichung Veteran General Hospital, Taichung, Taiwan.

Background/purpose: Ceramic restorations have been increasingly applied over recent years. But the performance of cement is still unknown after cementation. This study was aimed to compare the compressive strength and the performances of three different types of composite resin after lithium disilicate inlay cementation. Read More

View Article and Full-Text PDF

Assessment of permeability of eroded dentin after the use of universal, self-etch, and conventional systems.

Acta Odontol Latinoam 2021 Apr;34(1):10-17

Federal University of Maranhão, Dentistry Department, São Luis, MA, Brasil.

Dentin hypersensitivity is caused by increased dentinal permeability due to total or partial exposure of dentinal tubules, which in turn can be produced by alterations of dental structures or failure of restorative procedures. The purpose of this in vitro study was to evaluate the efficacy of the application of different kinds of adhesive systems to prevent dentin permeability before and after an erosive challenge. Fifty bovine dentin discs (6x1 mm) were prepared and the specimens were divided into 5 groups (n=10): (SB2) Single Bond 2, (SBU) Universal Single Bond, (CSB) Clearfil SE Bond, (SM) Scotchbond Multipurpose and (C) Control. Read More

View Article and Full-Text PDF

Effect of captopril pretreatment on the dentin bonding durability of self-etch adhesive.

Zhejiang Da Xue Xue Bao Yi Xue Ban 2021 Apr;50(2):179-186

Stomatology Hospital.

To investigate the effect of captopril on the dentin bonding durability of self-etch adhesive. Different concentrations of captopril ethanol solutions or captopril ethanol/water solutions were prepared to pretreat dentin as primer for the self-etch adhesives. The surface morphology of the dentin was observed with scanning electron microscopy (SEM). Read More

View Article and Full-Text PDF

Effect of Root Dentin Pretreatment on Micro-Push-Out Bond Strength of Fiber Posts to Root Canal Dentin: Cold Atmospheric Argon Plasma (CAAP) and Ethylenediaminetetraacetic Acid (EDTA).

Int J Dent 2021 28;2021:5571480. Epub 2021 May 28.

Dental Research Center, Dentistry Research Institute, Tehran University of Medical Science, Tehran, Iran.

Purpose: Debonding from the root canal dentin is the most common failure mode of fiber posts. This study aimed to assess the effects of cold atmospheric argon plasma (CAAP) and ethylenediaminetetraacetic acid (EDTA) on micro-push-out bond strength of fiber posts to root canal dentin.

Materials And Methods: Forty maxillary canine teeth were decoronated, underwent endodontic treatment, and were stored in an incubator for 7 days. Read More

View Article and Full-Text PDF

Comprehensive characterisation of flexural mechanical properties and a new classification for porosity of 11 contemporary ion-leaching dental restorative materials.

J Mech Behav Biomed Mater 2021 Jun 1;121:104615. Epub 2021 Jun 1.

Melbourne Dental School, The University of Melbourne, Melbourne Victoria Australia 720 Swanston St, Carlton Melbourne, VIC, 3053, Australia. Electronic address:

The objectives of this study were to evaluate 4 aspects of ion-leaching restorative materials (ILMs): 4-point bending flexural strength (4 PB-FS) and relative mechanical properties; biaxial flexural strength (B-FS) in relation to 4 PB-FS; porosity; and surface morphology. Eleven ILMs were used for the 4-point bending test. Bar-shaped (n = 15) samples were fabricated, stored in distilled water for 7 days. Read More

View Article and Full-Text PDF

Root canal pre-treatment and adhesive system affect bond strength durability of fiber posts ex vivo.

Clin Oral Investig 2021 Jun 14. Epub 2021 Jun 14.

Department of Operative and Preventive Dentistry, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin und Humboldt-Universität zu Berlin, Berlin, Germany.

Objectives: To investigate the effect of different pre-treatments on the long-term bond strength of fiberglass posts luted either with dual-curing self-etch adhesives and core build-up composites or with a self-adhesive resin (SAR) cement.

Materials And Methods: In total, 180 human root-filled teeth received post-space preparations and three different dentin pre-treatments (PTs): PT1, ethanol (99%); PT2, ethanol-tertiary-butanol-water-solution (AH Plus Cleaner, Dentsply Sirona; York, USA); and PT3, distilled water (control). Five luting systems were used: FU, Futurabond U (Voco; Cuxhaven, Germany); CL, Clearfil DC Bond (Kuraray Noritake; Okayama, Japan); GR, Gradia Core SE Bond (GC Europe NV; Leuven, Belgium); LU, LuxaBond Universal (DMG; Hamburg, Germany); and RX, RelyX Unicem 2 (3M; Minnesota, USA). Read More

View Article and Full-Text PDF

Nondestructive evaluation of microleakage in restored primary teeth using CP-OCT.

Niger J Clin Pract 2021 Jun;24(6):919-924

Restorative Dentistry Department, Faculty of Dentistry, King Abdulaziz University, P.O. Box 80209, Jeddah 215-89, Saudi Arabia.

Background: Although the demand for esthetic filling of primary teeth with resin composite is increasing, there is no enough data on the adhesive performance of composite restorations in primary teeth. Despite the improvements in resin composites, interfacial gap is still a disadvantage as it may cause marginal staining, secondary caries, and restoration failure. Previous studies have validated the efficiency of optical coherence tomography (OCT) in the evaluation of adhesive interface in permanent teeth, but not in primary teeth. Read More

View Article and Full-Text PDF

Evaluation of the marginal microleakage of CAD-CAM compared with conventional interim crowns luted with different types of cement: An study.

Niger J Clin Pract 2021 Jun;24(6):828-832

Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Kingdom of Saudi Arabia.

Background: Temporary stage in crowns and bridgework plays an important role in the success and failure of the final restorations. Lack of marginal seal of the temporary restorations can lead to further complications. Recently, digital dentistry has been improved in terms of marginal integrity. Read More

View Article and Full-Text PDF

Effect of CAD-CAM ceramic materials on the color match of veneer restorations.

J Prosthet Dent 2021 Jun 11. Epub 2021 Jun 11.

Professor, Department of Prosthodontics, Dalian Stomatological Hospital, Dalian, PR China. Electronic address:

Statement Of Problem: With the different translucency levels and types of computer-aided design and computer-aided manufacturing (CAD-CAM) ceramic materials, choosing the most appropriate CAD-CAM ceramic materials to better reproduce the color appearance of natural teeth can be challenging.

Purpose: The purpose of this in vitro study was to analyze the color differences between natural teeth and milled veneers fabricated with the different types of CAD-CAM ceramic materials.

Material And Methods: Ten extracted maxillary central incisor teeth with the A2 shade in the body region were prepared for ceramic veneers. Read More

View Article and Full-Text PDF

Optical behaviors, surface treatment, adhesion, and clinical indications of zirconia-reinforced lithium silicate (ZLS): A narrative review.

J Dent 2021 Jun 9:103722. Epub 2021 Jun 9.

Department of Neurosciences, Reproductive and Odontostomatological Sciences, Division of Prosthodontics and Digital Dentistry, University "Federico II" of Naples, Via Pansini 5, 80131 Naples, Italy. Electronic address:

Objectives: The present narrative review was focused on the optical properties, surface treatment, adhesion, and clinical indications of zirconia-reinforced lithium silicate ceramics (ZLS) for Computer-aided design / Computer-aided manufacturing (CAD/CAM) technologies.

Data/sources: A literature search was performed by 3 calibrated independent researchers on PubMed, Scopus, Embase, Google Scholar, Dynamed, and Open Grey. The criteria for inclusion were: 1) papers addressing at least one of the following variables about ZLS: optical properties, surface treatment, adhesion, and clinical indications; 2) in vitro, in silico, or in vivo studies; 3) case reports; 4) systematic reviews. Read More

View Article and Full-Text PDF

Effects of ionizing radiation on surface properties of current restorative dental materials.

J Mater Sci Mater Med 2021 Jun 12;32(6):69. Epub 2021 Jun 12.

Department of Dentistry, Universidade Federal do Rio Grande do Norte (UFRN), Av. Salgado Filho, 1787, Lagoa Nova, Natal, RN, CEP: 59056-000, Brazil.

To investigate the impact of radiotherapy on surface properties of restorative dental materials. A conventional resin composite-CRC (Aura Enamel), a bulk-fill resin composite-BFRC (Aura Bulk-fill), a conventional glass ionomer cement-CGIC (Riva self cure), and a resin-modified glass ionomer cement-RMGIC (Riva light cure) were tested. Forty disc-shaped samples from each material (8 mm diameter × 2 mm thickness) (n = 10) were produced according to manufacturer directions and then stored in water distilled for 24 h. Read More

View Article and Full-Text PDF

Influence of collar height of definitive restoration and type of luting cement on the amount of residual cement in implant restorations: A clinical study.

J Prosthet Dent 2021 Jun 8. Epub 2021 Jun 8.

Senior Resident, Department of Prosthodontics, Government Dental College, Kozhikode, Kerala, India.

Statement Of Problem: Residual cement in the peri-implant sulcus may cause peri-implant mucositis, which can lead to peri-implantitis. Clinical studies comparing the role of the collar height of the definitive restoration and the type of cement used for luting the prosthesis in the amount of residual cement are lacking.

Purpose: The purpose of this clinical study was to determine the volume of residual cement left undetected in the peri-implant sulcus by an implant prosthesis with 3 different collar heights and 3 luting cements. Read More

View Article and Full-Text PDF

Effects of shade and thickness on the translucency parameter of anatomic-contour zirconia, transmitted light intensity, and degree of conversion of the resin cement.

J Prosthet Dent 2021 Jun 8. Epub 2021 Jun 8.

Professor, Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, Ind. Electronic address:

Statement Of Problem: Anatomic-contour zirconia prostheses are usually cemented with resin cement. However, information regarding the effects of the zirconia shade and thicknesses on the translucency of the prosthesis, the intensity of the transmitted light beneath the prosthesis, and the subsequent degree of conversion in the resin cement is sparse.

Purpose: The purpose of this in vitro study was to investigate the translucency parameter in 3 anatomic-contour zirconia specimens of 2 shades at 5 different thicknesses and to investigate the transmitted light intensity and degree of conversion of the resin cement beneath the ceramic specimens by using a traditional zirconia and a lithium disilicate glass ceramic as controls. Read More

View Article and Full-Text PDF

Predictable 3D guided adhesive bonding of porcelain veneers using 3D printed trays.

J Esthet Restor Dent 2021 Jun 11. Epub 2021 Jun 11.

Director of Esthetic Digital Dentistry Specialty Program, Universidad de los Andes, Santiago, Chile.

Objective: This clinical report describes a novel digital technique to facilitate and improve the porcelain laminate veneers adhesive bonding procedure using a customized 3D printed guide.

Clinical Considerations: Porcelain veneers can be stabilized in their fully seated position with a digitally design 3D printed guide before the resin cement is polymerized. The excess cement can be carefully and predictably removed without the risk of dislodgement, rotation or misfit, allowing the clinician to light cure them under controlled pressure in the correct seating position without the risk of fracturing the ceramic material. Read More

View Article and Full-Text PDF

Occlusal Thickness and Cement-Type Effects on Fracture Resistance of Implant-Supported Posterior Monolithic Zirconia Crowns.

Int J Oral Maxillofac Implants 2021 May-Jun;36(3):485-491

Purpose: To evaluate the factors that could influence the fracture resistance of implant-supported posterior monolithic zirconia crowns.

Materials And Methods: Sixty zirconia molar crowns with three different occlusal thicknesses of 0.5, 1. Read More

View Article and Full-Text PDF

Effect of the incorporation of hydroxyapatite on the diametral tensile strength of conventional and hybrid glass ionomer cements.

Odontology 2021 Jun 10. Epub 2021 Jun 10.

Department of Dental Materials, School of Dentistry, Universidad de La República, Montevideo, Uruguay.

The objective was to evaluate the effect of the incorporation of calcium hydroxyapatite particles (HAp) in the diametral tensile strength of a conventional type II glass ionomer (GC Gold Label 2) and a resin-modified glass ionomer cement (GC Gold Label 2 LC R). Two experimental HAp (E1HAp or E2HAp) were synthesized and characterized using X-ray diffraction and Confocal Raman spectroscopy. Both HAp were added into the powder of a conventional or resin-modified glass ionomer cement at 5 or 10 wt. Read More

View Article and Full-Text PDF

An update of treatment modalities in children and adolescents with teeth affected by molar incisor hypomineralisation (MIH): a systematic review.

Eur Arch Paediatr Dent 2021 Jun 10. Epub 2021 Jun 10.

Department of Paediatric Dentistry, Institute of Dentistry, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, London, UK.

Purpose: To systematically review the treatment modalities for molar-incisor hypomineralisation for children under the age of 18 years. The research question was, 'What are the treatment options for teeth in children affected by molar incisor hypomineralisation?'

Methods: An electronic search of the following electronic databases was completed MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, LILACS, Google Scholar and Open Grey identifying studies from 1980 to 2020. The PRISMA guidelines were followed. Read More

View Article and Full-Text PDF

[An evaluation of fiber reinforced composites veneer in anterior esthetic restoration].

Shanghai Kou Qiang Yi Xue 2021 Apr;30(2):120-123

Shanghai Stomatological Hospital. Shanghai 200001, China.

Purpose: To explore the advantages of fiber reinforced composites veneer in repairing discolorated and defective anterior teeth.

Methods: Twenty porcelain veneers and 20 fiber reinforced composites veneers specimens of 2 cm long, 2 cm wide and 1 mm in thickness, with a longitudinal cross section of 45° incline were made. Another 40 fiber reinforced composites specimens of the same shape were used for comparison. Read More

View Article and Full-Text PDF

Fatigue failure and success rate of lithium disilicate table-tops as a function of cement thickness.

J Prosthodont Res 2021 Jun 10. Epub 2021 Jun 10.

Section of Prosthodontics, Department of Biomedical and Neuromotor Science, Alma Mater Studiorum University of Bologna.

Purpose: Under thin, partial coverage restoration the proper cement thickness to be clinically employed still remains an issue. The aim of this study was to determine the failure and success rates of simplified lithium disilicate occlusal veneers as a function of cement thickness. The null hypothesis was that cement thickness has no effect on the fatigue resistance. Read More

View Article and Full-Text PDF

The effect of resin cement shade and restorative material type and thickness on the final color of resin-matrix ceramics.

J Prosthodont Res 2021 Jun 10. Epub 2021 Jun 10.

Department of Prosthodontics, Faculty of Dentistry, Near East University, Mersin10.

Purpose: This study aims to evaluate the effects of cement shade, restorative material type, and thickness on the final color of resin-matrix ceramics.

Methods: Ninety A2 shade resin-matrix ceramic specimens were prepared from Vita Enamic, GC Cerasmart, and Lava Ultimate at 0.5 and 1. Read More

View Article and Full-Text PDF

Clinical effects of different etching modes for universal adhesives: a systematic review and meta-analysis.

Ann Palliat Med 2021 May;10(5):5462-5473

Department of Stomatology, Zhongshan Hospital, Xiamen University, Xiamen, China.

Background: To evaluate the clinical performance of universal adhesives in etch-and-rinse or self-etch application modes through meta-analysis.

Methods: A literature search was performed by two reviewers in the PubMed, Cochrane Library, and Embase databases (from January 2000 to March 2020). A total of 2,516 non-replicated records were identified and filtered. Read More

View Article and Full-Text PDF

Effect of Er:YAG laser radiation on pull-out fracture load of esthetic posts luted to root canal dentin with various resin cements.

Dent Res J (Isfahan) 2021 17;18:17. Epub 2021 Mar 17.

Student Research Committee, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.

Background: This study investigated the influence of erbium-doped: yttrium aluminum garnet (Er:YAG) laser on the pull-out fracture load of fiber-reinforced composite (FRC) posts luted to dentin with different resin cements.

Materials And Methods: In this experimental study, 90 premolars were endodontically treated. The post spaces were prepared, and the teeth were divided into three groups dependent on the cement applied for luting FRC posts: Group 1: An etch-and-rinse system, Group 2: A self-etch cement, and Group 3: A self-adhesive cement. Read More

View Article and Full-Text PDF

The effect of sodium hypochlorite enamel pretreatment on the shear bond strength of fissure sealant using a resin-modified glass ionomer cement and a fluoride-releasing self-etch resin adhesive.

Dent Res J (Isfahan) 2021 17;18:13. Epub 2021 Mar 17.

Department of Restoratives, Melbourne Dental School, The University of Melbourne, Victoria, Australia.

Background: The relative high caries risk of pits and fissures highlights the importance of protecting these areas. The aim is to determine the effect of sodium hypochlorite (NaOCl) on the shear bond strength (SBS) of resin-based pit and fissure sealant (RBPFS) material to enamel using resin-modified glass ionomer cement (RMGIC) and fluoride-releasing self-etch resin (FRSE) adhesives.

Materials And Methods: In this study extracted third molar teeth without carious lesions or defects were divided into five experimental groups ( = 20). Read More

View Article and Full-Text PDF

Influence of occlusal and proximal caries on outcome of full pulpotomy in posterior permanent teeth with partial irreversible pulpitis: A prospective study.

Int Endod J 2021 Jun 8. Epub 2021 Jun 8.

Division of Conservative Dentistry and Endodontics, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India.

Aim: To assess the influence of occlusal and proximal deep carious lesion on the outcome of full pulpotomy performed in mandibular teeth with pulpal diagnosis of symptomatic partial irreversible pulpitis.

Methodology: Eighty deep carious mandibular molar teeth with clinical and radiographic diagnosis of symptomatic partial irreversible pulpitis without periapical rarefaction from patients of either gender between the age of 16-35 years were included. Depending upon the location of deep carious lesion, the teeth were distributed equally into occlusal (n=40) and proximal caries groups (n=40). Read More

View Article and Full-Text PDF