Results 51 to 60 of about 11,617 (228)

Detection of pit and fissure sealant microleakage using quantitative light-induced fluorescence technology: an in vitro study

open access: yesScientific Reports
This in vitro study aimed to evaluate the feasibility of quantitative light-induced fluorescence (QLF) technology for detecting the presence and severity of microleakage of pit and fissure sealants. The areas of interest (AOIs) were 160 pits and fissures
Sang-Mi Nam   +3 more
doaj   +1 more source

Comparative Evaluation of Microleakage in Class V Cavities Restored with Glass Ionomer Cement Modified with Chicken Eggshell Powder and Cention N: An In-vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Introduction: Glass Ionomer Cements (GIC) have been valued for their ease of use, fluoride release, and bonding. However, their microleakage can cause sensitivity and secondary caries.
Snehal Madhukar Wamane   +4 more
doaj   +1 more source

Clinical Evaluation of CAD/CAM All‐Ceramic Crowns: A Randomized Controlled Study Comparing Lithium Disilicate and Lithium Aluminosilicate

open access: yesJournal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To compare the marginal and internal adaptation and to evaluate the clinical performance and patient satisfaction of CAD/CAM‐fabricated all‐ceramic crowns produced from lithium disilicate (LDS) and lithium disilicate–reinforced lithium aluminosilicate (LAS) over a 24‐month follow‐up period.
Sinem Ok Tokaç   +3 more
wiley   +1 more source

The effect of thermocycling on microleakage analysis of bulk filled base composite in comparison to incrementally placed nanohybrid composite in class II MOD restorations (An in vitro study)

open access: yesJournal of Baghdad College of Dentistry, 2014
Background: The study aim was to evaluate thermocycling effect on microleakage of occlusal and cervical margins of MOD cavity filled with bulk filled composites in comparison to incrementally placed nanohybrid composite and to evaluate the difference in ...
Lena A Hassan, Adel F Ibraheem
doaj  

Evaluation of microleakage of three different types of pit and fissure sealants using invasive and non-invasive techniques (An in-vitro study)

open access: yesErbil Dental Journal, 2021
Backgrounds: The aims of this study were to; Evaluate the amount of in-vitro microleakage of three different types of pit and fissure sealants (Vertise Flow, Kerr), (Helioseal-F, IvoclarVivadent), (GC Fuji TRIAGE, GC corporation) and the effect of ...
Hiwa S. Khidir, Hemn M. Suleman
doaj  

Comparative Evaluation of Tooth Type and Pulp Chamber Depth on the Accuracy of Endocrown Scans Acquired Using Various Intraoral Scanners

open access: yesJournal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To evaluate the effects of pulp chamber depth, tooth type, and intraoral scanner (IOS) on the accuracy of endocrown digital impressions. Materials and Methods Standardized endocrown preparations with 2 and 5 mm pulp chamber depths were performed on molar and premolar typodonts.
Selen Erkul   +3 more
wiley   +1 more source

Evaluation of microleakage in the gingival margin of class II resin composite restoration when using three placement techniques (An in vitro study) [PDF]

open access: yes, 2014
Objective: To evaluate and compare the effect of bulk and layering composite filling techniques on the gingival microleakage in class II cavity. Materials and methods: Standardized 60 class II cavities were prepared in the proximal surfaces of thirty ...
Miwan S. Abdul-Rahman
core   +2 more sources

EFFECT OF PREHEATING ON MICROLEAKAGE AND MICROHARDNESS OF COMPOSITE RESIN (AN IN VITRO STUDY) [PDF]

open access: yesAlexandria Dental Journal, 2016
INTRODUCTION: advancements in composite restorations have been suggested, including preheating of composite resins before photo polymerization by a heating device.OBJECTIVE: The aim of the study was to investigate the effect of preheating before curing ...
Kamar A Adel A   +2 more
doaj   +1 more source

Marginal gap of printed, milled, and heat‐pressed two‐piece polyetheretherketone abutments before and after thermal cycling, and their pull‐off bond strength after thermal cycling

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose To evaluate the marginal gap of two‐piece polyetheretherketone (PEEK) abutments fabricated with different methods, before and after thermal cycling, while also focusing on their pull‐off bond strength. Materials and Methods A two‐piece abutment was virtually designed after digitizing a titanium‐base (Ti‐base) abutment.
Almira Ada Diken Türksayar   +6 more
wiley   +1 more source

Penetration ability and microleakage of a fissure sealant applied on artificial and natural enamel fissure caries

open access: yes, 2007
OBJECTIVES AND METHODS: This study investigated the sealing ability of a current available unfilled fissure sealant applied over sound (n=80), artificially created (n=80) and naturally carious fissures (n=80) under different humidity conditions (90+/-2 ...
Lussi, Adrian, Celiberti, Paula
core   +1 more source

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