Lezize Sebnem Türkün

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PURPOSE The aim of this study was to examine the influence of Er:YAG laser on the shear bond strength of three different adhesives to lased dentin. MATERIALS AND METHODS Seventy specimens obtained from 35 extracted human molars were embedded in polyester resin and ground with silicon carbide papers. The samples were divided into seven groups. 1. Er:YAG(More)
This study determined the compositional changes and microhardness of the cavity floor prepared by Er,Cr:YSGG and Er:YAG lasers and compared the results with the conventional method of bur preparation. Fifteen non-carious human molars were used in this study. On the buccal and lingual surfaces of each tooth, two cavities (mesio-distal 3 mm, inciso-gingival 3(More)
UNLABELLED Discolored teeth can be treated with resin veneers, but their color changes when confronted with staining solutions. Polishing procedures can provide a remedy for highly stained composites, but they tend to remove some materials as well. However, bleaching procedures are an effective, nondestructive method for solving the problem. The aim of this(More)
STATEMENT OF THE PROBLEM Many regions in the world do not have electricity, water, or access to dental facilities that allows the treatment of caries with dental handpieces and rotary burs. For restorative techniques used in these regions, an antibacterial self-adherent glass ionomer material would contribute considerably. PURPOSE This study aimed to test(More)
Proper finishing of restorations is desirable not only for aesthetic considerations but also for oral health. The primary goal of finishing is to obtain a restoration that has good contour, occlusion, healthy embrasure forms and a smooth surface. This study investigated: 1) analyzing the surface roughness of three resin composites finished and polished with(More)
OBJECTIVE This study compared the color changes of five novel resin composites polished with two one-step polishing systems when exposed to coffee solution. METHODS The resin composites tested were Filtek Supreme XT, Grandio, CeramX, Premise and Tetric EvoCeram. A total of 150 discs (30/resin composites, 10 x 2 mm) were fabricated. Ten specimens/resin(More)
OBJECTIVES The aim of this study was to investigate the clinical performance of 120 posterior composite restorations placed in 38 patients after a period of 7 years. METHOD AND MATERIALS Eighty-eight Class I and 32 Class II restorations were made (93 molars and 27 premolars) using three different resin composite materials: Z100, Clearfil Ray-Posterior,(More)
OBJECTIVE The purpose of this clinical study was to evaluate SureFil packable resin composite for posterior restoration of permanent teeth for a period of 3 years. METHOD AND MATERIALS Fifty-five resin composite restorations were placed in 36 patients (16 Class I and 39 Class II restorations). After cavity preparation, the enamel was etched with 34%(More)
In this in vitro study, we investigated the effects of the use of two different calcium hydroxide (Ca(OH)2) preparations as an intracanal dressing on the sealing ability of two different sealers were investigated. Eighty-eight freshly extracted, single-rooted maxillary anterior teeth were used. After the root canals were hand-instrumented, they were divided(More)
PURPOSE The purpose of this study was to compare the clinical performance of a polyacid modified resin composite and a nanocomposite applied with an antibacterial adhesive system over a period of 2 years in noncarious Class V lesions. MATERIALS AND METHODS Twenty-four patients with at least two noncarious cervical lesions were enrolled in the study. The(More)