نتایج جستجو برای: resin blocks

تعداد نتایج: 108981  

Journal: :International Journal of Polymer Science 2022

The use of natural fiber-reinforced polymer composites has increased over a period time, majorly due to the ecosustainability and biodegradability composites. Among several grades fibers, bamboo fibers offer numerous environmental cost benefits possess excellent mechanical characteristics. superior properties have triggered research interests in domain polymers, polyesters are long chain molecu...

2016
Raghunath Patil Heena Sharma Dolly Gupta

Purpose: Study was to compare the biofilm development of candida albicans on two different types of abraded surfaces of heat cure PMMA and flexi denture material. Materials And Methods: 4 blocks of each heat cure resin and flexible denture material were prepared of 10*10*10mm and 10*10*3mm in size respectively. All blocks were then subjected to abrasion with p100 grit size dry sand paper or wit...

2017
Peter O. Gerrits Bernhard Eppinger Harry van Goor Richard W. Horobin

Methods for preparing standardized glycol methacrylate (GMA) based embedding media for use in light microscopy in a rational, precise and reproducible manner are described . The application of these procedures resulted in a versatile, low toxicity GMA embedding medium. GMA embedding medium and resin blocks were tested utilizing a variety of physico-chemical techniques, namely: gas chromatograph...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. khoroushi sh. motamedi

objective: different ceramic repair systems have been reported for fractured ceramics. however, limited information is available concerning the bond strength of these systems especially after thermocycling. the aim of this in-vitro study was to determine the effect of thermocycling on the shear bond strength of composite-resin to feldspathic porcelain with and without silane pretreatment. mater...

Journal: :Journal of endodontics 1993
J J Juhlin R E Walton J S Dovgan

The desired result of the Thermafil system is described as a centered carrier encased by gutta-percha in apposition to the canal walls. This study examined, in curved canals, the intracanal relationships of: (a) the metal carrier; (b) the surrounding gutta-percha; and (c) the sealer. Following the manufacturer's recommended techniques, 20 resin blocks that had canals prepared with conservative ...

Journal: :Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial 2021

Objective: To evaluate the influence of type cement on fracture resistance full-contour resin nanoceramic crowns cemented over preparations with knife-edge margins. Methods: A right lower premolar typodont model was prepared a 1.5-mm axial reduction, 2.0-mm occlusal and vertical margin. An anatomical crown designed from digital scanning preparation using CAD/CAM software. Then, 20 were milled b...

Journal: :European Annals of Dental Sciences 2021

Purpose: This study investigated discoloration and surface roughness (Ra) of resin-based computer aided design (CAD)/computer manufacturing (CAM) blocks direct indirect resin composites after staining with coffee. Materials & Methods: Using a Teflon mold, 60 disc shaped specimens (8×2 mm2) were fabricated from (Estelite Asteria GrandioSO) (Gradia Plus) composites, 30 CAD/CAM (12×14×2 mm3) p...

Journal: :Journal of Oral Science 2021

Purpose: This study assessed radiopacity of resin-based computer-aided-design/computer-aided-manufacturing (CAD/CAM) materials by areal grayscale pixel value measurement.

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