Results 51 to 60 of about 51,800 (290)

A Comparative Evaluation of the Effect of Resin based Sealers on Retention of Crown Cemented with Three Types of Cement – An In-vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Aim: In an effort to control postoperative sensitivity, dentin sealers are being applied following crown preparations, with little knowledge of how crown retention might be affected.
Sumeet Sharma   +5 more
doaj   +1 more source

The use of Bioceramics as root-end filling materials in periradicular surgery: a literature review [PDF]

open access: yes, 2018
Introduction: Periradicular surgery involves the placement of a root-end filling following root-end resection, to provide an apical seal to the root canal system. Historically several materials have been used in order to achieve this seal.
Abusrewil, Sumaya M.   +2 more
core   +1 more source

Clinical studies on glass ionomer cements: Part 2 - A two year clinical study comparing glass ionomer cement with zinc phosphate cement

open access: yesAustralasian Orthodontic Journal, 1987
A clinical trial has been carried out on 198 patients with fixed appliances to compare the relative performance of a glass ionomer cement with a zinc phosphate cement as an orthodontic luting agent.
Fricker John P., McLachlan Mark D.
doaj   +1 more source

Original Research Article Effect of Radiotherapy on Flexural Strength of Luting Cementsan In Vitro Study [PDF]

open access: yes, 2023
Aim - The aim of this study was to evaluate changes in the flexural strength of luting cements due to radiotherapy. Methodology- Total of 90 rectangular specimens of 25×2×2 mm dimension were fabricated by utilizing the putty consistency polyvinyl ...
Palak Abhishek Pandya   +5 more
core   +3 more sources

Assessment of the tensile strength of hexagonal abutments using different cementing agents

open access: yesBrazilian Oral Research, 2008
The aim of this study was to assess the uniaxial tensile strength after thermal cycling in replicas of CeraOne®abutments (abutment and coping sets), using four types of cements (n = 10).
Carlos Wahl   +4 more
doaj   +1 more source

Amorphous calcium phosphates: synthesis, properties and uses in biomaterials [PDF]

open access: yes, 2010
This review paper on amorphous calcium phosphates (ACPs) provides an update on several aspects of these compounds which have led to many studies and some controversy since the 1970s, particularly because of the lack of irrefutable proof of the occurrence
Combes, Christèle, Rey, Christian
core   +1 more source

Application and research review of cemented carbide heterogeneous brazing coating additive manufacturing [PDF]

open access: yesarXiv, 2022
As one of the important methods for surface modification of materials and life extension of key components, cemented carbide brazing coatings are widely used in agricultural machinery, oil drilling, aerospace and other fields, it has also attracted the attention of scholars in the field of surface modification at home and abroad.
arxiv  

Association of macroscopic laboratory testing and micromechanics modelling for the evaluation of the poroelastic parameters of a hardened cement paste [PDF]

open access: yesCement and Concrete Research 40, 8 (2010) 1197-1210, 2010
The results of a macro-scale experimental study performed on a hardened class G cement paste [Ghabezloo et al. (2008) Cem. Con. Res. (38) 1424-1437] are used in association with the micromechanics modelling and homogenization technique for evaluation of the complete set of poroelastic parameters of the material.
arxiv   +1 more source

Evaluation of the effect of desensitizing agents on the retention of complete cast crowns: An in vitro study

open access: yesSRM Journal of Research in Dental Sciences, 2014
Purpose: Dentin desensitizing agents are commonly used in dental practice. But their effect on crown retention have been anecdotal. This study compared and evaluated the effect of two desensitizing agents on the retention of cast crowns cemented with ...
Arun Prakash Chandrasekaran   +5 more
doaj   +1 more source

From Mechanoelectric Conversion to Tissue Regeneration: Translational Progress in Piezoelectric Materials

open access: yesAdvanced Materials, EarlyView.
This review highlights recent progress in piezoelectric materials for regenerative medicine, emphasizing their ability to convert mechanical stimuli into bioelectric signals that promote tissue repair. Key discussions cover the intrinsic piezoelectric properties of biological tissues, co‐stimulation cellular mechanisms for tissue regeneration, and ...
Xinyu Wang   +3 more
wiley   +1 more source

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