Development of novel tricalcium silicate-based endodontic cements with sintered radiopacifier phase

Clinical Oral Investigations
M XuerebJosette Camilleri

Abstract

All implants, bone and endodontic cements need to be sufficiently radiopaque to be able to be distinguished from neighbouring anatomical structures post-operatively. For this purpose, radiopacifying materials are added to the cements to render them sufficiently radiopaque. Bismuth oxide has been quite a popular choice of radiopacifier in endodontic materials. It has been shown to cause dental discoloration. The aim of this study was to develop, characterize and assess the properties of tricalcium silicate cement with alternative radiopacifiers, which are either inter-ground or sintered to the tricalcium silicate cement. Custom-made endodontic cements based on tricalcium silicate and 20 % barium, calcium or strontium zirconate, which were either inter-ground or sintered at high temperatures, were produced. The set materials stored for 28 days in Hank's balanced salt solution were characterized by scanning electron microscopy and X-ray diffraction analysis. Assessment of pH, leaching, interaction with physiological solution, radiopacity, setting time, compressive strength and material porosity were investigated. Mineral trioxide aggregate (MTA) Angelus was used as control. Addition of radiopacifying materials improved the radiopa...Continue Reading

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Citations

Jun 25, 2017·Journal of Dentistry·Maria Teresa Arias-MolizJosette Camilleri
Jul 22, 2017·European Journal of Dentistry·Sandra ChakarIssam Khalil
Feb 13, 2021·International Endodontic Journal·T B M AntunesM A Marciano
Dec 5, 2018·Dental Materials : Official Publication of the Academy of Dental Materials·Shaymaa E ElsakaAlaa H Elshazli

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