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Materials 2017, 10(10), 1219; doi:10.3390/ma10101219

Aspects of Solvent Chemistry for Calcium Hydroxide Medicaments

1
Private dental practice, Annerley, QLD 4013, Australia
2
School of Dentistry, University of Queensland, Herston, Brisbane, QLD 4004, Australia
*
Author to whom correspondence should be addressed.
Received: 13 September 2017 / Revised: 17 October 2017 / Accepted: 17 October 2017 / Published: 23 October 2017
(This article belongs to the Special Issue Dental Biomaterials 2017)
View Full-Text   |   Download PDF [421 KB, uploaded 24 October 2017]   |  

Abstract

Calcium hydroxide pastes have been used in endodontics since 1947. Most current calcium hydroxide endodontic pastes use water as the vehicle, which limits the dissolution of calcium hydroxide that can be achieved and, thereby, the maximum pH that can be achieved within the root canal system. Using polyethylene glycol as a solvent, rather than water, can achieve an increase in hydroxyl ions release compared to water or saline. By adopting non-aqueous solvents such as the polyethylene glycols (PEG), greater dissolution and faster hydroxyl ion release can be achieved, leading to enhanced antimicrobial actions, and other improvements in performance and biocompatibility. View Full-Text
Keywords: endodontics; medicaments; calcium hydroxide; polyethylene glycol; alkalinity; disinfection endodontics; medicaments; calcium hydroxide; polyethylene glycol; alkalinity; disinfection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Athanassiadis, B.; Walsh, L.J. Aspects of Solvent Chemistry for Calcium Hydroxide Medicaments. Materials 2017, 10, 1219.

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