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The Evaluation of Setting Time and FTIR Spectroscopy of Carbonate Apatite Cement as Endodontic Sealer

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Abstract:

The carbonate apatite (CO3Ap) cement as an endodontic sealer play an essential role for endodontics treatment due to its potential to obturate root canal system as one of the most important part in endodontic treatment. Moreover, the CO3Ap has probability of similarities with composition of root dentin. Recently, the setting time of commercial endodontic sealer has 4 hours to 1 day. Therefore, the aim of this present study is to evaluate setting time and to determine the functional group of the new material composition for endodontic sealer. CO3Ap cement sealer was prepared by mixing dicalcium phosphate anhydrous (DCPA), vaterite and calcium hydroxide [Ca (OH)2] with 0.2 mol/L Na2HPO4 containing 1% sodium carboxymethylcellulose (NaCMC) and 32 μg thymoquinone, with liquid to powder ratio of 0.6. The setting time was evaluated by Vicat needle method as describe on modification ISO 1566 for zinc phosphate cement. Five compositions of powder ratio were prepared in this study. The set CO3Ap cement sample was evaluated by Fourier Transform Infrared Spectroscopy (FTIR) to define the functional group of the sample. Setting time evaluation indicated that the average setting time of CO3Ap cement was 21 minutes of five compositions. The FTIR analyses revealed that the CO32- groups were detected, so the results could determine as B-type CO3Ap.The CO3Ap cement was considered fast setting as an endodontic sealer compared to sealers made from other base and proven to have similarities with the components of root dentin.

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Periodical:

Key Engineering Materials (Volume 782)

Pages:

32-37

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.782.32

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Online since:

October 2018

Authors:

Elfira Megasari, Hendra Dian Adhita Dharsono, Richata Fadil, Myrna Nurlatifah Zakaria, Sebastian Sunardhi Widyaputra, Arief Cahyanto*

Keywords:

Bioceramics, Carbonate Apatite, Endodontic Sealer, FTIR, Setting Time

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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