Analysis of the Hydroxyapatite Incorporate MTA Dental Application

Criseuda Maria Benício Barros; Sara Verusca de Oliveira; Janaina Benício Marques; Kaline Melo de Souto Viana; Ana Cristina Figueiredo de Melo Costa

doi:10.4028/www.scientific.net/MSF.727-728.1381

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Analysis of the Hydroxyapatite Incorporate MTA...

Analysis of the Hydroxyapatite Incorporate MTA Dental Application

Abstract:

This research was incorporated the hydroxyapatite in a mineral trioxide aggregate sealer, with the aim of studying this influence in the structure, morphology and radiopacity of the cement to obtain osteoconductive material. The samples were characterized by X ray diffraction (XRD), spectrometry fluorescence X ray (EDX), spectroscopy transform infrared Fourier (FTIR), scanning electron microscopy (SEM) and radiographic appearance. Through the results obtained by XRD for the new sealer observed the formation of phases HAp and MTA evidenced by the presence of phases: CaO, SiO₂and Bi₂O verified also by EDX. Through FTIR was observed the presence of absorption bands related to links Ca-O, Si-O and Bi-O present in MTA and P-O present in HAp. The morphology visualized by SEM consists of irregular agglomerates with the formation of pre-sintered particles. The sample MTA/HAp3% presented radiopacity viable for their application as endodontic cement.

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

1381-1386

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.1381

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Online since:

August 2012

Authors:

Criseuda Maria Benício Barros, Sara Verusca de Oliveira, Janaina Benício Marques, Kaline Melo de Souto Viana, Ana Cristina Figueiredo de Melo Costa

Keywords:

Calcium Phosphate, Endodontic, Hydroxyapatite (HAP), MTA

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