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Clinical Oral Investigations

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01-11-2015 | Original Article

Calcium silicate/calcium phosphate biphasic cements for vital pulp therapy: chemical-physical properties and human pulp cells response

Authors: M. G. Gandolfi, G. Spagnuolo, F. Siboni, A. Procino, V. Rivieccio, G. A. Pelliccioni, C. Prati, S. Rengo

Published in: Clinical Oral Investigations | Issue 8/2015

Abstract

Objectives

The aim was to test the properties of experimental calcium silicate/calcium phosphate biphasic cements with hydraulic properties designed for vital pulp therapy as direct pulp cap and pulpotomy.

Methods

CaSi-αTCP and CaSi-DCDP were tested for ion-releasing ability, solubility, water sorption, porosity, ability to nucleate calcium phosphates, and odontoblastic differentiation—alkaline phosphatase (ALP) and osteocalcin (OCN) upregulation—of primary human dental pulp cells (HDPCs).

Results

The materials showed high Ca and OH release, high open pore volume and apparent porosity, and a pronounced ability to nucleate calcium phosphates on their surface. HDPCs treated with CaSi-αTCP showed a strong upregulation of ALP and OCN genes, namely a tenfold increase for OCN and a threefold increase for ALP compared to the control cells. Conversely, CaSi-DCDP induced a pronounced OCN gene upregulation but had no effect on ALP gene regulation.

Conclusions

Both cements showed high biointeractivity (release of Ca and OH ions) correlated with their marked ability to nucleate calcium phosphates. CaSi-αTCP cement proved to be a potent inducer of ALP and OCN genes as characteristic markers of mineralization processes normally poorly expressed by HDPCs.

Clinical relevance

Calcium silicate/calcium phosphate cements appear to be attractive new materials for vital pulp therapy as they may provide odontogenic/dentinogenic chemical signals for pulp regeneration and healing, and dentin formation in regenerative endodontics.

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Title: Calcium silicate/calcium phosphate biphasic cements for vital pulp therapy: chemical-physical properties and human pulp cells response
Authors: M. G. Gandolfi
G. Spagnuolo
F. Siboni
A. Procino
V. Rivieccio
G. A. Pelliccioni
C. Prati
S. Rengo
Publication date: 01-11-2015
Publisher: Springer Berlin Heidelberg
Published in: Clinical Oral Investigations / Issue 8/2015
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-015-1443-2

At a glance: The STEP trials

Springer Medicine

Calcium silicate/calcium phosphate biphasic cements for vital pulp therapy: chemical-physical properties and human pulp cells response

Abstract

Objectives

Methods

Results

Conclusions

Clinical relevance

At a glance: The STEP trials

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusions

Clinical relevance

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