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| LETTER TO EDITOR |
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| Year : 2013 | Volume
: 3
| Issue : 1 | Page : 39 |
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To the editor
Saeed Asgary
Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| Date of Web Publication | 7-Aug-2013 |
Correspondence Address:
Saeed Asgary
Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti Dental School, Evin, Tehran
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/1658-5984.116279
How to cite this article:
Asgary S. To the editor. Saudi Endod J 2013;3:39 |
Sir,
Reviewing and reading the original article "Biocompatibility assessment of modified Portland cement in comparison with MTA ® : In vivo and in vitro studies; Khalil et al. 2012;2:6-13" was highly interesting. The authors presented data from multiple in vitro as well as in vivo studies regarding biocompatibility of a modified Portland cement (MPC) and concluded that "clinical studies should be carried out on MPC before it can be introduced in our clinical practice."
Numerous in vitro studies demonstrated that chemical compounds in both gray/white mineral trioxide aggregate (MTA) and gray/white Portland cement (PC) are similar except the presence of bismuth oxide in MTA. [1],[2] A growing body of evidence suggests that PC could be used clinically as an effective and less expensive MTA alternative; however, the presence of toxic metals such as arsenic and lead in the PC is one of the obstacles to this. Primus strictly stated that according to Food and Drug Administration (FDA) and Conformité Européenne (CE) regulations as well as ethical considerations materials that are manufactured outside of the dental industries should not be used in the clinical practice. [3]
| References | |  |
| 1. | Asgary S, Parirokh M, Eghbal MJ, Brink F. A comparative study of white mineral trioxide aggregate and white Portland cements using X-ray microanalysis. Aust Endod J 2004;30:89-92. 
[PUBMED] |
| 2. | Asgary S, Eghbal MJ, Parirokh M, Ghoddusi J, Kheirieh S, Brink F. Comparison of mineral trioxide aggregate's composition with Portland cements and a new endodontic cement. J Endod 2009;35:243-50.
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| 3. | Primus CM. Comments on "arsenic release provided by MTA and Portland cement" by Duarte MA, et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2006;101:416-7; author reply 417-8.
[PUBMED] |
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