Metrologic Evaluation of the Surface of White MTA After the Use of Two Endodontic Irrigants

Jack B. Smith; Robert J. Loushine; R. Norman Weller; Frederick A. Rueggeberg; Gary M. Whitford; David H. Pashley; Franklin R. Tay

doi:10.1016/j.joen.2006.12.002

Metrologic Evaluation of the Surface of White MTA After the Use of Two Endodontic Irrigants

Jack B. Smith, Robert J. Loushine, R. Norman Weller, Frederick A. Rueggeberg, Gary M. Whitford, David H. Pashley, Franklin R. Tay

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

This study examined the effects of calcium-depleting endodontic irrigants, ethylenediamine tetra-acetic acid (EDTA) and BioPure MTAD, on the dissolution, surface characteristics, and ultrastructural characteristics of white mineral trioxide aggregate (MTA). The latter was mixed in a 0.35 water-cement ratio, condensed into cylindrical wells created in Plexiglas platforms, and allowed to harden completely before initial treatment with 1.3% NaOCl and final treatments with either 17% EDTA for 5 minutes, or BioPure MTAD for 1, 3, or 5 minutes. Analysis of the mean depths of material removed using three-dimensional profilometry revealed significantly more material removed by BioPure MTAD. Although these minor depth changes (<10 μm) are unlikely to cause clinical concern, the BioPure MTAD-treated MTA surfaces exhibited higher surface roughness and with more calcium extracted when compared with EDTA treatment. Decomposition of particle-binding hydration phases by acid corrosion raises potential concern on the strength and sealing properties of MTA-repaired perforations following final irrigation by BioPure MTAD.

Original language	English (US)
Pages (from-to)	463-467
Number of pages	5
Journal	Journal of endodontics
Volume	33
Issue number	4
DOIs	https://doi.org/10.1016/j.joen.2006.12.002
State	Published - Apr 2007

Keywords

3-D profilometry
BioPure MTAD
EDTA
atomic absorption spectroscopy
dissolution
mineral trioxide aggregate
scanning electron microscopy
surface corrosion

ASJC Scopus subject areas

General Dentistry

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10.1016/j.joen.2006.12.002

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title = "Metrologic Evaluation of the Surface of White MTA After the Use of Two Endodontic Irrigants",

abstract = "This study examined the effects of calcium-depleting endodontic irrigants, ethylenediamine tetra-acetic acid (EDTA) and BioPure MTAD, on the dissolution, surface characteristics, and ultrastructural characteristics of white mineral trioxide aggregate (MTA). The latter was mixed in a 0.35 water-cement ratio, condensed into cylindrical wells created in Plexiglas platforms, and allowed to harden completely before initial treatment with 1.3% NaOCl and final treatments with either 17% EDTA for 5 minutes, or BioPure MTAD for 1, 3, or 5 minutes. Analysis of the mean depths of material removed using three-dimensional profilometry revealed significantly more material removed by BioPure MTAD. Although these minor depth changes (<10 μm) are unlikely to cause clinical concern, the BioPure MTAD-treated MTA surfaces exhibited higher surface roughness and with more calcium extracted when compared with EDTA treatment. Decomposition of particle-binding hydration phases by acid corrosion raises potential concern on the strength and sealing properties of MTA-repaired perforations following final irrigation by BioPure MTAD.",

keywords = "3-D profilometry, BioPure MTAD, EDTA, atomic absorption spectroscopy, dissolution, mineral trioxide aggregate, scanning electron microscopy, surface corrosion",

author = "Smith, {Jack B.} and Loushine, {Robert J.} and Weller, {R. Norman} and Rueggeberg, {Frederick A.} and Whitford, {Gary M.} and Pashley, {David H.} and Tay, {Franklin R.}",

note = "Funding Information: This study was supported by R01 grants DE 014911 and DE 015306 from the U.S. National Institute of Dental and Craniofacial Research (D.H.P.). The authors thank Donald Mettenberg for assistance with the 3-D profilometry, Aarti Arun for assistance with atomic absorption spectroscopy, and Michelle Barnes for secretarial support.",

year = "2007",

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doi = "10.1016/j.joen.2006.12.002",

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AU - Smith, Jack B.

AU - Loushine, Robert J.

AU - Weller, R. Norman

AU - Rueggeberg, Frederick A.

AU - Whitford, Gary M.

AU - Pashley, David H.

AU - Tay, Franklin R.

N1 - Funding Information: This study was supported by R01 grants DE 014911 and DE 015306 from the U.S. National Institute of Dental and Craniofacial Research (D.H.P.). The authors thank Donald Mettenberg for assistance with the 3-D profilometry, Aarti Arun for assistance with atomic absorption spectroscopy, and Michelle Barnes for secretarial support.

PY - 2007/4

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N2 - This study examined the effects of calcium-depleting endodontic irrigants, ethylenediamine tetra-acetic acid (EDTA) and BioPure MTAD, on the dissolution, surface characteristics, and ultrastructural characteristics of white mineral trioxide aggregate (MTA). The latter was mixed in a 0.35 water-cement ratio, condensed into cylindrical wells created in Plexiglas platforms, and allowed to harden completely before initial treatment with 1.3% NaOCl and final treatments with either 17% EDTA for 5 minutes, or BioPure MTAD for 1, 3, or 5 minutes. Analysis of the mean depths of material removed using three-dimensional profilometry revealed significantly more material removed by BioPure MTAD. Although these minor depth changes (<10 μm) are unlikely to cause clinical concern, the BioPure MTAD-treated MTA surfaces exhibited higher surface roughness and with more calcium extracted when compared with EDTA treatment. Decomposition of particle-binding hydration phases by acid corrosion raises potential concern on the strength and sealing properties of MTA-repaired perforations following final irrigation by BioPure MTAD.

AB - This study examined the effects of calcium-depleting endodontic irrigants, ethylenediamine tetra-acetic acid (EDTA) and BioPure MTAD, on the dissolution, surface characteristics, and ultrastructural characteristics of white mineral trioxide aggregate (MTA). The latter was mixed in a 0.35 water-cement ratio, condensed into cylindrical wells created in Plexiglas platforms, and allowed to harden completely before initial treatment with 1.3% NaOCl and final treatments with either 17% EDTA for 5 minutes, or BioPure MTAD for 1, 3, or 5 minutes. Analysis of the mean depths of material removed using three-dimensional profilometry revealed significantly more material removed by BioPure MTAD. Although these minor depth changes (<10 μm) are unlikely to cause clinical concern, the BioPure MTAD-treated MTA surfaces exhibited higher surface roughness and with more calcium extracted when compared with EDTA treatment. Decomposition of particle-binding hydration phases by acid corrosion raises potential concern on the strength and sealing properties of MTA-repaired perforations following final irrigation by BioPure MTAD.

KW - 3-D profilometry

KW - BioPure MTAD

KW - EDTA

KW - atomic absorption spectroscopy

KW - dissolution

KW - mineral trioxide aggregate

KW - scanning electron microscopy

KW - surface corrosion

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Metrologic Evaluation of the Surface of White MTA After the Use of Two Endodontic Irrigants

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Keywords

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