Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

Analysis of Chemical Constitutions of MTA and 3 Portland Cements

EDS (Energy Dispersive Spectrometry)를 이용한 Mineral Trioxide Aggregate와 3종의 포틀랜드 시멘트의 성분비교에 관한 연구

  • Chang, Seok-Woo (Dept. of Conservative Dentistry, College of Dentistry, Wonkwang University) ;
  • Bae, Kwang-Shik (Dept. of Conservative Dentistry, College of Dentistry, Seoul National University)
  • 장석우 (원광대학교 치과대학 치과보존학 교실) ;
  • 배광식 (서울대학교 치과대학 치과보존학 교실)
  • Published : 2007.03.30
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Abstract

Mineral Trioxide Aggregate(MTA) has been used in Endodontic treatment successfully for more than 10 years. But the high cost of MTA limits its use in endodontics in Korea. Recently many studies have been done to compare MTA and Portland cements. To investigate the chemical constitutions of MTA (Proroot MTA, Tulsa Dental), Gray Portland cement (Lafarge Halla cement), White Portland cement(Union corp), and fast setting cement (SSangyong cement), we performed SEM(scanning electron microscope)(S4700, Hitachi) examination and EDS(Energy dispersive spectrometry)(emax, Horiba) analysis. SEM examination and EDS analysis were committed to and performed in SNU DRI (Seoul National University Dental Research Institute). We found that particles of MTA were relatively round, uniform in size, and compactly packed compared to Portland cements. Chemical constitutions of MTA, GPC, WPC and FSC were similar. It was shown that MTA contains much BiO2 . MTA and WPC showed less heavy metals such as Fe and Mg compared to GPC and FSC. FSC showed remarkably high aluminum content.

Keywords

Acknowledgement

Supported by : 원광대학교

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