Teknologi dan Produk R&D PPM
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Researchers : Siti Mazatul Azwa Saiyed Muhd Nurddin and Malek Selamat

The leucite glass ceramics is produced using Malaysian silica sand as the Si02 raw material. Sintering of SiO2-Al2O3-K2O glass powder at 850°C for duration of 1 hour contributed to the crystallization of leucite. The leucite glass-ceramics has a flexural strength comparable with commercial product. The absence of apatite layer on the surface indicated that it is inert bioactive material. The leucite glass-ceramics is also ranked non-cytotoxic in terms of in-vitro cellular response to human cell lines under the prevailing test conditions.

Commercial application:

  • dental crowns
  • dental bridges
  • veneering material for a metal substrate


Siti Mazatul Azwa Saiyed Mohd Nurddin

Tel : +605 - 5477052
Fax : +605 - 5477185

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Jabatan Mineral dan Geosains Malaysia,
Lantai 20, Bangunan Tabung Haji,
Jalan Tun Razak, 50658 Kuala Lumpur.

Tel: (+603) 2161 1033
Faks: (+603) 2161 1036
Emel: info [at] jmg [dot] gov [dot] my

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