Dental Journal (Majalah Kedokteran Gigi)
ISSN 1978-3728
Vol. 40 / No. 1 / Published : 2007-01
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Original Article :
A comparison of three dimensional changein maxillary complete dentures between conventional heatpolymerizing and microwave polymerizing techniques
Author :
- Shinsuke Sadamori*1
- Toshiya Ishii*2
- Taizo Hamada*3
- Arifzan Razak*4
- Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima-Japan
- Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima-Japan
- Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima-Japan
- Department of Prosthodontics, Faculty of Dentistry, Airlangga University, Surabaya-Indonesia
Abstract :
The purpose of this study was to measure and compare two different polymerizing processes,heat polymerizing(HP)and microwave polymerizing (MP), on the three dimensional changes in the fitting surface and artificial teeth of maxillary complete dentures. A three-dimensional coordinate measurement system was used to record distortion of the specimens. The distortion of the fitting surface was measured from the reference plane on the fitting side from which a coordinate system was set, and the movement of the artificial teeth and the distortion of the polished surface was measured from the reference plane of the artificial tooth side, from which a coordinate system was set. It was clearly showed that various distortions of denture specimens after polymerization process can be measured with this three-coordinate measuring machine. The study showed that the overall distortion of the fitting surface in HP specimens was shown to be larger than in MP ones.
Keyword :
maxillary complete denture, three dimensional change, microwave polymerizing ,
References :
Archive Article
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Volume : 40 / No. : 1 / Pub. : 2007-03 |
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