総義歯の重合変形に関する研究

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  • Three dimensional changes of complete denture before and after polymerization

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Fabrication procedure, particularly polymerization of acrylic resin, is known to cause the deformation of complete dentures which might be a cause of ill-fitting of denture. The dimensional changes of denture, caused by polymerization, should affect the whole profile of denture. Hence, the purpose of this study was to analyse the dimensional changes in the whole profile of complete denture before and after polymerization by using non-contact three-dimensional surface scanner. The results have shown that fabrication causes the dimensional changes in the position of artificial tooth, thickness of palatal part of denture as well as the uplift of posterior border.

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