Dimensional precision and volumetric shrinkage of PMMA denture bases polymerized with different methods

Dimensional precision of denture bases is a crucial factor for gaining denture retention and for attainment of clinically acceptable dentures. The dimensional precision of various denture base acrylic resins processed by the injection-molding method has not been extensively studied. Therefore, the aim of this study was to investigate the dimensional accuracy and stability of denture base materials processed by their respective injection-molding techniques by conducting and comparing the linear, volumetric, and posterior palatal seal distortion measurements over a three months observation period while the specimens are stored in 37°C temperature distilled water.


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