Palatal ObturatorsHernia, ObturatorPalatePalatal NeoplasmsIschiumDental Impression TechniquePalate, HardPalatal MusclesPubic BoneDental Prosthesis RetentionPubic SymphysisDenture, Complete, UpperDenture RetentionObturator NervePelvisVelopharyngeal InsufficiencyDental Prosthesis DesignMaxillaDenture, PartialEpigastric ArteriesOral FistulaCleft PalateCadaverMaxillary Neoplasms