Fig. 1From: Efficacy of a new membrane obturator prosthesis in terms of speech, swallowing, and the quality of life of patients with acquired soft palate defects: study protocol of the VELOMEMBRANE randomized crossover trialThe membrane obturator prosthesis. A The device features a removable denture (or a palatal plate alone) with a rigid posterior extension (shown in the palatal and lateral views) and a thick dental dam. B The dental dam is inserted into the palatal groove and clipped onto medial denture pins. C Then the dam is pushed back, placed around the extension of the groove, and clipped onto exterior pinsBack to article page