obturator appliance
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ob·tu·ra·tor ap·pli·ance
an appliance used to obliterate congenital or acquired defects of the palate and surrounding structures, usually made of acrylic or rubber.
ob·tu·ra·tor ap·pli·ance
(obtŭr-ā-tŏr ă-plīăns)Device used to obliterate congenital or acquired defects of palate and surrounding structures, usually made of acrylic or rubber.