title: A simplified technique for fabricating a lightweight obturator.
abstract: Polyurethane foam was used as a core material in the fabrication of a lightweight obturator. This is a time-saving method of achieving a meaningful reduction in the total weight of a prosthesis while increasing strength and facilitating repair.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D010158:Palatal Obturators; D011140:Polyurethanes; D011474:Prosthesis Design
chemical_list: D011140:Polyurethanes