Magnetically connected removable sectional denture for a maxillary defect with severe undercut: a clinical report.

A removable sectional denture connected by a cobalt-samarium magnetic retention system ( Hicorex for a patient with a severe maxillary defect was described. After an observation period of 5 years, the obturator continues to function, with no deleterious effects resulting from the use of prosthetic components. This magnetic retention system is considered to be clinically useful for interrelating and retaining a sectional prosthesis parts.