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Purpose: To evaluate the clinical effect of rehabilitation with a magfit-attachment-linked sectional obturator prosthesis for maxillary defect and placket restrained.Methods: The magfit-attachment-linked sectional obturator prosthesis was applied to treat 6 patients with maxillary defect and placket restrained.The integrative hollow obturator was for other 4 patients with maxillary defect only.The masticatory efficiency and speech intelligibility were measured respectively.The clinical effect of prosthesis was reflected individually.