RESUMEN
Objective To compare the clinical effect of different materials dentures in repaired of teeth. Methods A retrospective analysis of 570 patients with framework removable partial dentures , which were divided into the Vitallium 2000 group, the pure titanium group and the Co-Cr alloy group randomly from Jan. 2010 to Dec. 2012 in our hospital. Compare the clinical effect of three groups. Results The emplacement rate (χ2=10.283,P0.05)of three groups weren′t statistical different significantly. The degree of comfort(χ2= 6.827,P < 0.05),the speech satisfaction(χ2= 6.002,P < 0.05) and the chewing speech satisfaction (χ2=5.838,P<0.05)three groups were statistical different significantly. Conclusion The clinical effect of the Vitallium 2000 group is better of weight , strength and stability than other groups. The Vitallium 2000 frame removable partial denture is nontoxic , fastness and no peculiar smell , which could be ensure the aesthetics , the degree of comfort and improve the masticatory efficiency , worthy to recommend its clinical use.