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《Beijing Journal of Stomatology》 2004-04
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SUN Mo-yu et al.Faculty of Stomatology,Capital University of Medical Sciences,Beijing 100050  
Objective: To observe the results of single cast metal post-core retained complete crown in the treatment of posterior teeth with large defects. Methods: Of 36 molars selected in this study,27 maxillary molars were restored with post-core system and the average length of the posts was 7 .05 mm,and 9 mandibular molars repaired with post-core fixed in single root canal and the average length of the posts was 6 .39 mm.Porcelain-fused-to-metal crown,metal complete crown,inlay crown were designed respectively according to the height of clinical crown. Results: Six to seven mm long sinlge post alone provided a satisfactory retention There was no significant difference in biting force between the crowned tooth and the control tooth. Conclusion: Cast post with certain length had a satisfactory effect for retention.For mandibular molars with curved canals two cast intraradicular posts and resin composite building-up can be used for retention and support.
【CateGory Index】: R783.3
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