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Zirconium post 와 all-ceramic crown 을 이용한 심미수복:증례보고
박병철,노기선 朝鮮大學校 口腔生物學硏究所 1999 口腔生物學硏究 Vol.23 No.2
After successful endodontic treatment. the restoration of the weakened remaining tooth structure. which is highly prone to fracture, is normally required. In other words, a preprosthetic build-up of the missing tooth structure is necessary. The purpose of this case report is to present the patient satisfaction in anterior esthetic treatment b zirconia post and ceramic core. Ceramics have drawn attention in fixed prosthodontics as it is highly esthetic and biocompatible. Recently, ceramic post and core was developed in order to overcome disadvantages of the conventional metal post and core. With the development of zirconia ceramic, many researches regarding zirconia post have been reported. The zirconium ready-made post has many advantages. It is more convenient and esthetic than the conventional metal post and core, non-corrosive, highly biocompatible, less irritative to the marginal periodontal tissues, satisfying the esthetic needs even after progression of gingival recession. We are reporting two clinical cases treated with CosmoPost^(R)(Ivoclar) together with the IPS-Empress system^(R)(EP500, Ivoclar North America). The core pattern started with waxing up of the zirconia post, investing, burning out, and pressing with the Empress technique in hot furnace. It was shown that the systems used in this case have an effect on fractured tooth and white opaque post and all-ceramic crown is desirable to optically improve the fractured anterior tooth.
박철,노기선 朝鮮大學校 口腔生物學硏究所 1999 口腔生物學硏究 Vol.23 No.2
An abundance of new materials and techniques that challenge the clinician to recommend and provide the appropriate restoration for each clinical situation have been developed in the last decade. Esthetic restorations should restore the entire tooth or portion of the tooth to appropriate function and at the same time enhance the esthetic apprearance of the tooth. Such restorations must also prove to be relatively durable. Placement of restorations with excellent esthetics but with minimal expectations of longevity can be viewed as unethical. Recently, a second generation composite resin system, described as ceramic optimized polymers, has been introduced with significantly improved mechnical properties, recommended for a wide variety of restorations including inlays/onlays. The purpose of this study was to assess its clinical usefulness by using Targis^(R) and to present a case report.