2 臼歯部歯冠用硬質レジンクラウンの臨床評価 (第437回大阪歯科学会例会)

概要

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We conducted clinical tests of Hybrid Ceramics (HCC-4S), a newly developed crown material, by observing the clinical course of patients immediately after placement, at one week, and at three months. Forty-seven subjects, 10 males and 37 females, were selected. The restoration sites included one anterior tooth, 22 premolars and 24 molars. The condition of gingival margins generally improved after placement. Although occlusal wear of the crowns and was almost nonexistent, shiny spots were noticed in two cases. Three of the crowns fractured, two during temporary fitting and one after placement. We concluded that the Hybrid Ceramics (HCC-4S) is appropriate for the coronal restoration of posterior teeth. It has excellent strength, biocompatibility and esthetic properties.
大阪歯科学会の論文
1994-12-25