椅旁CAD/CAM（CEREC AC TM）全瓷修复的临床回顾性研究

Abstract

Abstract: Objective To evaluate the clinical effects of all-ceramic restoration with chairside CAD/CAM system (CEREC ACTM). Methods A total of 667 large CEREC ACTM single-tooth all-ceramic restorations were fabricated to restore different tooth defection in 619 patients. After 1 year 603 teeth from 597 patients were reevaluated according to modified USPHS criteria regarding aesthetic properties, e.g., “anatomic form”, “color match”, “marginal discoloration” and “surface roughness”; functional properties, e.g., “marginal integrity”, wear include “proximal contact” and “static/dynamic occlusal relationship”; and biological properties, e.g., “tooth vitality” and “secondary caries”. Results The clinical follow-up showed that survival rate was 95.11% in our study. In these failure cases, bulk fracture of all-ceramic restorations still accounted for well up 83% of the total. 93% of the restorations revealed sufficient ratings for esthetic properties. 82% of the restorations maintained favorable ratings for functional properties. No biological complications, for example, caries, hypersensitivity, were observed. Conclusion The sufficient rating of modified USPHS criteria demonstrates that all-ceramic chairside CAD/CAM (CEREC ACTM) generated restorations in clinical performance are favorable. Therefore, long-term follow-up studies are needed to assess the clinical effects of all-ceramic restorations with chairside CAD/CAM system.

Key words: chairside CAD/CAM, CEREC, tooth defect, all-ceramic

CLC Number:

R783.3

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Clinical retrospective study of chair side CAD/CAM（CEREC ACTM）-fabricated ceramic restoration

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