Effect of the CAD/CAM zirconia all-ceramic crown restoration on periodontal tissue

doi:10.3969/j.issn.2095-4344.2014.30.008

Abstract

Abstract:

BACKGROUND: To maintain the long-term effect of full crown largely depends on the health of periodontal tissues.
OBJECTIVE: To explore the effect of CAD/CAM zirconia all-ceramic crown restoration on the state of periodontal health.
METHODS: Sixty-four abutments of 55 patients were randomly divided into two groups: the experimental group included 32 abutments of 29 patients which would be restored by CAD/CAM zirconia all-ceramic crowns; the controlled group included 32 abutments of 26 patients which would be restored by Ni-Cr alloy porcelain-fused-to- metal restorations. The volume of gingival crevicular fluid and the levels of interleukin-6 and tumor necrosis factor-α in the two groups were examined at the pre-restoration and post-restoration stages. Meanwhile, periodontal clinical indicators, including sulcus bleeding index, probing depth, plaque index and attachment loss were recorded.
RESULTS AND CONCLUSION: No difference in various indexes was found in the experimental group before and after restoration (P > 0.05). At 12 months after restoration, in the control group, the volume of gingival crevicular fluid, the levels of interleukin-6 and tumor necrosis factor-α, sulcus bleeding index, probing depth, and plaque index were all increased (P > 0.05); meanwhile, these indexes in the experimental group were significantly lower than those in the control group (P < 0.05). Experimental findings suggest that the CAD/CAM zirconia all-ceramic crown restoration is more favorable to the health of periodontal tissues.

中国组织工程研究杂志出版内容重点：生物材料；骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性；组织工程

全文链接：

Key words: metal ceramic alloys, tumor necrosis factor-alpha, interleukin-6

CLC Number:

R318

Shang Li-juan, Wu Yan, Xu Yong-jun. Effect of the CAD/CAM zirconia all-ceramic crown restoration on periodontal tissue[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(30): 4804-4809.

Figures/Tables 1

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