Clinical comparison of different materials as posterior dental implants

doi:10.3969/j.issn.2095-4344.2014.12.009

Abstract

Abstract:

BACKGROUND: Studies have shown that selection of implant crowns that directly impact the service life of implants and patient’s periodontal health is very important.
OBJECTIVE: To compare the clinical effects of Lava zirconia crowns, goal-platinum alloy ceramic crowns and silver-palladium alloy crowns supplemented by dental implants used in the single missing posterior tooth.
METHODS: Sixty patients with first molar missing (120 teeth) were divided into three groups and treated with Lava zirconia, goal-platinum alloy ceramic and silver-palladium alloy crowns applied to the dental implants for posterior column defects. The clinical restorative effects of three prostheses were compared.
RESULTS AND CONCLUSION: During 6-48 months of follow-up, the gingival edge coloring, gingival margin microleakage, the color of prosthesis of Lava zirconia alloy ceramic crowns and gold-platinum alloy ceramic crowns were better than those of silver-palladium alloy crowns, and the gingival edge coloring and the color of prosthesis of Lava zirconia alloy ceramic crowns were better than those of gold-platinum alloy ceramic crowns, while the gingival margin microleakage of gold-platinum alloy ceramic crowns was better than that of Lava zirconia alloy ceramic crowns. Silver-palladium alloy crowns were lower than Lava zirconia ceramic crowns and gold-platinum alloy ceramic crowns in the fracture extent. But silver-palladium alloy crowns had the highest gingival index, the worst gingival health and rapidest and most severe plaque formation. Therefore, Lava zirconia all-ceramic crowns and gold platinum alloy-porcelain crown are ideal prostheses for implant restorations. The former has better biocompatibility, and the latter shows better marginal adaptation.

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: dental implants, dental alloys, metal ceramic alloys, tooth preparation, prosthodontic

CLC Number:

R318

Yao Xi, Li Yun-sheng, Hu Dong-mei, Dai Yong-yu. Clinical comparison of different materials as posterior dental implants[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(12): 1858-1863.

Figures/Tables 2

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