氧化锆和氧化铝种植瓷基台的临床应用研究

doi:10.3877/cma.j.issn.1674-1366.2007.01.012

中华口腔医学研究杂志(电子版) ›› 2007, Vol. 01 ›› Issue (01) : 40 -43. doi: 10.3877/cma.j.issn.1674-1366.2007.01.012

临床研究

氧化锆和氧化铝种植瓷基台的临床应用研究

陈卓凡¹^,^†, 邓飞龙¹, 罗智斌¹, 张辉¹, 曾融生²

1.510055 广州，中山大学光华口腔医学院口腔种植科
2.510055 广州，中山大学光华口腔医学院口腔颌面外科

收稿日期:2007-01-28 出版日期:2007-02-01
通信作者: 陈卓凡

Clinical study of alumina and zirconia ceramic abutments for Brånemark and Replace implant systems

Zhuo-fan CHEN¹^,^†, Fei-long DENG¹, Zhi-bin LUO¹, Hui ZHANG¹, Rong-sheng ZENG¹

1.Department of Oral Implantology， Guanghua School of Stomatology， Sun Yat-sen University，Guangzhou 510055， China

Received:2007-01-28 Published:2007-02-01
Corresponding author: Zhuo-fan CHEN

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目的

评估Brånemark 和Replace 种植系统氧化铝及氧化锆瓷基台支持的单个前牙种植全瓷冠的临床疗效。

方法

23 例患者共35 颗种植全瓷冠完成修复后12～48 h，考察瓷基台及其支持的全瓷冠有无松动、破损或折裂，评估种植体周软硬组织情况及患者对修复美学效果的主观评价。

结果

19 例患者在12～48 h 内疗效良好。 2 例患者2 颗全瓷冠戴入后松脱；1 例患者1 颗全瓷冠戴入1 周后出现折裂；1 例患者1 颗种植体修复后24 h 瓷基台折裂。随诊期间种植体周软硬组织维持健康状况。患者对修复美学效果满意。

结论

临床应用表明Brånemark 和Replace 种植系统瓷基台机械性能良好，其支持的单个前牙种植全瓷冠修复体周软硬组织情况稳定，可以取得满意的美学效果。

关键词: 种植修复, 瓷基台, 氧化铝, 氧化锆

Objective

This clinical study was to evaluated implant ceramic abutments made of aluminum oxide or zirconium oxide，provided by Brånemark and Replace implant systems， with respect to their mechanical properties and peri-implant tissue reaction over time.

Methods

Twenty-three patients with 35 single-tooth implant-support ceramic crowns were included.All-ceramic （IPSEmpress2） crowns were cemented with composite cement. Restorations were evaluated for esthetic outcomes as well as technical problems such as fracture of abutment or crown and loosening of abutment screw or crown during observation period of 12 to 48 months after functional loading.Simplified Gingival Indices were recorded at implants， peri-implant bone levels were radio-graphically determined at the 2 week and 1-year examination.

Results

All but 4 of the 23 patients kept in good function during the observation period.The median observation period for the restorations was 21 months. Crown loosening was reported for 2 restorations at 1 week and 2-year， respectively. Crown fracture was recorded for 1 restoration one week after loading. One abutment made of aluminum oxide fractured after 2-year loading. Mean marginal bone loss was measured （1.2±0.5）mm after 1 year loading. Healthy conditions of the peri-implant mucosa in relation to abutment／crown were maintained with mean Gingival Index measured 0.6±0.2 after 1-year loading. Patients were satisfied with the final esthetic outcomes.

Conclusions

The results demonstrated both alumina and zirconia abutments provided by Brånemark and Replace implant systems offered sufficient stability to support esthetic implantsupported single-tooth restorations in anterior region. The soft and hard tissue reaction toward both ceramic abutments was favorable.

Key words: Implant prosthesis, Ceramic abutment, Alumina, Zirconia

表1 完成修复后2 周及12 个月后种植体周简化牙龈指数

完成修复时间	平均值	标准差
２周	０.５	０.２
１２个月	０.６	０.２

表1 完成修复后2 周及12 个月后种植体周简化牙龈指数

完成修复时间	平均值	标准差
２周	０.５	０.２
１２个月	０.６	０.２

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