Application of the self-glazed zirconia crown for Bicon implant restoration at limited interocclusal space
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摘要:
目的 探讨数字化釉锆全瓷冠在低（牙合）龈距离Bicon种植修复中的应用。 方法 42例（牙合）龈距离不足的牙列缺损的患者植入55颗Bicon种植体，根据所选基台进行数字化设计制作釉锆全瓷冠，体外进行基台牙冠的粘接，形成一体化基台冠，完成固定式种植义齿修复，并对修复体进行1~30月的回访。 结果 55颗种植体存活率为98.18%，修复体返工率为0%，最长达30个月的观察期内未发生崩瓷及冠脱落。 结论 数字化釉锆冠能够解决咬合空间不足所引起的Bicon种植后期修复问题，同时其强度大，密合度高，具有较好的功能及美学效果，为（牙合）龈距离不足的种植患者提供新的修复方法。 Abstract:Objective To explore the application of self-glazed zirconia crowns to restore Bicon implant in limited interocclusal spaces. Methods 55 bicon implants were implanted in 42 patients with limited interocclusal space in edentulous area and the digital design and manufacture was used to fabricate self-glazed zirconia crown according to the selected abutment. The abutment and the crown were bonded together to form an integrated base crown to restore the edentulous area. The follow-up period is up to 1-30 months. Results the survival rate of the 55 implants was 98.18%, and the reworking rate of the prosthesis was 0%. No porcelain collapse or crown shedding occurred during the observation period of up to 30 months. Conclusion The self-glazed zirconia crown fabricated by CAD has been successfully used in Bicon implants with limited interocclusal space. The self-glazed zirconia crowns showed excellent aesthetic effects, marginal adaptation, sufficient mechanical strength and occlusal functions, providing a new strategy for restoring implant with limited interocclusal space. -
Key words:
- digital design /
- self-glazed zirconia /
- limited interocclusal space /
- implant restoration
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表 1 戴牙当日和30月随访内临床观测指标结果
观测指标 时间 结果 备注 种植体
存活率1~30月 98.18% 1例上颌窦内提后3个月发生种植体脱落 修复体
返工率当天 0% 修复当天未发生邻接丧失 修复体
并发症1~30月 2.2±0.1 未发生修复体 崩瓷及裂瓷 
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