2009•PubMedRequires access

[Clinical stability of immediate load of domestic micro-titanium screws for anchorage in orthodontics].

Qing-zhong Zheng, Xing-qian Xie, Xue-mei Xie, Jian Wang, Xiaojia Yu

Abstract

PURPOSE: To investigate the immediate load stability of domestic micro-titanium screws for anchorage in orthodontics. METHODS: Adult orthodontic patients needing the greatest anchorage were included in the study. Domestic micro-titanium screws were used to be orthodontic anchorage, immediate implantation and loading were conducted. RESULTS: A total of 52 implants of domestic micro-titanium anchorage in 20 patients were used. Forty-seven implants were successful in 20 patients,5 failed. The total loading time was 3-8 months. CONCLUSIONS: Domestic micro-titanium implant screws for anchorage can meet the needs of clinical orthodontics. However, immediate loading results in 10.4% failure rate, especially for the implant with a diameter of 1.2mmx7mm. Supported by Science and Technology Development Foundation of Fengxian District, Shanghai Municipality (Grant No. 090602).

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Key concepts: Implant, Dentistry, Medicine, Titanium, Orthodontics, Materials science, Surgery, Metallurgy