2009•Chinese Journal of Oral ImplantologyRequires access

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

YU Xiao-ji

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 microtitanium 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 1.2mm ×7mm.

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