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目的:总结骨钉矫治牙颌三维异常的临床应用效果。方法:选择2006年以来矫治的21例三维异常的严重错畸形病例,男8例,女13例,年龄15～35岁,平均20.6岁。均采用直丝弓矫治器治疗,均涉及减数第二或第三磨牙,应用骨钉针对长、宽、高不调予以矫治。结果:矫治后全部病例的三维异常均有明显改善,均建立了正常的覆覆盖关系及磨牙、尖牙中性关系。矫治期最短14个月,最长36个月,平均24个月。结论:充分了解各区域骨钉的作用,针对病因选择骨钉并合理配伍使用,必将使之成为矫治各种复杂错畸形的有力武器。
OBJECTIVE: To summarize the clinical effect of three-dimensional abnormalities of the dentures treated with bone nail. Methods: Twenty-one cases of severe malocclusion with three-dimensional abnormalities treated since 2006 were selected. There were 8 males and 13 females, aged from 15 to 35 years (average 20.6 years). Straight wire appliance were used for treatment, all involving the second or third molar, the application of bone nail for long, wide, high and not to be corrected. Results: Three-dimensional abnormalities of all the cases were significantly improved after treatment, both of which established normal coverage of moxibustion and the relationship between molars and canines. The shortest correction period of 14 months, up to 36 months, an average of 24 months. CONCLUSION: To fully understand the role of bone nail in various regions and to select suitable bone nail for the cause and to use it in a reasonable way will surely make it a powerful weapon for correcting various complicated malocclusion deformities.