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学科主题口腔医学
Microscrew anchorage in skeletal anterior open-bite treatment
Xun, Chunlei1; Zeng, Xianglong1; Wang, Xing1
关键词Orthodontic Anchorage Microscrew Anchorage
刊名ANGLE ORTHODONTIST
2007
DOI10.2319/010906-14
77期:1页:47-56
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Dentistry, Oral Surgery & Medicine
研究领域[WOS]Dentistry, Oral Surgery & Medicine
关键词[WOS]MULTILOOP EDGEWISE ARCHWIRE ; CEPHALOMETRIC EVALUATION ; ABSOLUTE ANCHORAGE ; MOLARS ; MAGNETS ; SYSTEM
英文摘要

Objective: To evaluate the effectiveness of miniscrew anchorage for intrusion of the posterior dentoalveolar region to correct skeletal open bite.

Materials and Methods: The study was comprised of 12 patients (aged 14.3 to 27.2 years; mean 18.7 years) with anterior open bites. All the patients presented a Class 11 skeletal pattern and excessive posterior growth. Self-drilling miniscrew implants were inserted into the posterior mid-palatal area and the buccal alveolar bone between the lower molars. A transpalatal and a lingual arch were used to maintain the molars on each side in order to avoid overrotation during intrusion. A force of 150 g was applied to the microscrews on each side to intrude the posterior teeth. Lateral cephalograms of all 12 patients were taken preintrusion and immediately after completion of the intrusion. The cephalometric films were measured and compared.

Results: The results showed that the anterior open bites in 12 patients were all corrected in a mean of 6.8 months. Overbite increased by a mean of 4.2 mm (P <.001), from -2.2 mm in preintrusion to 2.0 mm in postintrusion. The maxillary and mandibular first molars were intruded for an average of 1.8 mm (P <.001) and 1.2 mm (P <.001), respectively. The mandibular plane angle was reduced by 2.3 degrees (P <.001), which led to a counterclockwise rotation of the mandible with a significant decrease in the anterior facial heights (mean of 1.8 mm; P <.001).

Conclusion: Miniscrew anchorage has the advantages of being a simpler procedure, being minimally invasive, and requiring minimal patient cooperation.

语种英语
WOS记录号WOS:000243451000008
引用统计
被引频次:63[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/51652
专题北京大学口腔医学院_牙周科
北京大学临床肿瘤学院_乳腺癌预防治疗中心
作者单位1.Peking Univ, Sch Hosp Stomatol, Dept Orthodont, Beijing 100081, Peoples R China
2.Peking Univ, Sch Hosp Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714
Xun, Chunlei,Zeng, Xianglong,Wang, Xing. Microscrew anchorage in skeletal anterior open-bite treatment[J]. ANGLE ORTHODONTIST,2007,77(1):47-56.
APA Xun, Chunlei,Zeng, Xianglong,&Wang, Xing.(2007).Microscrew anchorage in skeletal anterior open-bite treatment.ANGLE ORTHODONTIST,77(1),47-56.
MLA Xun, Chunlei,et al."Microscrew anchorage in skeletal anterior open-bite treatment".ANGLE ORTHODONTIST 77.1(2007):47-56.
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