Journal of the Korean Academy of Pediatric Dentistry 2008;35(2):367-375.
Published online May 31, 2008.
ORTHODONTIC TREATMENT WITH MINISCREWS IN MIXED DENTITION
Su-min Lim, Yeon-Mi Yang, Jae-Gon Kim, Byeong-Ju Baik, Yong-Hun Lee, Jeong-Geun Shin
Department of Pediatric Dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University 
Correspondence:  Yeon-Mi Yang,  Tel: 063-250-2121, 2223, Fax: 063-250-2131, Email: pedodent@chonbuk.ac.kr
Abstract
Anchorage plays an important role in orthodontic treatment. Skeletal anchorage like the miniscrew is considered a more effective method in anchorage control than conventional anchorage which needs much patient's cooperation. The miniscrew offers many advantages. 1) It is easy to insert and to remove. 2) It can endure the force needed for moving teeth. 3) It can be immediately loaded and 4) Patient cooperation is not needed. 5) It is economic compared to other skeletal anchorage systems. In comparison to adult's bones, children's bones have comparatively poor bone quality and quantity. Therefore, it is hard to obtain primary stability in younger patients. However, if the miniscrew can be retained successfully, it will be effective in many orthodontic treatments. In these cases, we used the miniscrew in correcting of diastema, in aligning dental midline, and in rendering a forced eruption of impacted tooth in mixed dentition patient. We obtained satisfactory results.
Key Words: Miniscrew, Anchorage, Skeletal anchorage system


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