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Journal of the Korean Association of Oral and Maxillofacial Surgeons v.38 no.2, 2012년, pp.96 - 100  
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Observation of trabecular changes of the mandible after orthognathic surgery using fractal analysis

Kang, Hyeon-Ju    (Department of Orthodontics, School of Dentistry, Pusan National University   ); Jeong, Song-Wha    (Department of Oral and Maxillofacial Radiology, School of Dentistry, Pusan National University   ); Jo, Bong-Hye    (Department of Oral and Maxillofacial Radiology, School of Dentistry, Pusan National University   ); Kim, Yong-Deok    (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University   ); Kim, Seong-Sik    (Department of Orthodontics, School of Dentistry, Pusan National University  );
  • 초록

    Objectives: This study sought to evaluate trabecular changes in the mandible using fractal analysis and to explain the transient osteopenia related to rapid orthodontic tooth movement after orthognathic surgery. Materials and Methods: Panoramic radiographs were taken of 26 patients who underwent bilateral sagittal split ramus osteotomy. Radiographs taken before the surgery and 1 month after surgery were overlapped, and $40{\times}40$ pixel square regions of interest were selected near the mandibular canines and 1st molars. After the image processing procedure, the fractal dimension was calculated using the box-counting method. Results: Fractal dimension after orthognathic surgery decreased in a statistically significant manner (P


  • 주제어

    Tooth movement .   Orthognathic surgery .   Metabolic bone diseases .   Regional acceleratory phenomenon .   Fractals.  

  • 참고문헌 (24)

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