Analysis of postsurgical relapse patterns in one-jaw surgery: skeletal factors and clustering analysis in patients with mandibular setback

• 발행기관: 대한구강악안면외과학회
• 저자명: Jong-Wan Kim Nam-Ki Lee Pil-Young Yun Jong-Ho Lee Hye-Young Sim
• 간행물 정보: 『대한구강악안면외과학회지』제50권 제5호, 253~258쪽, 전체 6쪽
• 주제분류: 의약학 > 일반외과학
• 파일형태: PDF
• 발행일자: 2024.10.31

국문 초록

Objectives: To compare presurgical skeletal factors and postsurgical relapse patterns between more relapsed (MR) and less relapsed (LR) groups. Materials and Methods: This study retrospectively examined patients who underwent mandibular setback surgery, classifying them into two groups based on the amount of relapse of the pogonion using K-means analysis. Comparisons were conducted by analyzing cephalometric radiographs presurgically (T0), at 1-month post-surgery (T1), and immediately after orthodontic treatment (T2). Results: The MR group at T0 had a lower articular angle and AB to the mandibular plane angle (MPA), higher gonial angle, shorter anterior and posterior facial heights, and shorter Frankfort horizontal plane to the upper incisor and first molar. The articular angle in the MR group increased postoperatively. The Frankfort MPA (FMA) did not differ significantly between the MR and LR groups. Conclusion: Acute articular angle and short facial height with a high gonial angle in the presurgical stage can predict surgical relapse regardless of the FMA.

목차

Ⅰ. Introduction

Ⅱ. Materials and Methods

Ⅲ. Results

Ⅳ. Discussion

Ⅴ. Conclusion

ORCID

Authors’ Contributions

Funding

Conflict of Interest

References

키워드

Prognathism Orthognathic surgery Recurrence