Risk factor analysis of bone resorption following secondary alveolar bone grafting using three-dimensional computed tomography

被引:29
作者
Oh, Tae Suk [1 ]
Park, Joo Seok [1 ]
Choi, Jong Woo [1 ]
Kwon, Soon Man [2 ]
Koh, Kyung S. [1 ]
机构
[1] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Plast & Reconstruct Surg, Poongnap2 Dong 388-1, Seoul 138736, South Korea
[2] Eastman Dent Clin, Seoul, South Korea
关键词
Alveolar bone grafting; Bone transplantation; Cone beam computed tomography; Three-dimensional image; UNILATERAL CLEFT-LIP; PALATE PATIENTS; ERUPTION; DEFECTS; CANINE;
D O I
10.1016/j.bjps.2015.11.002
中图分类号
R61 [外科手术学];
学科分类号
摘要
Background/Aim: The purpose of this study is to analyze the risk factors for bone resorption following secondary bone grafting in the alveolar cleft, using three-dimensional (3D) computed tomography (CT) based on surgical simulation software (SimPlant OMS, Materialise Dental, Leuven, Belgium). Methods: We reviewed the secondary alveolar bone grafts performed by a single surgeon between January 2005 and January 2014. A total of 40 patients with unilateral alveolar cleft were included in this study. The grafted alveolar bone was measured using surgical simulation software. In order to validate the measurement, each data set was measured by three different analysts and the inter- and intraobserver variabilities were calculated. A total of eight risk factors for grafted bone survival, including patient age, sex, body mass index (BMI), palatal fistula, amount of grafted bone, dental appliance, canine or incisor eruption, and preoperative upper respiratory tract infection, were evaluated using the linear mixed model and Mann-Whitney test. Results: The average alveolar defect size was 4.98 cc and the average graft survival was 67.5%. The inter-and intraobserver variabilities of simulation software were 0.758 and 0.915, respectively. Among the risk factors, only dental appliance (p = 0.02) and canine eruption (p = 0.041) were significantly correlated with graft survival. Other risk factors, including the amount of grafted bone, did not show a significant relationship with graft survival. Conclusion: Measurement of an alveolar bone defect using a simulation program based on 3D CT is reliable and reproducible. Secondary bone grafting survival was significantly correlated with canine eruption and dental appliance in the alveolar cleft. (C) 2015 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:487 / 492
页数:6
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