Risk Factor Analysis of Graft Failure With Concomitant Cyst Enucleation of the Jaw Bone: A Retrospective Multicenter Study

Ho Kyung Lim, Jin Woo Kim, Ui Lyong Lee, Ju Won Kim, Ho Lee

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Purpose Cysts are common pathologic entities in the oral and maxillofacial region. Enucleation is commonly used for treatment and is occasionally followed by bone grafting. However, no studies have evaluated factors affecting the failure of grafts used for cystic defects in the oral and maxillofacial region. Therefore, the present study was conducted to determine the risk factors for postoperative graft failure in patients treated with cyst enucleation and simultaneous bone grafting. Materials and Methods Clinical data for 305 patients who had undergone cyst enucleation with simultaneous bone grafting were retrospectively investigated in this multicenter case-and-control study. The predictor variables included host, pathologic, and treatment factors. The outcome variable was success or failure of the bone graft. Descriptive statistics were computed, and the P value was set at.05. Results Bone graft failure was observed in 48 cases. The mean duration from surgery to failure was 38.7 days. Multivariable logistic regression analysis showed a significant association between graft failure and younger age (odds ratio [OR] = 1.033; P =.016), smoking (OR = 2.598; P =.017), preoperative infection (OR = 4.660; P =.001), large cysts (OR = 1.052; P =.010), impaction of the mandibular third molar in the cystic cavity (OR = 3.021; P =.007), perilesional osteosclerosis (OR = 4.973; P =.001), and the use of mixed non-autogenous and autogenous bone grafts (OR = 3.891; P =.007). Conclusions This study provides a list of important factors that should be considered by clinicians planning enucleation and simultaneous bone grafting for cysts in the oral and maxillofacial region.

Original languageEnglish
Pages (from-to)1668-1678
Number of pages11
JournalJournal of Oral and Maxillofacial Surgery
Volume75
Issue number8
DOIs
StatePublished - Aug 2017

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