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- Title
Orthognathic surgery Deteriorates the osseointegration of dental implants: A propensity‐matched multicentre cohort study.
- Authors
Kim, Jin‐Woo; Lee, Ho; Lim, Ho‐Kyung; Kim, Ju‐Won; Byun, Soo‐Hwan; Choi, Young‐Jun; Lee, Ui‐Lyong
- Abstract
Summary: This study aimed to investigate the possible influence of the regional acceleratory phenomenon (RAP) on dental implant osseointegration. Orthognathic surgery was set as an intervention for RAP, and a multicentre cohort study of two groups was undertaken. Group O included patients with single implant placement at least 4 months after orthognathic surgery and functional loading for more than 1 year, while controls (Group C) were without any major surgery. Clinical and radiographic assessments of implants, including changes in marginal bone levels, were analysed at baseline, 6‐ and 12‐month follow‐up. Bivariate analysis of two groups with propensity score matching was performed. After propensity score matching, all 10 confounding variables had acceptable standardised difference scores (<20%), indicating that the matching procedure had efficiently balanced the two groups. Following the propensity score adjustment, the marginal bone loss was significantly higher in Group O than the control at 6 months (1.66 ± 1.05 mm vs 0.59 ± 0.64 mm, P < 0.001) and 12 months (2.30 ± 1.27 mm vs 0.82 ± 0.78 mm, P < 0.001). Compared to Group C, subjects in Group O had a higher incidence of peri‐implant mucositis and implantitis (11.8% vs 1.5%, P = 0.033). Impaired osseointegration of dental implants was associated with orthognathic surgery. Special considerations for peri‐implant soft and hard tissue stability should be addressed to obtain ideal treatment results and prognosis for patients who have had prior orthognathic surgery.
- Subjects
ORTHOGNATHIC surgery; OSSEOINTEGRATION; DENTAL implants; BONE resorption; DENTURE complications; MEDICAL cooperation; CORRECTIVE orthodontics; PERIODONTITIS; STOMATITIS; TREATMENT effectiveness; PERI-implantitis
- Publication
Journal of Oral Rehabilitation, 2018, Vol 45, Issue 12, p967
- ISSN
0305-182X
- Publication type
Article
- DOI
10.1111/joor.12705