Publication: Systematic review and meta-analysis: Mandibular plane change after orthognathic surgery and distraction osteogenesis in cleft lip and palate patients
Issued Date
2015-01-01
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13440241
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2-s2.0-84928925962
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Mahidol University
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SCOPUS
Bibliographic Citation
Orthodontic Waves. Vol.74, No.2 (2015), 27-36
Suggested Citation
Nita Viwattanatipa, Thosapol Puntien, Nuntinee Nanthavanich Systematic review and meta-analysis: Mandibular plane change after orthognathic surgery and distraction osteogenesis in cleft lip and palate patients. Orthodontic Waves. Vol.74, No.2 (2015), 27-36. doi:10.1016/j.odw.2015.01.002 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/35869
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Title
Systematic review and meta-analysis: Mandibular plane change after orthognathic surgery and distraction osteogenesis in cleft lip and palate patients
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Abstract
© 2015 Elsevier Ltd and the Japanese Orthodontic Society. Introduction: The aim was to examine treatment change and relapse of mandibular plane in three types of maxillary surgery for cleft patients; (1) conventional orthognathic surgery (CO), (2) extraoral distraction osteogenesis (EDO) and (3) intraoral distraction osteogenesis (IDO). Methods: 396 abstracts were retrieved from 6 electronic databases; Medline, Embase, Cochrane, ISI, Scopus, and Google Scholar. 138 vertical skeletal measurements of maxillary surgical cleft patients were screened from 141 full-text papers. Finally, only SN-MP at pre-treatment, post-treatment and 1-year follow-up, recruited from 12 articles, were eligible to be investigated by meta-analysis. Heterogeneity test and estimation of pooled means were performed. Difference of SN-MP of the three surgical techniques was examined by 95% confidence interval (CI). Results: SN-MP at pre-treatment, post-treatment, and follow-up in CO group were 37.8°, 39.9°, 38.5°, in EDO group were 35.1°, 37.5°, 36.8°, in IDO group were 34.2°, 38.2°, 34.6° respectively. All groups demonstrated clockwise rotation of mandible with the estimate change of 2.08°, 2.39° and 3.98° for CO, EDO and IDO respectively. All groups showed counter-clockwise rotation of mandible with the estimate amount of relapse at 1-year follow-up of -1.33°, -0.7°, -3.61° and relapse rate of -63.9%, -29.28% and -90.70% for CO, EDO and IDO respectively. Conclusions: SN-MP showed tendency to rotate clockwise in all three groups after surgery. At 1 year follow-up, the mandibular plane rotated counter-clockwise in all groups. The amount of relapse rate was largest in IDO group. SN-MP at 1 year follow-up in CO was greater than IDO.