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Craniofacial morphology and soft tissue profile outcomes for complete unilateral and complete bilateral cleft lip and palate in New Zealand
Author(s) -
Fowler Peter V.,
Wholley Chris,
Perry John G.,
Thompson John M. D.
Publication year - 2019
Publication title -
orthodontics and craniofacial research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.664
H-Index - 55
eISSN - 1601-6343
pISSN - 1601-6335
DOI - 10.1111/ocr.12294
Subject(s) - craniofacial , soft tissue , medicine , dentistry , cephalometric analysis , orthodontics , cephalometry , surgery , psychiatry
Structured Abstract Objective (a) To establish baseline lateral craniofacial morphology and soft tissue profile outcomes for New Zealand children with complete unilateral and complete bilateral cleft lip and palate ( CUCLP / CBCLP ) and determine differences in relation to demographic characteristics including cleft type, sex and ethnicity and (b) To compare these outcomes to similar international studies. Settings and Sample Population Nation‐wide prospective and retrospective cephalometric analysis of 76 patients with CUCLP and 23 patients with CBCLP pre‐secondary alveolar bone graft. Materials and Methods Assessment was undertaken by three experienced orthodontists blinded to patient identity. A total of 13 hard tissue and 8 soft tissue landmarks were identified allowing for an assessment of 16 angular, three linear and one ratio variables. Inter‐assessor reliability was determined by pre‐defined measurement error thresholds. Results Inter‐assessor reliability of cephalometric landmarks restricted reporting to 10 hard tissue, four soft tissue and one ratio variables. CUCLP had greater midface and mandibular retrusion than CBCLP . Females had greater midface and mandibular prominence and smaller nasal projections. The Pacific and Māori groups had more retrusive midfacial profiles, and the Pacific group had more prominent mandibles. A sub‐analysis of New Zealand European CUCLP results found they were closely aligned to Eurocleft and Americleft study centres with less favourable outcomes. Conclusions The reliability of a number of cephalometric measurements was poor. Lateral craniofacial morphology and soft tissue profile outcomes varied between CUCLP / CBCLP , sex and ethnicity. The New Zealand European outcomes are similar to or less favourable to other studies.

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