title: The use of three-dimensional cephalometric references in dentoskeletal symmetry diagnosis.
abstract: OBJECTIVE
  The aim of this study is to assess dentoskeletal symmetry in cone-beam computed tomography (CBCT) scans of Brazilian individuals with Angle Class I malocclusion.
  
  
  METHODS
  A total of 47 patients (22 females and 25 males) aged between 11 and 16 years old (14 years) seen in a private radiology service (CIRO, Goiânia, GO, Brazil) were assessed. All CBCT scans were obtained from January, 2009 to December, 2010. Cephalometric measurements were taken by multiplanar reconstruction (axial, coronal and sagittal) using Vista Dent3DPro 2.0 (Dentsply GAC, New York, USA). Minimum, maximum, mean and standard deviation values were arranged in tables, and Student t-test was used to determine statistical significance (P < 0.05).
  
  
  RESULTS
  Data were homogeneous, and differences between the right and left sides were not significant.
  
  
  CONCLUSIONS
  Cephalometric measurements of Brazilian individuals with Angle Class I malocclusion can be used to establish facial symmetry and three-dimensional standard references which might be useful for orthodontic and surgical planning.
authors: Federal University of Goiás.
authors: Olavo Cesar Lyra
authors: OC
authors: Porto
authors: Department of Orthodontics, Brazilian Dental Association.
authors: Jairo Curado
authors: JC
authors: de Freitas
authors: Department of Endodontics, UFG.
authors: Ana Helena Gonçalves
authors: AH
authors: de Alencar
authors: Department of Endodontics, UFG.
authors: Carlos
authors: C
authors: Estrela
mesh_terms: D000293:Adolescent; D059925:Anatomic Landmarks / Q000000981:diagnostic imaging / Q000473:pathology; D002508:Cephalometry / Q000379:methods*; D002648:Child; D002680:Chin / Q000000981:diagnostic imaging / Q000473:pathology; D054893:Cone-Beam Computed Tomography / Q000379:methods; D004424:Ear Canal / Q000000981:diagnostic imaging / Q000473:pathology; D005145:Face / Q000000981:diagnostic imaging / Q000473:pathology; D005146:Facial Asymmetry / Q000000981:diagnostic imaging / Q000473:pathology; D005147:Facial Bones / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008297:Male; D008311:Malocclusion, Angle Class I / Q000000981:diagnostic imaging / Q000473:pathology*; D008334:Mandible / Q000000981:diagnostic imaging / Q000473:pathology; D008335:Mandibular Condyle / Q000000981:diagnostic imaging / Q000473:pathology; D008437:Maxilla / Q000000981:diagnostic imaging / Q000473:pathology; D008963:Molar / Q000000981:diagnostic imaging / Q000473:pathology; D009295:Nasal Bone / Q000000981:diagnostic imaging / Q000473:pathology; D009915:Orbit / Q000000981:diagnostic imaging / Q000473:pathology; D010781:Photography / Q000379:methods
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