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- Title
Assessment of cephalometric analyses used for craniofacial complex evaluation: Part I - Sagittal maxillary position.
- Authors
Ioannidou-Marathiotou, Ioulia; Papadopoulos, Moschos A.
- Abstract
AIM: Aim of this study was to qualitatively determine the sagittal maxillary position relative to the anterior cranial base in a sample of Greek population with occlusal problems, in relation to reference values of seven cephalometric analyses of international and related Greek data. STUDY DESIGN: Retrospective study. TIME AND PLACE OF STUDY:1999-2002, Department of Orthodontics, Aristotle University of Thessaloniki. MATERIALS AND METHODS: Seventy two initial lateral cephalometric radiographs of patients (36 boys, 36 girls) aged from 8 to 16 years (mean age 12.5 years) were first traced and then digitized and analyzed using the Viewbox 2.5 cephalometric software after appropriate modification. Statistical analysis was performed by means of the SPSS 10.0 software and included descriptive statistics, Spearmanos rho test, Cluster analysis and rosstabulation tables. The level of significance was set at P<0.05 for all analyses. The whole procedure was repeated after 4 weeks using 40 randomly selected cephalometric radiographs in order to evaluate the error of the method. The latter was performed using the paired t-test and the kappa measure of agreement. INTERVENTIONS: Patients from the Clinic of the Postgraduate Program in Orthodontics of the Aristotle University of Thessaloniki. MAIN MEASUREMENTS: Five cephalometric points and 8 cephalometric variables. RESULTS: Differences existed: (a) in the qualitative determination of sagittal maxillary position among the selected cephalometric analyses, (b) among cephalometric analyses using different as well as the same reference planes, (c) in maxillary position, which appears to be more anterior when the Frankfort Horizontal (FH) is used as reference plane, and more posterior when the anterior cranial base plane (SN) is used. CONCLUSIONS: The inconsistent results observed after qualitative assessment of sagittal maxillary position among the cephalometric variables assessed in this study seem to occur due to the differences in the range of the reference mean values and standard deviations proposed by the various authors as the "norm".
- Subjects
THESSALONIKE (Greece); ORTHODONTICS; SKULL base; MAXILLA; RADIOGRAPHY; CLUSTER analysis (Statistics); SURFACE plates; GREEKS; COMPUTER software
- Publication
Hellenic Orthodontic Review, 2005, Vol 8, Issue 1, p15
- ISSN
1108-1279
- Publication type
Article