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Paper Information

Journal:   JOURNAL OF DENTAL MEDICINE   2003 , Volume 16 , Number 1 (34); Page(s) 35 To 45.
 
Paper: 

A COMPARISON BETWEEN TWO LATERAL CEPHALOMETRY TECHNIQUES (STANDARD AND NATURAL HEAD POSITION)

 
 
Author(s):  HEDAYATI Z., SANG S.
 
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Abstract: 

Statement of problem: Cephalometric findings are of high importance in making decision about orthodontic treatment plans and orthognathic surgeries. Natural head position (NHP) is considered as a useful and exact radiographic technique.
Aim: The aim of the present study was to compare two techniques, namely Standard and NHP, in lateral cephalometry.
Materials and Methods: In this cross- sectional study, performed in Shiraz. 138 randomly selected students (70 males and 68 females), age ranging (from (13-15), were evaluated clinically and radiographically. None of them had a history of orthodontic treatment, head and face fracture or surgical operations. Lateral cephalograms were taken in both standard and natural head position techniques, for each student. For statistical analysis, t-test for paired samples, was done.
Results: This study showed that in anterior-posterior dimension, among angles with significant differences in two techniques, those of standard one were more reliable. Whereas in vertical dimension, statistical differences showed natural technique as more useful one.
Conclusion: Due to the fact that natural cephalometry requires more patient cooperation, more time and a higher complex technique. It is not suggested, except when different clinical and cephotometric findings are observed.

 
Keyword(s): LATERAL CEPHALOMETRY, STANDARD CEPHALOMETRY, NATURAL CEPHALOMETRY
 
References: 
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