الفهرس يوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Cervival is a continuous dynamic process that starts early in the fetal life and continuous until puberty, and all the systems of the body undergo the process of growth and maturation. One of these systems is the skeletal system .The vertebral column is one of the components of this system. the modifications in size and shape of the cervical vertebrae in growing subjects have gained increasing interest in the last decades as a biological indicator of individual skeletal maturity, this may be due to that the analysis of the cervical vertebral maturation can be performed on lateral cephalogram of the individual’s head which is a type of film used routinely in orthodontic diagnosis and this avoids an extra-radiation exposure for the patient The available informations about the dimensions of the cervical vertebrae are limited in children and young adults, so measurements of the vertebral dimensions are recommended as they will provide informations that will help in evaluation of skeletal maturity and in the detection of the onset of the pubertal spurt in mandibular growth and so the treatment timing of mandibular deficiencies. X-ray and CT are the most rapidly advancing computerized tomography scanning techniques of the imaging specialties in computer technology as CT provides excellent osseous details for measurement of. the width of the vertebral body and the spinal canal diameters in addition lateral plain x-ray of the cervical vertebrae changes with growth.
The aim of this work was to obtain a base line data about the radiological anatomy of the cervical vertebral dimensions including vertebral body height, depth, area , transverse diameter, in addition the
anteroposterior diameter of the cervical spinal canal was also measured for each of C3, C4, C5 and C6 cervical vertebrae while Ct. C2 and C7 cervical vertebrae were excluded as they are difficult to measure and so it can form a record for every school chi.\d. These measurements atso will hetp in early
prediction and diagnosis of different diseases that affect bony mass.l...atera\ plain X-ray and CT scans were done on individuals with no apparent neck pathology and the obtained films were also examined carefully by a radiologist to exclude any abnormal cervical vertebra. The selected cases aged from 6-24 years, they were classified into five groups each one included 24 persons (12 males and 12 females).