Popis: |
The aim of this study is a comparison between bone age, chronologic age and dental age, with the purpose of to obtain a guideline for the choice of the treatment time more convenient. Were analyzed 140 patients both genre, in the age group from 7 to 13 year. For the determination of the bone age those same patients were submitted to radiographic exam of the metacarpophalangeal joint of the first finger of the left hand using radiographic oclusal film, for the technique of the long cone (40 cm), with time of exhibition of 0,9 seconds, for the evaluation of the development of the sesamoid adutor bone. The conclusions of this study were that the radiographic method used is a easy application, mainly in cities that do not have radiological centers. The ossification of sesamoid adutor bone can be utilized as an indicator of the beginning of Pubertal Growth Spurt (PGS), being more precocious in the individuals of feminine gender; the dental pattern is variable than for bone age than for chronologic age in both genres. |