Cephalometric evaluation in lateral norm between skeletal Class I and II individuals with the bone maturation of the cervical vertebraes

Alexandre Medeiros VIEIRA, Rodrigo Generoso CARLOS, Anderson Vieira de PAULA, José Roberto Santos BOTHREL, Mônica Costa ARMOND, Adair RIBEIRO

Aim: to discover the existence of differences in the maxilla length ( Co-A) among individuals of the male and female genres, leucoderms, presenting skeletal Class I and Class II, in the age group from seven to thirteen years, presenting the same phases of maturation of the cervical vertebraes respectively. Methods: the sample was formed by 160 radiographics lateral cefalometrics of individuals without previous orthodontic or orthopedic facial treatment. Results: the results showed no statistical significant differences between the individuals with skeletal Class I and Class II, nor among the male and female genres. Just the variation of the Co-A measure in the phase 1 (initiation) of maturation of the cervical vertebraes was statistical smaller than the other phases (2, 3 and 4) in the two studied groups. Conclusions: with that, we concluded that so much individuals presenting skeletal Class I as Class II, of the male and female genres, they present similar maxilla length, not having influence of the phases of bone maturation of the cervical vertebraes.

Keywords: Maxillary length. Skeletal Class II. Bone age. Cervical vertebraes.

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