不同年龄组正畸患者腭骨不同部位皮质骨密度的测量

Abstract

Abstract: Abstract: Objective To measure palatine cortical bone densities of adolescent and adult patients to provide,and the reference for the clinical application of micro screw implant.Methods 30 cases of adolescent patients (mean age (13.2 ± 1.2) years),and 30 cases of adult patients (mean age (23.2 ± 4.9) years) were selected,among whom there were half men and half women.CBCT was taken respectively.Cortical bone density testing was performed on all patients and palatal bones were divided into 72 test areas.Results The density of the adults group ((736 ± 5)hu)was greater than that of the adolescents group ((613 ± 28)hu; P <0.01).Bone mineral density in male patients was greater than that in female patients in the same group.The lateral bone density in all patients was significantly less than that in the middle side of the bone (P <0.01).Conclusions The palatal bone density of adult group is significantly higher than that in adolescent group,palatal bone density in women is lower than that in men.

Key words: bone density, palate, CBCT

CLC Number:

R322.41

References

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Measurement of palatal cortical bone density in different parts of ossa palatinum among orthodontic patients of different ages 

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