Studying the changes in the rate of formation micronuclei that are affected by exposure to dental x-rays

Abstract

- The confirms IAEA It is necessary to use cytogenetic analysis, which is one of the
best modern standards used in biological standardization to estimate the genetic damage caused
by dental x-rays for workers. Radiographic examination is one of the principal diagnostic
methods used in all fields of medical and dental services. The current research aimed to use
cytogenetic indicator in blood lymphocytes of a sample of dental X-ray diagnostic workers in
Al-Zahraa and Al-Karama Teaching Hospital as well as from Taiba Specialized Center in addition to dental clinics in Wasit. The study included (60) blood samples, (40) exposed , ( 33)
males and (7) females, and the control group was (20) blood samples for healthy non-exposed
subjects for comparison. The rate of micronuclei was used in this study of the changes in the
rate of formation of micronucleus in the mitotic phase for workers in the field of dental x-ray
diagnostics and the diagnosis of those changes resulting from continuous exposure to radiation.
It was found through the study that there were significant differences between the four exposure
groups. as was noted that there were no slight significant differences in the rate of small nuclei
for age between the fourth groups as well as control group (mean
±SD)(0.03±0.001),(0.01±0.002),(0.034±0.001),(0.04±0.001) at level (p<0.05) (0.5),(
0.98),(0.83),(0.36), As for the gender (male, female) there are significant statistically significant
differences between first and third groups except for the second and fourth group (6-10)
years,(16-20<) year at level ( p<0.05)(0.08),(0.1 0)