Participants

Pyknotic cells

Karyorrhectic cells

Karyolytic cells

Not exposed

4.12 ± 1.44

3.46 ± 2.07

2.06 ± 1.32

Indirectly exposed

7.65 ± 2.65*

12.54 ± 3.66*

10.76 ± 3.12*

Directly exposed

34.54 ± 4.66*

27.76 ± 6.77*

19.76 ± 3.79*