Staging & grading a periodontitis case - step 1: screening for signs of periodontitis

[@chuyuanyeh8785]

Sir, can we assess clinical attachment loss at the first visit?
I think it should be clinical attachment level.
The loss should be the number between different timepoint.
Would you like share with us more insight knowledge?
Thank you so much.

[@world1923]

Difference between loss and level???