General article (BDJ 2011; 211: 379–385):

'See you in three months! The rationale for the three monthly periodontal recall interval: a risk based approach'

In the above general article, the caption for Figure 3 should have read: BOP is 9%, six residual pockets ≥5 mm, four teeth had been lost, the bone factor in relation to the age is 0.75 and there are genetic influences.