For most practitioners, the Basic Periodontal Examination (BPE) would be a familiar screening tool for entry into periodontal therapy. There is growing recognition, now reaffirmed by the 2017 World...

Since 1999, we have become used to the periodontal diseases classification system devised by Armitage.1 This defined periodontal diseases (but not, at that time, peri-implant diseases) into eight...