From: Use of digital periodontal data to compare periodontal treatment outcomes in a practice-based research network (PBRN): a proof of concept
BOP (sites per tooth)
n
Mean PD (mm)
0
56,828
2.06 (1.54)
1
9957
3.03 (0.95)
2
8256
3.28 (1.03)
3
6621
3.34 (1.07)
4
5562
3.74 (1.13)
5
3122
4.00 (1.19)
6
5848
4.45 (1.42)