|
Pocket depth (PD) < 3 mm, no plaque or bleeding
|
No therapy
|
A
|
PD < 3 mm, plaque and/or bleeding on probing
|
Mechanically cleaning, polishing, oral hygienic instructions
|
B
|
PD 4-5 mm, radiologically no bone loss
|
Mechanically cleaning, polishing, oral hygienic instructions plus local antiinfective therapy (e.g. CHX)
|
C
|
PD > 5 mm, radiologically bone loss < 2 mm
|
Mechanically cleaning, polishing, microbiological test, local and systemic antiinfective therapy
|
D |
PD > 5 mm, radiologically bone loss > 2 mm |
Resective or regenerative surgery |